def start(self):
if self.bindingip == '':
bindingip = 'any'
else:
bindingip = self.bindingip
self.log.debug("binding to %s:%s" % (bindingip, self.localport))
while 1:
if self.localport > 65535:
self.log.critical("Could not bind to any port")
return
try:
self.sock.bind((self.bindingip, self.localport))
break
except socket.error:
self.log.debug("could not bind to %s" % self.localport)
self.localport += 1
if self.originallocalport != self.localport:
self.log.warning("could not bind to %s:%s - some process might already be listening on this port. Listening on port %s instead" %
(self.bindingip, self.originallocalport, self.localport))
self.log.info(
"Make use of the -P option to specify a port to bind to yourself")
# perform a test 1st .. we want to see if we get a 404
# some other error for unknown users
self.nextuser = random.getrandbits(32)
data = self.createRequest(self.method, self.nextuser)
try:
mysendto(self.sock, data, (self.dsthost, self.dstport))
# self.sock.sendto(data,(self.dsthost,self.dstport))
except socket.error as err:
self.log.error("socket error: %s" % err)
return
# first we identify the assumed reply for an unknown extension
gotbadresponse = False
try:
while 1:
try:
buff, srcaddr = self.sock.recvfrom(8192)
if self.printdebug:
print(srcaddr)
print(buff)
except socket.error as err:
self.log.error("socket error: %s" % err)
return
buff = buff.decode('utf-8', 'ignore')
if buff.startswith(self.TRYING) \
or buff.startswith(self.RINGING) \
or buff.startswith(self.UNAVAILABLE):
gotbadresponse = True
elif (buff.startswith(self.PROXYAUTHREQ)
or buff.startswith(self.INVALIDPASS)
or buff.startswith(self.AUTHREQ)) \
and self.initialcheck:
self.log.error(
"SIP server replied with an authentication request for an unknown extension. Set --force to force a scan.")
return
else:
self.BADUSER = buff.splitlines()[0]
self.log.debug("Bad user = %s" % self.BADUSER)
gotbadresponse = False
break
except socket.timeout:
if gotbadresponse:
self.log.error("The response we got was not good: %s" % buff.__repr__())
else:
self.log.error(
"No server response - are you sure that this PBX is listening? run svmap against it to find out")
return
except (AttributeError, ValueError, IndexError):
self.log.error("bad response .. bailing out")
return
except socket.error as err:
self.log.error("socket error: %s" % err)
return
if self.BADUSER.startswith(self.AUTHREQ):
self.log.warning(
"Bad user = %s - svwar will probably not work!" % self.AUTHREQ)
# let the fun commence
self.log.info('Ok SIP device found')
while 1:
if self.nomore:
while 1:
try:
self.getResponse()
except socket.timeout:
return
r, _, _ = select.select(
self.rlist,
self.wlist,
self.xlist,
self.selecttime
)
if r:
# we got stuff to read off the socket
self.getResponse()
self.lastrecvtime = time.time()
else:
# check if its been a while since we had a response to prevent
# flooding - otherwise stop
timediff = time.time() - self.lastrecvtime
if timediff > self.maxlastrecvtime:
self.nomore = True
self.log.warning(
'It has been %s seconds since we last received a response - stopping' % timediff)
continue
# no stuff to read .. its our turn to send back something
try:
self.nextuser = next(self.usernamegen)
except StopIteration:
self.nomore = True
continue
except TypeError:
self.nomore = True
self.log.exception('Bad format string')
data = self.createRequest(self.method, self.nextuser)
try:
self.log.debug("sending request for %s" % self.nextuser)
mysendto(self.sock, data, (self.dsthost, self.dstport))
# self.sock.sendto(data,(self.dsthost,self.dstport))
if self.sessionpath is not None:
if next(self.packetcount):
try:
if self.guessmode == 1:
pickle.dump(self.nextuser, open(os.path.join(
exportpath, 'lastextension.pkl'), 'wb+'))
self.log.debug(
'logged last extension %s' % self.nextuser)
elif self.guessmode == 2:
pickle.dump(self.guessargs.tell(), open(
os.path.join(exportpath, 'lastextension.pkl'), 'wb+'))
self.log.debug(
'logged last position %s' % self.guessargs.tell())
except IOError:
self.log.warning(
'could not log the last extension scanned')
except socket.error as err:
self.log.error("socket error: %s" % err)
break
def start(self):
