Kali Linux - Password Cracking Tool - GeeksforGeeks

Software Archives - Kali Software Crack

Software Archives - Kali Software Crack

Files and folders in the sidebar will now display badges to indicate Git dpi_scale is now Linux-only; Linux: Added workaround for a display driver issue. rcrack. rainbowcrack. 3. Burp Suite. Burp Suite is one of the most popular web application security testing software. It is used as a proxy. Also in need is an advance Linux/Unix Environment knowledge just to get started in the field of Ethical Hacking. Kali Linux comes with tons of pre-installed.

Software Archives - Kali Software Crack - opinion you

How To: The Hacks Behind Cracking, Part 1: How to Bypass Software Registration

If you've ever wondered how software pirates can take software and crack it time and time again, even with security in place, this small series is for you. Even with today's most advanced methods of defeating piracy in place, it is still relatively easy to crack almost any program in the world. This is mainly due to computer processes' ability to be completely manipulated by an assembly debugger. Using this, you can completely bypass the registration process by making it skip the application's key code verification process without using a valid key. This works because assembly allows you to speak directly to the processor and force a skip over the registration process.

In this Null Byte, let's go over how cracking could work in practice by looking at an example program (a program that serves no purpose other than for me to hack). I will not be walking you through how to actually crack a legitimate program, because I can't just crack a program for demonstration, but the techniques applied to my examples should give you the foundation needed to create your own. At that point, it's a test of your morals if you want to use your knowledge for good or bad.


  • Windows (for examples only, debuggers exist across platforms)
  • A debugger installed: IDA, ollydbg, etc. (ollydbg will be used in examples)

Step 1 Test the Program

First, run the program that you are attempting to reverse engineer and try to activate it with a random key to verify that you need a valid software key to proceed. This is to verify that we can come up with the keys.

Step 2 Run the Program in a Debugger

  1. Run ollydbg.
  2. Open up the program you wish to bypass with ollydbg.
  3. Click the play button to run the program with the debugger attached.
  4. Right click the CPU window, and click Search For > All intermodular calls.
  5. Search for high interest DLLs. GETDLGITEMTEXT, will be for dialog boxes, which get called when you try to enter a software key. By stepping into the function with the debugger, we can examine the registration specifically. SENDDLGITEM could be used as well.
  6. Test to see which one works to break out of the activation loop by right clicking the DLL call and setting a breakpoint for all instances of that call.The Hacks Behind Cracking, Part 1: How to Bypass Software Registration
  7. Resume the program and enter any software key you feel like. If the debugger breaks (pauses the program's execution) after entering your key, then you know you found DLL in step 5.
  8. Press F8 back in the CPU window to force the next step until you get to the TEST EAX. EAX is the return of a value, which means that a check is being performed here. Upon examination, we can see that the EAX is checking for a number that is not equal to a null value. This means that if it is replaced with anything other than null, it will run.The Hacks Behind Cracking, Part 1: How to Bypass Software Registration
  9. Right-click the EAX and change it in hex value to 1, instead of 0.
  10. Resume the program again, and you will have successfully activated the program.The Hacks Behind Cracking, Part 1: How to Bypass Software RegistrationAnd for proof it was registered to me:The Hacks Behind Cracking, Part 1: How to Bypass Software Registration

This works because you are making the process jump from one register and skip the one that verifies the key entered. To exploit the key registration algorithm, keep an eye out for part two of this tutorial on making the key generator. Hooray for assembly!

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Источник: [shoppingdowntown.us]

Top 25 Best Kali Linux Tools For Beginners

Becoming an Ethical Hacker is not quite as easy as to become a software developer, or programmer. An Ethical Hacker a.k.a Penetration Tester has to have a good understanding about various fields. Not just merely having in-depth programming languages in C, C++, Python, PHP, etc. Also in need is an advance Linux/Unix Environment knowledge just to get started in the field of Ethical Hacking.

Kali Linux comes with tons of pre-installed penetration testing tools, around about tools included. As a beginner penetration tester, it sounds horrible. How could one learn or use all of those tools as a beginner? The truth is, you don’t need to master all of those, indeed, there are a lot of tools built into Kali Linux which have the same concept and purpose. But, among them, there are always the best. In this article I will cover the Top 25 Best Kali Linux tools for the beginner Penetration Tester. But if you’ve just installed Kali Linux, before you read further to this, i recommend you read here it is a good jump start into Kali.

The top 25 best Kali Linux tools I listed below, are based on functionality and also, its sequence in the Penetration Testing Cycle or procedure. If you have already followed along my earlier article in the Penetration Testing Cycle section, there are basically four procedures: Reconnaissance, Scanning, Exploitation and Post-Exploitation. Here I listed bottom to top best 25 Kali Linux tools, starting from Anonymity.


During penetration testing, it is crucial to prepare to stay anonymous. Don’t fool yourself by revealing your own identity while hacking, cover it!


