MITMf/core/responder/common.py
byt3bl33d3r 9712eed4a3 This is 1/2 of the work done... lot's of cool stuff!
I've re-written a decent amount of the framework to support dynamic config file updates, revamped the ARP Spoofing 'engine' and changed the way MITMf integrates Responder and Netcreds.

- Net-creds is now started by default and no longer a plugin.. It's all about getting those creds after all.
- Integrated the Subterfuge Framework's ARPWatch script, it will enable itself when spoofing the whole subnet (also squashed bugs in the original ARP spoofing code)
- The spoof plugin now supports specifying a range of targets (e.g. --target 10.10.10.1-15) and multiple targets (e.g. --target 10.10.10.1,10.10.10.2)
- An SMB Server is now started by default, MITMf now uses Impacket's SMBserver as supposed to the one built into Responder, mainly for 2 reasons:
  1) Impacket is moving towards SMB2 support and is actively developed
  2) Impacket's SMB server is fully functional as supposed to Responder's (will be adding a section for it in the config file)
  3) Responder's SMB server was unrealiable when used through MITMf (After spending a day trying to figure out why, I just gave up and yanked it out)

- Responder's code has been broken down into single importable classes (way easier to manage and read, ugh!)
- Started adding dynamic config support to Responder's code and changed the logging messages to be a bit more readable.
- POST data captured through the proxy will now only be logged and printed to STDOUT when it's decodable to UTF-8 (this prevents logging encrypted data which is no use)
- Responder and the Beefapi script are no longer submodules (they seem to be a pain to package, so i removed them to help a brother out)
- Some plugins are missing because I'm currently re-writing them, will be added later
- Main plugin class now inharates from the ConfigWatcher class, this way plugins will support dynamic configs natively! \o/
2015-04-27 18:33:55 +02:00

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Python

#common functions that are used throughout the Responder's code
import re
#Function used to write captured hashs to a file.
def WriteData(outfile, data, user):
if os.path.isfile(outfile) == False:
with open(outfile,"w") as outf:
outf.write(data)
outf.write("\n")
outf.close()
if os.path.isfile(outfile) == True:
with open(outfile,"r") as filestr:
if re.search(user.encode('hex'), filestr.read().encode('hex')):
filestr.close()
return False
if re.search(re.escape("$"), user):
filestr.close()
return False
else:
with open(outfile,"a") as outf2:
outf2.write(data)
outf2.write("\n")
outf2.close()
def Parse_IPV6_Addr(data):
if data[len(data)-4:len(data)][1] =="\x1c":
return False
if data[len(data)-4:len(data)] == "\x00\x01\x00\x01":
return True
if data[len(data)-4:len(data)] == "\x00\xff\x00\x01":
return True
else:
return False
#Function name self-explanatory
def Is_Finger_On(Finger_On_Off):
if Finger_On_Off == True:
return True
if Finger_On_Off == False:
return False
def RespondToSpecificHost(RespondTo):
if len(RespondTo)>=1 and RespondTo != ['']:
return True
else:
return False
def RespondToSpecificName(RespondToName):
if len(RespondToName)>=1 and RespondToName != ['']:
return True
else:
return False
def RespondToIPScope(RespondTo, ClientIp):
if ClientIp in RespondTo:
return True
else:
return False
def RespondToNameScope(RespondToName, Name):
if Name in RespondToName:
return True
else:
return False
##Dont Respond to these hosts/names.
def DontRespondToSpecificHost(DontRespondTo):
if len(DontRespondTo)>=1 and DontRespondTo != ['']:
return True
else:
return False
def DontRespondToSpecificName(DontRespondToName):
if len(DontRespondToName)>=1 and DontRespondToName != ['']:
return True
else:
return False
def DontRespondToIPScope(DontRespondTo, ClientIp):
if ClientIp in DontRespondTo:
return True
else:
return False
def DontRespondToNameScope(DontRespondToName, Name):
if Name in DontRespondToName:
return True
else:
return False
def IsOnTheSameSubnet(ip, net):
net = net+'/24'
ipaddr = int(''.join([ '%02x' % int(x) for x in ip.split('.') ]), 16)
netstr, bits = net.split('/')
netaddr = int(''.join([ '%02x' % int(x) for x in netstr.split('.') ]), 16)
mask = (0xffffffff << (32 - int(bits))) & 0xffffffff
return (ipaddr & mask) == (netaddr & mask)
def FindLocalIP(Iface):
return OURIP