# bind to 5060 - the reason is to maximize compatability with
# devices that disregard the source port and send replies back
# to port 5060
if self.bindingip == '':
bindingip = 'any'
else:
bindingip = self.bindingip
self.log.debug("binding to %s:%s" % (bindingip, self.localport))
while 1:
if self.localport > 65535:
self.log.critical("Could not bind to any port")
return
try:
self.sock.bind((self.bindingip,self.localport))
break
except socket.error:
self.log.debug("could not bind to %s" % self.localport)
self.localport += 1
if self.originallocalport != self.localport:
self.log.warning("could not bind to %s:%s - some process might already be listening on this port. Listening on port %s instead" % (self.bindingip,self.originallocalport, self.localport))
self.log.info("Make use of the -P option to specify a port to bind to yourself")
while 1:
r, _, _ = select.select(
self.rlist,
self.wlist,
self.xlist,
self.selecttime
)
if r:
# we got stuff to read off the socket
try:
buff,srcaddr = self.sock.recvfrom(8192)
host, port, *_ = srcaddr
self.log.debug('got data from %s:%s' % (str(host), str(port)))
self.log.debug('data: %s' % buff.__repr__())
if self.printdebug:
print(srcaddr)
print(buff)
except socket.error:
continue
self.getResponse(buff,srcaddr)
else:
# no stuff to read .. its our turn to send back something
if self.nomoretoscan:
try:
# having the final sip
self.log.debug("Making sure that no packets get lost")
self.log.debug("Come to daddy")
while 1:
buff,srcaddr = self.sock.recvfrom(8192)
if self.printdebug:
print(srcaddr)
print(buff)
self.getResponse(buff,srcaddr)
except socket.error:
break
try:
nextscan = next(self.scaniter)
except StopIteration:
self.log.debug('no more hosts to scan')
self.nomoretoscan = True
continue
dstip,dstport,method = nextscan
self.nextip = dstip
dsthost = (dstip,dstport)
domain = dsthost[0]
branchunique = '%s' % random.getrandbits(32)
if self.ipv6 and check_ipv6(dsthost[0]):
domain = '[' + dsthost[0] + ']'
localtag = createTag('%s%s' % (''.join(map(lambda x:
'%s' % x, dsthost[0].split(':'))), '%04x' % dsthost[1]))
else:
localtag = createTag('%s%s' % (''.join(map(lambda x:
'%02x' % int(x), dsthost[0].split('.'))),'%04x' % dsthost[1]))
if self.ipv6:
fromaddr = '"%s"<sip:100@%s>' % (self.fromname, domain)
else:
fromaddr = '"%s"<%s>' % (self.fromname, self.fromaddr)
toaddr = fromaddr
callid = '%s' % random.getrandbits(80)
contact = None
if method != 'REGISTER':
contact = 'sip:%s@%s:%s' % (self.extension,self.externalip,self.localport)
data = makeRequest(
method,
fromaddr,
toaddr,
domain,
dsthost[1],
callid,
self.externalip,
branchunique,
compact=self.compact,
localtag=localtag,
contact=contact,
accept='application/sdp',
localport=self.localport,
extension=self.extension
)
try:
self.log.debug("sending packet to %s:%s" % dsthost)
self.log.debug("packet: %s" % data.__repr__())
mysendto(self.sock,data,dsthost)
self.sentpackets += 1
#self.sock.sendto(data,dsthost)
if self.sessionpath is not None:
if next(self.packetcount):
try:
f=open(os.path.join(self.sessionpath,'lastip.pkl'),'wb+')
pickle.dump(self.nextip,f)
f.close()
self.log.debug('logged last ip %s' % self.nextip)
except IOError:
self.log.warning('could not log the last ip scanned')
if self.first is not None:
if self.sentpackets >= self.first:
self.log.info('Reached the limit to scan the first %s packets' % self.first)
self.nomoretoscan = True
except socket.error as err:
self.log.error( "socket error while sending to %s:%s -> %s" % (dsthost[0],dsthost[1],err))
pass
def getResponse(self):
# we got stuff to read off the socket
buff, srcaddr = self.sock.recvfrom(8192)
if self.printdebug:
print(srcaddr)
print(buff)
buff = buff.decode('utf-8')
try:
extension = getTag(buff).decode('utf-8', 'ignore')
except (TypeError, AttributeError):
self.log.error('could not decode to tag')
extension = None
if extension is None:
self.nomore = True
return
try:
firstline = buff.splitlines()[0]
except (ValueError, IndexError, AttributeError):
self.log.error("could not get the 1st line")
return
if self.enableack:
# send an ack to any responses which match
_tmp = parseHeader(buff)
if not (_tmp and 'code' in _tmp):
return
if 699 > _tmp['code'] >= 200:
self.log.debug('will try to send an ACK response')
if 'headers' not in _tmp:
self.log.debug('no headers?')