There are several reasons changing the MAC address is important, I use MacChanger while pentesting a wireless network with MAC filtering enabled and have to assign an approved MAC address to the wireless adapter. Or just literally to change to a random MAC while pentesting. To use MacChanger, follow this command pattern:

~$ macchanger [options] networkDevice The options are: -h, --help Print this help -V, --version Print version and exit -s, --show Print the MAC address and exit -e, --ending Don't change the vendor bytes -a, --another Set random vendor MAC of the same kind -A Set random vendor MAC of any kind -p, --permanent Reset to original, permanent hardware MAC -r, --random Set fully random MAC -l, --list[=keyword] Print known vendors -b, --bia Pretend to be a burned-in-address -m, --mac=XX:XX:XX:XX:XX:XX --mac XX:XX:XX:XX:XX:XX Set the MAC XX:XX:XX:XX:XX:XX

For example, i use my WLAN1 device to connect to the network, to change the default WLAN1 MAC address fully random, i type the command:

~$ macchanger -r wlan1


Proxychains cover and handle whatever job. Add command “proxychains” for every job, that means we enable Proxychains service. For example i want to trigger ProxyChain to cover NMAP. The command is:

~$ proxychains nmap -v -T4

But, before you use ProxyChains, you need to configure it first, adding proxy IP and other things, see full tutorial about ProxyChains here: shoppingdowntown.us



Traceroute is a computer network diagnostic tool for displaying the connection route and measuring transit delays of packets across an IP network.


WhatWeb is a website fingerprint utility. It identifies websites including content management systems (CMS), blogging platforms, statistic/analytic packages, JavaScript libraries, web servers, and embedded devices. WhatWeb has over plugins, each to recognize something different. WhatWeb also identifies version numbers, email addresses, account IDs, web framework modules, SQL errors, and more.


WHOIS is a database managed by local internet registrars, it is a query and response protocol that is widely used for querying databases that store the registered users of an Internet resource, such as a domain name or an IP address block, but is also used for a wider range of other personal information about the domain owner.

Maltegoce (Maltego Community Edition)

Maltegoce is an intelligence gathering tool which aims to discover and collect data about the target (company or personal) and visualizes that collected data into graph for analysis. Before we are using maltegoce, first register an maltego community edition here : shoppingdowntown.us

Once your done registering, now open the terminal and type “maltegoce”. wait a brief moment for it to startup. After it finishes loading, you will be greeted by a screen asking you to login to Maltego Community Edition.

Sign in with the account you’ve just registered. After you are logged in you need to decide what type of “machine” is needed to run against the target.

  • Company Stalker (gathers reconnaisance)
  • Footprint L1 (basic reconnaisance)
  • Footprint L2 (moderate amount of reconnaisance)
  • Footprint L3 (intense and the most complete reconnaisance)

Let’s choose L3 footprint.

Enter the target domain name.

The result should look like that, it display whatever found, and visualize it in graph.


Network Mapper (NMap) is a tool used for network discovery and security auditing. My favorite option in NMAP is “&#;script vuln” it tells NMAP to audit the security of each open port on target using NSE. For example:

~$ nmap shoppingdowntown.us --script vuln

To view full list of NMAP features, see the help page instead.

~$ nmap --help

Dirbuster / Dirb

Dirb is a tool to find hidden objects, files and directories on a website. Dirb works by launching a dictionary based attack against a web server and analyzing the response. DIRB comes with a set of preconfigured wordlists, located under /usr/share/dirb/wordlists/. To launch dirb, use the following command pattern:

~$ dirb [TARGET] [WORDLISTS_FILE] ~$ dirb shoppingdowntown.us /usr/share/dirb/wordlists/vulns/shoppingdowntown.us



Nikto is webserver and web application assessment tool to find potential security issues and vulnerabilities. Nikto scans for potentially dangerous files/programs. To run Nikto, type following command:

~$ nikto -h [hostname or IP address]



SQLiv is a simple and massive SQL injection vulnerability scanner. SQLiv is not installed by default in Kali Linux. To install it, run the following commands:

~$ git clone shoppingdowntown.us ~$ cd sqliv && sudo python2 shoppingdowntown.us -i

Once installed, just type in the terminal:

~$ sqliv -t [TARGET_URL]


Burp Suite is a  collection of tools bundled into a single suite which performs security testing of web applications, from initial mapping and analysis of an application’s attack surface, through to finding and exploiting security vulnerabilities. The main features of Burpsuite is that it can function as an intercepting proxy (see image below). Burpsuite intercepts the traffic between a web browser and the web server.

To open burpsuite, type “burpsuite” into the terminal.


OWASP ZAP is a Java-based tool for testing web app security. It has an intuitive GUI and powerful features to do such things as fuzzing, scripting, spidering, proxying and attacking web apps. It is also extensible through a number of plugins. In this way, it is an all-in-one web app testing tool.

To open OWASP ZAP, type “owasp-zap” into the terminal.


Httrack is a website / webpage cloner, from a penetration testing perspective, it is mainly used to create a fake website, or phising in attacker server. Run httrack wizard by typing in the terminal :

~$ httrack

You will be prompted, some configuration needed with guidance. Such as, Project name, Base path of the project, set the  URL target and the proxy configuration.

