.TH SUCRACK 1 "Version 1.2.3" .SH NAME .B sucrack \- is a multithreaded Linux/UNIX tool for brute-force cracking of local user accounts via su. .SH SYNOPSIS .B sucrack [options] wordlist .SH DESCRIPTION .B sucrack is a multithreaded Linux/UNIX tool brute-force cracking tool that drives su(1) with referencing a specific user and uses words from a wordlist as passwords. Running .B sucrack does not require high privileges on the target system. .SH OPTIONS .PP .B sucrack allows reading passwords from stdin. In that case, use '-' instead of a filename as wordlist parameter. .TP .B Common options: .TP .I -h print help message .TP .I -a use ansi escape codes for nice looking statistics (requires --enable-statistics configuration flag) .TP .I -s statistics display intervall (requires --enable-statistics configuration flag) .TP .I -c only print statistics if a key other than `q' is pressed .TP .I -r enable rewriting of dictionary words (see rules below) .TP .I -w number of threads to run with. .TP .I -b size of the word list buffer .TP .I -u user account to su to .TP .I -l specify certain rules for the rewriting process .PP .TP .B Rewriting rules: .TP .I A Rewrite word with only upper case characters .TP .I F Rewrite word with first character as upper case .TP .I L Rewrite word with last character as upper case .TP .I a Rewrite word with only lower case characters .TP .I f Rewrite word with first character as lower case .TP .I l Rewrite word with last character as lower case .TP .I D Prepend each digit (0-9) to the word .TP .I d Append each digit (0-9) to the word .TP .I e enleet the word .TP .I x apply all rules to a word .SH ENVIRONMENT VARIABLES .PP .TP .I SUCRACK_SU_PATH The path to su (usually /bin/su or /usr/bin/su) .TP .I SUCRACK_AUTH_FAILURE The message su returns on an authentication failure (like "su: Authentication failure" or "su: Sorry") .TP .I SUCRACK_AUTH_SUCCESS The message that indicates an authentication success. This message must not be a password listed in the wordlist (default is "SUCRACK_SUCCESS") .SH AUTHOR .PP .TP Nico Leidecker http://www.leidecker.info .SH SEE ALSO .PP .TP .B su(1)