return
if 'from' not in _tmp['headers']:
self.log.debug('no from?')
return
if 'cseq' not in _tmp['headers']:
self.log.debug('no cseq')
return
if 'call-id' not in _tmp['headers']:
self.log.debug('no caller id')
return
try:
# _tmp['headers']['from'][0].split('"')[1]
username = getTag(buff)
except IndexError:
self.log.warning('could not parse the from address %s' % _tmp[
'headers']['from'])
username = '******'
cseq = _tmp['headers']['cseq'][0]
cseqmethod = cseq.split()[1]
if 'INVITE' == cseqmethod:
cid = _tmp['headers']['call-id'][0]
fromaddr = _tmp['headers']['from'][0]
toaddr = _tmp['headers']['to'][0]
ackreq = self.createRequest('ACK',
cid=cid,
cseq=cseq.replace(
cseqmethod, ''),
fromaddr=fromaddr,
toaddr=toaddr,
)
self.log.debug('here is your ack request: %s' % ackreq)
mysendto(self.sock, ackreq, (self.dsthost, self.dstport))
# self.sock.sendto(ackreq,(self.dsthost,self.dstport))
if _tmp['code'] == 200:
byemsg = self.createRequest('BYE',
cid=cid,
cseq='2',
fromaddr=fromaddr,
toaddr=toaddr,
)
self.log.debug(
'sending a BYE to the 200 OK for the INVITE')
mysendto(self.sock, byemsg,
(self.dsthost, self.dstport))
if firstline != self.BADUSER:
if buff.startswith(self.PROXYAUTHREQ) \
or buff.startswith(self.INVALIDPASS) \
or buff.startswith(self.AUTHREQ):
if self.realm is None:
self.realm = getRealm(buff)
self.log.info(
"extension '%s' exists - requires authentication" % extension)
self.resultauth[extension] = 'reqauth'
if self.sessionpath is not None and self.dbsyncs:
self.resultauth.sync()
elif buff.startswith(self.TRYING):
pass
elif buff.startswith(self.RINGING):
pass
elif buff.startswith(self.OKEY):
self.log.info(
"extension '%s' exists - authentication not required" % extension)
self.resultauth[extension] = 'noauth'
if self.sessionpath is not None and self.dbsyncs:
self.resultauth.sync()
else:
self.log.warning(
"extension '%s' probably exists but the response is unexpected" % extension)
self.log.debug("response: %s" % firstline)
self.resultauth[extension] = 'weird'
if self.sessionpath is not None and self.dbsyncs:
self.resultauth.sync()
elif buff.startswith(self.NOTFOUND):
self.log.debug("User '%s' not found" % extension)
elif buff.startswith(self.INEXISTENTTRANSACTION):
pass
# Prefix not found, lets go to the next one. Should we add a warning
# here???
elif buff.startswith(self.SERVICEUN):
pass
elif buff.startswith(self.TRYING):
pass
elif buff.startswith(self.RINGING):
pass
elif buff.startswith(self.OKEY):
pass
elif buff.startswith(self.DECLINED):
pass
elif buff.startswith(self.NOTALLOWED):
self.log.warning("method not allowed")
self.nomore = True
return
elif buff.startswith(self.BADREQUEST):
self.log.error(
"Protocol / interopability error! The remote side most probably has problems with parsing your SIP messages!")