JoomScan & WPScan

JoomScan is a Web application analysis tool to scan and analyze Joomla CMS, while WPScan is a WordPress CMS vulnerability scanner. To check what CMS is installed on a target website, you can use either ONLINE CMS Scanner, or using additional tools, “CMSMap”. (shoppingdowntown.us). Once you know the target CMS, whether it is Joomla or WordPress, then you can decide to  use JoomsScan or WPScan.
Run JoomScan:

~$ joomscan -u shoppingdowntown.us

Run WPScan:

~$ wpscan -u shoppingdowntown.us



SQLMAP automates the process of detecting and exploiting SQL injection vulnerabilities and taking over databases. To use SQLMap, you need to find a website URL which is SQL injection vulnerable, you can find it by either using SQLiv (see list number) or using Google dork. Once you’ve got the vulnerable SQL injection URL, then open the terminal and run the following command pattern:

  1. Acquire databases list~$ sqlmap -u "[VULN SQLI URL]" --dbs
  2. Acquire tables list~$ sqlmap -u "[VULN SQLI URL]" -D [DATABASE_NAME] --tables
  3. Acquire columns list~$ sqlmap -u "[VULN SQLI URL]" -D [DATABASE_NAME] -T [TABLE_NAME] --columns
  4. Acquire the data~$ sqlmap -u "[VULN SQLI URL]" -D [DATABASE_NAME] -T [TABLE_NAME] -C [COLUMN_NAME] --dump

For example, let’s say we have vulnerable SQL injection, it is shoppingdowntown.us?id= And we’ve already acquired the databases, tables and columns. If we want to acquire the data, then the command is:

~$ sqlmap -u "shoppingdowntown.us?id=13" -D vulnsiteDb -T vulnsiteTable -C vulnsiteUser --dump

Mostly, the data is encrypted, we need another tool to decrypt it. Below is another procedure to get the clear text password.


Hash-Identifier and findmyhash

Hash-identifier is a tool to identify the different types of hashes used to encrypt data and especially passwords. Findmyhash is a tool to crack encrypted passwords or data using online services. For example we got encrypted data:  f6bcddcade4eb4f6. First thing you are going to need to do is identify the hash type. To do that, launch “hash-identifier” in terminal, and input the hash value on it.

Hash-identifier detected this decrypted data is using hash algorithm MD5. After its hash type is known, then we use another tool, findmyhash to crack the data. Now, type in the terminal:

~$ findmyhash MD5 -h f6bcddcade4eb4f6

The result would be like this:

9. Crunch

Crunch is a utility to create custom wordlists, where you can specify a standard character set or a character set you specify. crunch can generate all possible combinations and permutations.

The basic syntax for crunch looks like this:

~$ crunch <min> max<max> <characterset> -t <pattern> -o <output filename>

Now, let&#;s go over what&#;s included in the syntax above.

    • min = The minimum password length.
    • max = The maximum password length.
    • characterset = The character set to be used in generating the passwords.
    • -t <pattern> = The specified pattern of the generated passwords. For instance, if you knew that the target&#;s birthday was (February 31st) and you suspected they used their birthday in their password, you could generate a password list that ended with by giving crunch the pattern @@@@@@@ This word generate passwords up to 11 characters (7 variable and 4 fixed) long that all ended with
    • -o <outputfile> = save the wordlist into a file name given.


John The Ripper is one of the most popular password testing and cracking programs as it combines a number of password crackers into one package, auto-detects password hash types, and includes a customization cracker. In Linux, “passwd” file located at /etc/passwd contains all user information. hash SHA encrypted password of each of the users found is stored in /etc/shadow file.


Hydra is the fastest network login cracker which supports numerous attack protocols. THC Hydra supports these protocols: Cisco AAA, Cisco auth, Cisco enable, CVS, FTP, HTTP(S)-FORM-GET, HTTP(S)-FORM-POST, HTTP(S)-GET, HTTP(S)-HEAD, HTTP-Proxy, ICQ, IMAP, IRC, LDAP, MS-SQL, MySQL, NNTP, Oracle Listener, Oracle SID, PC-Anywhere, PC-NFS, POP3, PostgreSQL, RDP, Rexec, Rlogin, Rsh, SIP, SMB(NT), SMTP, SMTP Enum, SNMP v1+v2+v3, SOCKS5, SSH (v1 and v2), SSHKEY, Subversion, Teamspeak (TS2), Telnet, VMware-Auth, VNC and XMPP.

For more depth and detail tutorial about hydra visit my previous article titled Crack Web Based Login Page With Hydra in Kali Linux (shoppingdowntown.us)


6. Aircrack-NG Suite

Aircrack-ng is a network software suite consisting of a scanner, packet sniffer, WEP and WPA/WPA2-PSK cracker and analysis tool for wireless LANs. Aircrack-NG suite, includes:

  • aircrack-ng Cracks WEP keys using the Fluhrer, Mantin and Shamir attack (FMS) attack, PTW attack, and dictionary attacks, and WPA/WPA2-PSK using dictionary attacks.
  • airdecap-ng Decrypts WEP or WPA encrypted capture files with known key.
  • airmon-ng Placing different cards in monitor mode.
  • aireplay-ng Packet injector (Linux, and Windows with CommView drivers).
  • airodump-ng Packet sniffer: Places air traffic into pcap or IVS files and shows information about networks.
  • airtun-ng Virtual tunnel interface creator.
  • packetforge-ng Create encrypted packets for injection.
  • ivstools Tools to merge and convert.
  • airbase-ng Incorporates techniques for attacking client, as opposed to Access Points.
  • airdecloak-ng Removes WEP cloaking from pcap files.
  • airolib-ng Stores and manages ESSID and password lists and compute Pairwise Master Keys.
  • airserv-ng Allows to access the wireless card from other computers.
  • buddy-ng The helper server for easside-ng, run on a remote computer.
  • easside-ng A tool for communicating to an access point, without the WEP key.
  • tkiptun-ng WPA/TKIP attack.
  • wesside-ng Automatic tool for recovering wep key.

