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I have some code which can crack numeric rar file passwords. The code just increments the value of a variable (starting from 0) and I use that to check against the password to unrar using unrar command. But I want to generate strings for brute force attacks.
In this chapter, we will learn about the important password cracking tools used in Kali Linux.
Hydra
Hydra is a login cracker that supports many protocols to attack ( 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).
TrueCrack is a brute-force password cracker for TrueCrypt volumes. It works on Linux and it is optimized for Nvidia Cuda technology. It supports: PBKDF2 (defined in PKCS5 v2.0) based on key derivation functions: Ripemd160, Sha512 and Whirlpool. XTS block cipher mode for hard disk encryption based on encryption algorithms: AES, SERPENT, TWOFISH. While slow, a brute-force attack (trying all possible password combinations) guarantees that an attacker will crack the password eventually. Hybrid attack: A hybrid attack mixes these two techniques. It starts by checking to see if a password can be cracked using a dictionary attack, then moves on to a brute-force attack if it is unsuccessful. Umbracocrack: Crack Umbraco HMAC-SHA1 password hashes tcpfuzz: Fuzz TCP services According to the developer, this tool was written out of frustration from using Hydra, Medusa, Ncrack, Metasploit modules and Nmap NSE scripts for password guessing attacks. Hydra is a login cracker that supports many protocols to attack ( Cisco AAA, Cisco auth.
To open it, go to Applications → Password Attacks → Online Attacks → hydra.
It will open the terminal console, as shown in the following screenshot.
In this case, we will brute force FTP service of metasploitable machine, which has IP 192.168.1.101
We have created in Kali a word list with extension ‘lst’ in the path usrsharewordlistmetasploit.
The command will be as follows − Bassforge hellraiser vst download.
where –V is the username and password while trying
Brute Force Windows 7 Password
As shown in the following screenshot, the username and password are found which are msfadmin:msfadmin
Johnny
Johnny is a GUI for the John the Ripper password cracking tool. Generally, it is used for weak passwords.
To open it, go to Applications → Password Attacks → johnny.
In this case, we will get the password of Kali machine with the following command and a file will be created on the desktop.
Click “Open Passwd File” → OK and all the files will be shown as in the following screenshot.
Click “Start Attack”.
After the attack is complete, click the left panel at “Passwords” and the password will be unshaded.
John
john is a command line version of Johnny GUI. To start it, open the Terminal and type “john”.
In case of unshadowing the password, we need to write the following command −
Rainbowcrack
The RainbowCrack software cracks hashes by rainbow table lookup. Rainbow tables are ordinary files stored on the hard disk. Generally, Rainbow tables are bought online or can be compiled with different tools.
To open it, go to Applications → Password Attacks → click “rainbowcrack”.
The command to crack a hash password is −
SQLdict
It is a dictionary attack tool for SQL server and is very easy and basic to be used. Altium designer 18 crack. To open it, open the terminal and type “sqldict”. It will open the following view.
Brute Force Password Cracker For Windows
Under “Target IP Server”, enter the IP of the server holding the SQL. Under “Target Account”, enter the username. Then load the file with the password and click “start” until it finishes.
hash-identifier
It is a tool that is used to identify types of hashes, meaning what they are being used for. For example, if I have a HASH, it can tell me if it is a Linux or windows HASH.
Windows Brute Force Password Cracker
The above screen shows that it can be a MD5 hash and it seems a Domain cached credential.