self.nomore = True
return
else:
self.log.warning("We got an unknown response")
self.log.error("Response: %s" % buff.__repr__())
self.log.debug("1st line: %s" % firstline.__repr__())
self.log.debug("Bad user: %s" % self.BADUSER.__repr__())
self.nomore = True
def start(self):
if self.bindingip == '':
bindingip = 'any'
else:
bindingip = self.bindingip
self.log.debug("binding to %s:%s" % (bindingip, self.localport))
while 1:
if self.localport > 65535:
self.log.critical("Could not bind to any port")
return
try:
self.sock.bind((self.bindingip, self.localport))
break
except socket.error:
self.log.debug("could not bind to %s" % self.localport)
self.localport += 1
if self.originallocalport != self.localport:
self.log.warning("could not bind to %s:%s - some process might already be listening on this port. Listening on port %s instead" %
(self.bindingip, self.originallocalport, self.localport))
self.log.info(
"Make use of the -P option to specify a port to bind to yourself")
# perform a test 1st ..
data = self.Register(self.extension, self.domain)
try:
mysendto(self.sock, data, (self.dsthost, self.dstport))
except socket.error as err:
self.log.error("socket error: %s" % err)
return
try:
self.getResponse()
self.lastrecvtime = time.time()
except socket.timeout:
self.log.error("no server response")
return
except socket.error as err:
self.log.error("socket error:%s" % err)
return
if self.noauth is True:
return
while 1:
r, _, _ = select.select(
self.rlist,
self.wlist,
self.xlist,
self.selecttime
)
if r:
if self.passwordcracked:
break
# we got stuff to read off the socket
try:
self.getResponse()
self.lastrecvtime = time.time()
except socket.error as err:
self.log.warning("socket error: %s" % err)
else:
# check if its been a while since we had a response to prevent
# flooding - otherwise stop
timediff = time.time() - self.lastrecvtime
if timediff > self.maxlastrecvtime:
self.nomore = True
self.log.warning(
'It has been %s seconds since we last received a response - stopping' % timediff)
if self.passwordcracked:
break
if self.nomore is True:
try:
while not self.passwordcracked:
self.getResponse()
except socket.timeout:
break
# no stuff to read .. its our turn to send back something
if len(self.challenges) > 0:
# we have challenges to take care of
self.auth = dict()
self.auth['username'] = self.username
self.auth['realm'] = self.realm
if self.reusenonce:
self.auth['nonce'] = self.staticnonce
cid = self.staticcid
else:
self.auth['nonce'], cid, self.auth['qop'], self.auth[
'algorithm'], self.auth['opaque'] = self.challenges.pop()
self.auth['proxy'] = self.dstisproxy
try:
self.auth['password'] = next(self.passwdgen)
self.previouspassword = self.auth['password']
self.log.debug('trying %s' % self.auth['password'])
if self.auth['algorithm'] == "md5-sess" or self.auth['qop'] == "auth":
self.auth["noncecount"] = self.noncecount
self.noncecount += 1
except StopIteration:
self.log.info("no more passwords")
self.nomore = True
continue
else:
self.auth = None
cid = None
data = self.Register(
self.extension, self.domain, self.auth, cid)
try:
mysendto(self.sock, data, (self.dsthost, self.dstport))
# self.sock.sendto(data,(self.dsthost,self.dstport))
if self.sessionpath is not None:
if next(self.packetcount):
try:
if self.crackmode == 1:
pickle.dump(self.previouspassword, open(
os.path.join(self.sessionpath, 'lastpasswd.pkl'), 'wb+'))
self.log.debug(
'logged last extension %s' % self.previouspassword)
elif self.crackmode == 2:
pickle.dump(self.crackargs.tell(), open(
os.path.join(self.sessionpath, 'lastpasswd.pkl'), 'wb+'))
self.log.debug(
'logged last position %s' % self.crackargs.tell())
except IOError:
self.log.warning(
'could not log the last extension scanned')
except socket.error as err:
self.log.error("socket error: %s" % err)
break