5. Fluxion

Fluxion is my favorite Evil Twin Attack tool. fluxion doesn&#;t perform bruteforce attack to break the key. Fluxion creates a open twin AP of the target (Wi-Fi) network. When someone tries to connect to that network a fake authentication page pops up asking for key. When victim enters the key, fluxion captures that key and checks whether the key is a valid password by matching the key and the handshake. To install Fluxion, run the following commands:

~$ git clone --recursive shoppingdowntown.us ~$ cd fluxion

Open the fluxion wizard by typing:

~$ ./shoppingdowntown.us

When first run, fluxion does dependency checking, and installs them automatically. After that go a long with the fluxion wizard instructions.

4. Social Engineering Toolkit (SET)

The Social-Engineer Toolkit is an open-source penetration testing framework designed for Social-Engineering. SET has a number of custom attack vectors such as phishing, spear-phishing, malicious USB, mass mail, etc. This toolkit is a free product by shoppingdowntown.us To start using SET, type in terminal “seetolkit”.


Metasploit Framework initially was intended to be a maintainable framework which automates the process of exploiting rather than manually verifying it. Metasploit is a popular framework through history, it has rich modules aimed at a variety of targets such as Unix, BSD, Apple, Windows, Android, WebServers, etc. Below, is an example usage of metasploit, exploiting Windows OS using popular NSA Exploit EternalBlue and DoublePulsar.

Video Hacking Windows using EternalBlue on MetaSploit


2. WireShark

Wireshark is a very popular network analyzer tool that&#;s most widely used in network security auditing. Wireshark uses display filters for general packet filtering. Here are some useful filters, including filters to grab captured password.

  • Show only SMTP (port 25) and ICMP traffic:
    port eq 25 or icmp
  • Show only traffic in the LAN (x.x), between workstations and servers &#; no Internet:
    src==/16 and shoppingdowntown.us==/16
  • TCP buffer full &#; Source is instructing Destination to stop sending data:
    window_size == 0 && shoppingdowntown.us != 1
  • Match HTTP requests where the last characters in the uri are the characters &#;gl=se&#;
    shoppingdowntown.us matches &#;gl=se$&#;
  • Filter against particular IP
    addr ==
  • Display POST request method, mostly containing user password:
    shoppingdowntown.us == &#;POST&#;

To run Wireshark, just type “wireshark” in the terminal. It will open up a graphical user interface. First, it will ask you to set the network interface that will be used.

1. Bettercap

BetterCAP is a powerful and portable utility to perform various types of MITM attacks against a network, manipulate HTTP, HTTPS and TCP traffic in realtime, sniff for credentials and much more. BetterCAP is similar in concept as ettercap, but, in my experience comparing both features, Bettercap WON.

Bettercap is able to defeat SSL/TLS, HSTS, HSTS Preloaded. It uses SSLstrip+ and DNS server (dns2proxy) to implement partial HSTS bypass. The SSL/TLS connections are terminated. However, the downstream connection between client and attacker does not use SSL/TLS encryption and remains decrypted.

The partial HSTS bypass redirects the client from the domain name of the visited web host to a fake domain name by sending HTTP redirection request. The client is then redirected to a domain name with extra ‘w’ in www or web. in the domain name e.g. shoppingdowntown.us This way the web host is not considered as a member of HSTS preloaded hosts list and the client can access the web host without SSL/TLS. The fake domain names are then resolved to real and correct IP addresses by the special DNS server, which expects these changes in the domain names. The downside of this attack is that the client has to start the connection over HTTP due to the need of HTTP redirection. Bettercap is pre-installed on Kali Linux.

To do MitM with Bettercap, let’s see this example case. The attacker and the victim is on the same subnet in a wifi network. The victim IP is: . The Router IP is: . The attacker uses his WLAN1 wireless network interface. The attacker aims to sniff and spoof the target. So, the attacker type in command:

~$ bettercap -I wlan1 -O shoppingdowntown.us -S ARP --proxy --proxy-https --gateway --target -I network interface (WLAN1) -O Log all message into file named shoppingdowntown.us -S Activate spoofer module --proxy Enable HTTP proxy and redirects all HTTP requests to it --proxy-https Enable HTTPS proxy and redirects all HTTPS requests to it --gateway The router IP address --target The victims IP address, for multiple target separated by comma no space needed -P Use parser to display certain filtered message. (POST - display the POST request packets)

After the command is run, bettercap will start the ARP spoofing module, DNS server, HTTP and HTTPS proxy service. And also the victim information listed.

