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Countering SSH bruteforce attacks (edit)
Revision as of 15:51, 13 November 2018
, 15:51, 13 November 2018→Python script to scan ports from attackers
== Python script to scan ports from attackers ==
== Python script to scan ports from attackers ==
<source lang=python>import optparse
<source lang=python>import os
import optparse
from socket import *
from socket import *
PATH="/opt/counter_attack_ssh"
def main():
def main():
parser = optparse.OptionParser('usage %prog -H <target host> -p <target port>')
parser = optparse.OptionParser('usage %prog -H <target host> -p <target port>')
parser.add_option('-H', dest='tgtHost', type='string', help='specify target host')
parser.add_option('-H', dest='tgtHost', type='string', help='specify target host')
(options, args) = parser.parse_args()
(options, args) = parser.parse_args()
tgtHost = options.tgtHost
tgtHost = options.tgtHost
tgtPorts = [20, 21, 22, 23, 25, 53, 67, 68, 69, 80, 110, 123, 137, 138, 139, 143, 161, 162, 179, 389, 443, 445, 636, 989, 990]
tgtPorts = [20,21,22,23,25,53,67,68,69,80,110,123,137,138,139,143,161,162,179,389,443,636,989,990]
with open(os.path.join(PATH, 'already_scanned.txt'), 'ra') as already_scanned:
with open('already_scanned.txt', 'ra') as already_scanned:
already_scanned_list = already_scanned.readlines()
already_scanned_list = already_scanned.readlines()
already_scanned_list = [x.strip() for x in already_scanned_list]
already_scanned_list = [x.strip() for x in already_scanned_list]
if (tgtHost == None):
if (tgtHost == None):
print parser.usage
print parser.usage
print "IP already scanned"
print "IP already scanned"
else:
else:
already_scanned = open('already_scanned.txt', 'a')
already_scanned = open(os.path.join(PATH, 'already_scanned.txt'), 'a')
already_scanned.write(str(tgtHost) + "\n" )
already_scanned.write(str(tgtHost) + "\n" )
already_scanned.close()
already_scanned.close()
connSkt.connect((tgtHost, tgtPort))
connSkt.connect((tgtHost, tgtPort))
print '[+] %d/tcp open' % tgtPort
print '[+] %d/tcp open' % tgtPort
f = open('open_ports.txt', 'a')
f = open(os.path.join(PATH, 'open_ports.txt'), 'a')
f.write("HOST: " + str(tgtHost) + " PORT ---> " + str(tgtPort) + "\n")
f.write("HOST: " + str(tgtHost) + " PORT ---> " + str(tgtPort) + "\n")
f.close()
f.close()
connScan(tgtHost, int(tgtPort))
connScan(tgtHost, int(tgtPort))
if __name__ == '__main__':
if __name__ == '__main__':
main()</source>
main()
</source>
== counter_attack.sh ==
== counter_attack.sh ==