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output bugfix, add experimental feature

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dash
2015-06-15 09:40:29 +02:00
parent b6560ab6f0
commit ef80a7cec4
1 changed files with 37 additions and 6 deletions
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43
find_dns.py
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@@ -2,7 +2,8 @@
#
# ./find_dns.py -l IPs.txt -t 500 -o dnsservers.txt
#
# simple dns server finder by dash
# dns-server finder by dash
#
#
#./find_dns.py -l rIP.txt -t 100
#[*] Found 1001 entries
@@ -54,7 +55,7 @@ def parseDomain(domain):
def checkDNS(payload,host,resolv,debug):
def checkDNS(payload,host,resolv,debug,version):
# settimeout so recv is not block
rBuf_len = -1
try:
@@ -72,13 +73,27 @@ def checkDNS(payload,host,resolv,debug):
except socket.herror,e:
pass
if version:
# FEFE packet!
ver_req = '\xfe\xfe\x01 \x00\x01\x00\x00\x00\x00\x00\x01\x07version\x04bind\x00\x00\x10\x00\x03\x00\x00)\x10\x00\x00\x00\x00\x00\x00\x00'
try:
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.settimeout(3)
s.connect((host,53))
s.send(ver_req)
vBuf = s.recv(1024)
except socket.error,e:
vBuf = ''
pass
if name == '':
if debug:
print '%s\t%d\t%s' % (host,rBuf_len,repr(rBuf))
data = '%s%d\t%s\n' % (host,rBuf_len,repr(rBuf))
print '%s\t%d\t%s\t%s' % (host,rBuf_len,repr(rBuf),repr(vBuf))
data = '%s\t%d\t%s\t%s\n' % (host,rBuf_len,repr(rBuf),repr(vBuf))
else:
print '%s\t%d' % (host,rBuf_len)
data = '%s%d\n' % (host,rBuf_len)
data = '%s\t%d\n' % (host,rBuf_len)
else:
if debug:
print '%s\t(%s) %d\t%s' % (host,name,rBuf_len,repr(rBuf))
@@ -127,8 +142,16 @@ def run(args):
print '='*50
thrList = []
org_qlen = float(q.qsize())
while True:
#TODO percents calc
#qlen = q.qsize()
#cur_cnt = (qlen / org_qlen) * 100
#cur_cnt = int(100 - cur_cnt)
#if cur_cnt % 5 == 0 and cur_cnt != 0:
#print '='*20+' %d ' % (cur_cnt)+'='*20
if len(thrList) < thrCnt and q.qsize()>0:
# enable random transaction ids
@@ -137,7 +160,7 @@ def run(args):
rd_pack = struct.pack('>H',rd)
payload = '%s%s' % (rd_pack,payload[2:])
thrDns = threading.Thread(target = checkDNS, args = (payload,q.get(),args.resolv,args.debug))
thrDns = threading.Thread(target = checkDNS, args = (payload,q.get(),args.resolv,args.debug,args.version))
thrDns.daemon = True
thrDns.start()
thrList.append(thrDns)
@@ -176,8 +199,16 @@ def main():
parser.add_argument('-n',action='store_false',default=True,required=False,help='do not resolve ips', dest='resolv')
parser.add_argument('-d',action='store',default='google.com',required=False,help='choose the domain for the dns request', dest='domain')
parser.add_argument('-r',action='store_false',default=True,required=False,help='deactivate random transaction ids', dest='randTrans')
parser.add_argument('-v',action='store_true',default=False,required=False,help='grab version from dns server enable debug mode for it! (experimental!)', dest='version')
parser.add_argument('-V',action='store_true',default=False,required=False,help='print version information', dest='versinfo')
parser.add_argument('--debug',action='store_true',default=False,required=False,help='debug output', dest='debug')
args = parser.parse_args()
# add some more info here sometime
if args.versinfo:
print desc
sys.exit(23)
run(args)
if __name__ == "__main__":