The victim enters the url ‘shoppingdowntown.us’ in the url tab. Bettercap detected that the victim is trying to access shoppingdowntown.us Then, bettercap SSLStrip-ing the URL by downgrade the HTTPS protocol to HTTP and modify the URL name. As the image shown below.

The URL in the victim’s browser will look like strange, it has additional ‘w’, it is how SSLSTRIP+ and HSTS Preload bypass work.

Once the victim logs in to the log in service, bettercap captures the credentials.




I think Metasploit Framework is THE BEST TOOL in KALI LINUX. Metasploit has a lot Modules it is:


An exploit is the method by which the attacker takes advantage of a flaw within a system, service, application etc. The attacker generally uses this to do something with the particular system/service/application which he/she is attacking which the developer/implementer never intended to do. Kind of like misusing. This is the thing which an attacker uses to gain access to a system.

Exploits are always accompanied by payloads


A payload is the piece of code which is run in the successfully exploited system. After an exploit works successfully, the framework injects the payload through the exploited vulnerability and makes it run it within the target system. Thus an attacker gets inside the system or can get data from the compromised system using the payload.


Provides additional functionality like fuzzing, scanning, recon, dos attack etc. Auxiliary scans for banners or OSes, fuzzes or does a DOS attack on the target. It doesn’t inject a payload like exploits. Means you wont be able to gain access to a system using an auxiliary


Encoders are used to obfuscate modules to avoid detection by a protection mechanism such as an antivirus or a firewall. This is widely used when we create a backdoor. The backdoor is encoded (even multiple times) and sent to the victim.


These modules are used for post-exploitation. After a system has been compromised, we can dig deeper into the system, send a backdoor or set it as a pivot to attack other systems using these modules.

METASPLOIT comes with variety of interfaces:

  • msfconsole        An interactive curses like shell to do all tasks.
  • msfcli                 Calls msf functions from the terminal/cmd itself. Doesn’t change the terminal.
  • msfgui               the Metasploit Framework Graphical User Interface.
  • Armitage          Another graphical tool written in java to manage pentest performed with MSF.
  • Web Interface The web based interface provided by rapid7 for Metasploit Community.
  • CobaltStrike    another GUI with some added features for post-exploitation, reporting, etc.
Источник: [shoppingdowntown.us]

Fcrackzip Tool &#; Crack a Zip File Password in Kali Linux

The fcrackzip utility and wordlists are included by default in Kali to crack passwords for these compressed files. Because of their compact size and encryption algorithm, we frequently use zipped files. These zipped files have a password protection feature that ensures the files&#; confidentiality.

When you&#;ve forgotten your password and are stuck trying to figure out how to hack it, fcrack comes to your rescue to save the day and show you how to encrypt your papers. With the support of fcrackzip, which is available in Linux, you can easily crack a secure zip file.


fcrackzip is a tool that can be used to decrypt zip files and determine their passwords. The brute-force method is used in this tool. Fcrackzip can be installed in a few basic steps:

Step 1:

$ sudo apt update

Fcrackzip tool in Kali Linux to crack a Zip File Password

Step 2:

$ sudo apt-get install fcrackzip

Fcrackzip tool in Kali Linux to crack a Zip File Password

Verify Installation:

Since we&#;re using Kali Linux, the fcrackzip utility is already installed; all we have to do now is open the terminal and type &#;fcrackzip &#;help&#; and the tool&#;s help command will run.

fcrackzip --help

Fcrackzip tool in Kali Linux to crack a Zip File Password

Creating a zip file that is password-protected:

To begin, we must generate a password-protected file. To do so, we must first pick the file that we want to secure with that format, and then we must execute the instruction.

sudo zip --password abc shoppingdowntown.us shoppingdowntown.us

Fcrackzip tool in Kali Linux to crack a Zip File Password

Using fcrackzip, you can crack zip passwords:

To use a brute force attack, fcrackzip is a powerful and simple method for performing a brute force attack on any zip file. To do so, we would use various formats to break the zip file&#;s password. To do so, we&#;ll use (-b) to enable us to brute force the zip file, (-c) to describe the dictionary&#;s charset, and (-u), which allows us to see only the right outcome in the result.

sudo fcrackzip -b -c 'a1' -u shoppingdowntown.us

Fcrackzip tool in Kali Linux to crack a Zip File Password

Getting the zip file&#;s password with Verbose mode:

Verbose is a mode in fcrackzip that can be enabled with the (-v) parameter. Now that you&#;re in verbose mode, you&#;ll get a lot more stuff. In our case, the verbose mode allows us to obtain information about the file in the password-protected zip file, such as its height, name, and the current dictionary combination that is added to that zip file.

sudo fcrackzip -b -c 'a1' -v -u shoppingdowntown.us

Fcrackzip tool in Kali Linux to crack a Zip File Password

Cracking a password of a certain length:

To do so, we used the same command we used to build a password-protected zip file to create a password-protected zip file. In this case, we use two different parameters, such as (-c ‘a&#;), which we formerly used for a different function but are now using for adding numeric charset. The second variable is (-l).

