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