The length of the password is defined by this parameter (minimum length – maximum length).

sudo fcrackzip -b -v -c 'a' -l -u shoppingdowntown.us

Fcrackzip tool in Kali Linux to crack a Zip File Password

Cracking a password with supplying the initial password:

We have a set initial password for brute force with the name string to provide keys for dictionary matching, and we can provide them with a set of strings to apply certain keywords to their dictionary with this parameter.

sudo fcrackzip -b -v -c 'a' -p rishu shoppingdowntown.us

Fcrackzip tool in Kali Linux to crack a Zip File Password

Cracking a password with Dictionary:

In this mode, fcrackzip can read passwords from a file that we provide; the file must contain one password per line and be alphabetically ordered for fcrackzip to function properly.

Using the command syntax below to use fcrackzip for the shoppingdowntown.us wordlist. It&#;s not necessary to create a hash file.

sudo fcrackzip -u -D -p /usr/share/wordlists/shoppingdowntown.us shoppingdowntown.us

Fcrackzip tool in Kali Linux to crack a Zip File Password

Источник: [shoppingdowntown.us]
Kali Linux includes some of the best password attack tools that necessary for every security professional and pentester. I have included a list of the best tool Kali Linux offers for password attacking. All of these tools are open-source and available in Kali full images by default.

CeWL tool:

It is a ruby language-based tool that connects a unique URL to a definite depth; it follows external links and outputs a list of words that are used for password crackers like John’s password cracking tool. It can also be launched in command line terminal windows, files already bagged FAB that uses raw data extractions methods to create lists from already downloaded.

Crunch tool:

This password attack tool generates a wordlist where standard or customized character set can be specified for usage. It generates all the possible password combinations in a very quick process. It can also break up the results by file size and support in case of any difficulty. It supports numbers, symbols. Crunch supports uppercase and lowercase letters and also generates a status report of multiple files.

Hashcat tool:

This is one of the most popular, fast, and expert password recovery tools. It supports 5 unique attack modes for plus highly-optimized hashing algos. It can support CPU, GPU, and many more hardware accelerators and helps to work on distributed password cracking. It has numerous different options to support multiple arguments during password recovery.

John the ripper toolkit:

“John the ripper” is a fast and reliable toolkit that contains numerous cracking modes, and it is highly customizable and configurable according to your requirements. By default, John can work with many hash types, including traditional DES, bigcrypt, FreeBSD MD5, Blowfish, BSDI extended DES, Kerberos, and MS Windows LM hashes. It also supports other DES-based tripcodes, but they need to be configured. It can also work on SHA hashes and Sun MD5 hashes. It also supports OpenSSH private keys, PDF files, ZIP, RAR archives, Kerberos TGT.

It has many scripts for various purposes such as unafs (warning about weak passwords), unshadows (passwords and shadows files combined), unique (duplicates are removed from wordlist).

Medusa tool:

Medusa is a brute-forcer login tool that is a very fast, reliable, and modular design. It supports many services that allow remote authentication. It supports multi thread-based parallel testing, and it also has flexible user input, a modular design that can support independent brute force services. It also supports many protocols such as SMB, HTTP, POP3, MSSQL, SSH version 2, and many more.

Ncrack tool:

A very fast network authentication cracking tool that helps organizations to secure their networks against password attacks. It searches for poor passwords by testing their hosts and networking devices. It has several components and works like the NMAP tool having a dynamic engine to work on network feedback. It has fast and reliable auditing services for multiple hosts. It is very easy to use and has sophisticated brute force attacks, timing templates, and a flexible interface for complete control of the network processes. It supports multiple protocols such as SSH, FTP, HTTPS, TELNET, IMAP, SIP, SMB, PostgreSQL, MS-SQL, MySQL, MongoDB, and many more.

Ophcrack tool:

Ophcrack is an opensource windows password cracking tool. It is based on rainbow tables and is very efficient. It has a graphical user interface as well as a command-line interface and supports multi-platforms. It has audit mode, brute force mode, debugging mode, loading hashes.

Wordlists utility:

The wordlists is a password attack tool that includes a wordlist and symlinks to several password files that are in the Kali Linux distro. The package is pre-installed in Kali Linux , and it is an open-source tool so it can be downloaded.

Hydra tool:

This password attack tool is a centralized parallel login crack with several attack protocols. It is highly flexible, quick, reliable, and customizable for the addition of new modules. This tool can obtain unauthorized access remotely to a system, and that is very important for security professionals. It works with Cisco AAA, Cisco authorization, FTP, HTTPS GET/POST/PROXY, IMAP, MySQL, MSSQL, Oracle, PostgreSQL, SIP, POP3, SMTP, SSHkey, SSH and many more.

Mimikatz tool:

Mimikatz is a C language tool that works with windows security. It extracts passwords, PINs, Hash codes, and Kerberos tickets from host memory and saves it in a plain text file. It executes three services, i.e., pass the ticket, pass the hash, and built Golden tickets. This is an open-source tool and comes pre-installed in Kali Linux update.


This tool helps to view information and change passwords in windows NT/ based DB files. This tool overwrites old passwords. It has a simple registry editor that can revoke or invoke registries in the windows database file. This tool can also be used as offline password recovery utility; just add this to custom image disk.

THC-pptp-bruter tool:

This brute forcer tool works against pptp VPN endpoints. It is a standalone package and uses TCP port It supports MSchapV2 authentication and is tested against enormous cisco gateways and windows files. This brute force tool tries passwords in a second and exploits a vulnerability in Microsoft anti-brute-force operation.

Rsmangler tool:

This tool gets a wordlist and then do different operations on it just like John the Ripper tool. It takes an input of words and generates all of these transformations and the acronym of words, and then it is applied to other mangles.


All of these password attack tools are open-source and can be downloaded from the Kali repository or GitHub Repository.

Источник: [shoppingdowntown.us]

Kali Linux: Top 5 tools for password attacks

These are five great tools for password attacks from Kali Linux. By learning how to crack passwords with Kali, you not only learn how to break into systems, but you also get the skills necessary for defending against these types of attacks. 

There are many other tools available in Kali Linux that can help with this type of attack, so don’t be afraid to explore them. 

These are the most commonly used tools for password attacks in Kali Linux.

1. John the Ripper

John the Ripper can be used to crack passwords from text files and word lists, also known as password dictionaries. It&#;s often one of the most important tools that anyone who wants to break into systems will need for performing password attacks. 

John the Ripper is a great place to start if you&#;re interested in learning how to perform these types of attacks on your own system or by using one of Kali Linux&#;s virtual machines.

For John the Ripper to work, it needs both text files and word lists that contain passwords.

The number of passwords available in your dictionary or word list will determine the size of the file, so the bigger the file, the more passwords it will contain.  

After you&#;ve compiled the text files and word lists that contain passwords, simply pass them to John for processing.

Once a password has been identified as matching one of your texts or word lists, John will print out the username it belonged to and how many times it appeared in your list. 

2. Hydra

Among the password cracking programs available, Hydra can be used to brute force passwords. It has many advantages over John the Ripper, but it&#;s slower and requires more processing power from your system to work correctly.

Hydra is just as straightforward as most of Kali Linux&#;s tools: simply launch it with a wordlist and start guessing passwords until one works. Hydra will take longer to crack a long password than it will to crack a shorter one, so the length of the password can make a big difference.

Hydra uses parallelization to perform its login cracker tasks. It is capable of attacking numerous protocols. It utilizes multiple CPUs and can significantly reduce the time it takes to recover passwords from encrypted wireless networks, WPA/WPA2 protected access points and even heavily firewalled corporate LANs.

Using Hydra, researchers can demonstrate the ease of gaining unauthorized access to a system remotely in a very short space of time, sometimes in mere minutes. This can be a real wake-up call for users that do not use proper password security measures.

3. Cain & Abel

Cain is a Windows password recovery tool that can search and crack various password hashes and filter net packets using methods, including network packet sniffing.

Cain can often be used by computer forensics experts to decrypt an NT LAN Manager (NTLM) hash, which encrypts time-sensitive information between client computers and servers like Active Directory or LDAP servers to verify credentials.

Cain can be used in many different ways, making it a very handy tool to have as part of your toolkit. It&#;s been designed with these four major features in mind: NetWare LAN Manager/Windows NT LM Hashes Cracker, Rainbow Table Generator, Offline NT Password & Registry Editor and Salted Hash Keeper.

You can test many different types of systems with Cain & Abel, so it is definitely worth becoming familiar with them.

4. Ophcrack

Ophcrack is a tool that can be used for breaking Windows passwords. This is a free, open-source tool that can recover all the hashes of the SAM (security accounts manager) registry key in older versions and LM Hashes in more recent ones.

This program runs by mapping out what&#;s called rainbow tables to get you access to your password. Accelerating a process is achieved by using graphics processing units, or GPUs. These are the same graphics cards that are used for gaming and 3D design.

The first thing you need to do is select your Windows version and then download the rainbow tables for that specific version of Windows. Once this has been done, it will take about an hour or so for Ophcrack to finish running through its calculations with GPUs.

This is much quicker than traditional CPU-bound tools because graphics cards are capable of dealing with advanced mathematical calculations very quickly.

5. Hashcat

The world’s fastest password hacking utility, Hashcat supports five different types of attack in conjunction with more than hashing algorithms. Hashcat can be used to crack passwords by leveraging hardware on computer systems such as GPUs for added speed. 

There are many ways to attack passwords such as brute-force, cracking the hashes with wordlists and rainbow tables.

Currently, Hashcat can be used with computer components like CPUs and GPUs. It also has multiple OS support with Linux, Windows and OSX, as well as the ability to enable distributed password cracking.

Some of the hash types that can be cracked with Hashcat are md, MDBMZ (Mdaij), Windows LM Hashes and Cisco Type-based Password Lists. The support for these hashes is constantly growing and we will update as new algorithms get added to the program.

Where would a password cracking tool be useful?

In your daily tasks as a cybersecurity professional,  you may be asked to help a client identify the password of an email account or social media profile.

It&#;s important to understand that all passwords have strengths and weaknesses, so it is not enough just to try guessing them until you find the right one.

You will need tools like John the Ripper to crack those types of passwords to access a machine like this.

The John the Ripper tool is very powerful and it&#;s easy to use, which makes it perfect for everyday penetration testers.

Exploring Kali Linux password attack tools

Now that you know which tools are available in Kali for password cracking, you can start to try them out for yourself. It is satisfying when you finally gain access to a test machine that you thought you couldn’t crack, and learning how these tools work will help you to validate your theoretical knowledge with tangible, real world results.

Password attacks are a common way to break into systems, so you must be aware of what types of tools are available and how they work. Kali Linux is an operating system that has many tools for performing these types of attacks, which can be found in this post if you&#;re interested in learning.

The key takeaway here is that you will be able to identify telltale signs of password cracking attempts on computer systems if you practice these techniques yourself.    



Hydra package description, Kali Tools
Hashcat binaries, Haschat

Posted: July 21,


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Graeme is an IT professional with a special interest in computer forensics and computer security. When not building networks and researching the latest developments in network security, he can be found writing technical articles and blog posts at InfoSec Resources and elsewhere.

Источник: [shoppingdowntown.us]

Kali Linux &#; Password Cracking Tool

Password cracking is a mechanism that is used in most of the parts of hacking. Exploitation uses it to exploit the applications by cracking their administrator or other account passwords, Information Gathering uses it when we have to get the social media or other accounts of the C.E.O. or other employees of the target organization, Wifi Hacking uses it when we have to crack the hash from the captured wifi password hash file, etc. 

So to be a good Ethical hacker one must be aware of password cracking techniques. Though it is easy to crack passwords by just using guessing techniques, it is very time consuming and less efficient so in order to automate the task, we have a lot of tools. When it comes to tools Kali Linux is the Operating System that stands first, So here we have a list of tools in Kali Linux that may be used for Password Cracking. 

1. Crunch

In order to hack a password, we have to try a lot of passwords to get the right one. When an attacker uses thousands or millions of words or character combinations to crack a password there is no surety that any one of those millions of combinations will work or not. This collection of a different combination of characters is called a wordlist. And in order to crack a password or a hash, we need to have a good wordlist which could break the password. So to do so we have a tool in Kali Linux called crunch

crunch is a wordlist generating tool that comes pre-installed with Kali Linux. It is used to generate custom keywords based on wordlists. It generates a wordlist with permutation and combination. We could use some specific patterns and symbols to generate a wordlist. 

To use crunch, enter the following command in the terminal. 


kali Linux crunch

2. RainbowCrack

Rainbow crack is a tool that uses the time-memory trade-off technique in order to crack hashes of passwords. It uses rainbow tables in order to crack hashes of passwords. It doesn&#;t use the traditional brute force method for cracking passwords. It generates all the possible plaintexts and computes the hashes respectively. After that, it matches hash with the hashes of all the words in a wordlist. And when it finds the matching hashes, it results in the cracked password. 

To use RainbowCrack, enter the following command in the terminal. 



3. Burp Suite

Burp Suite is one of the most popular web application security testing software. It is used as a proxy, so all the requests from the browser with the proxy pass through it. And as the request passes through the burp suite, it allows us to make changes to those requests as per our need which is good for testing vulnerabilities like XSS or SQLi or even any vulnerability related to the web. Kali Linux comes with burp suite community edition which is free but there is a paid edition of this tool known as burp suite professional which has a lot many functions as compared to burp suite community edition. It comes with an intruder tool that automates the process of password cracking through wordlists. 

To use burp suite: 

  • Read this to learn how to setup burp suite.
  • Open terminal and type &#;burpsuite&#; there.
  • Go to the Proxy tab and turn the interceptor switch to on.
  • Now visit any URL and it could be seen that the request is captured. 


4. Maltego

Maltego is a platform developed to convey and put forward a clear picture of the environment that an organization owns and operates. Maltego offers a unique perspective to both network and resource-based entities which is the aggregation of information delivered all over the internet – whether it’s the current configuration of a router poised on the edge of our network or any other information, Maltego can locate, aggregate and visualize this information. It offers the user with unprecedented information which is leverage and power. 

Maltego&#;s Uses: 

  • It is used to exhibit the complexity and severity of single points of failure as well as trust relationships that exist currently within the scope of the infrastructure.
  • It is used in the collection of information on all security-related work. It will save time and will allow us to work more accurately and in a smarter way.
  • It aids us in thinking process by visually demonstrating interconnected links between searched items.
  • It provides a much more powerful search, giving smarter results.
  • It helps to discover “hidden” information.

To use Maltego: Go to applications menu and then select &#;maltego&#; tool to execute it.  


5. John the Ripper

John the Ripper is a great tool for cracking passwords using some famous brute for attacks like dictionary attack or custom wordlist attack etc. It is even used to crack the hashes or passwords for the zipped or compressed files and even locked files as well. It has many available options to crack hashes or passwords. 

To use John the Ripper 

  • John the ripper comes pre-installed in Kali Linux.
  • Just type &#;john&#; in the terminal to use the tool. 



Источник: [shoppingdowntown.us]
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