├── .gitignore ├── INSTALL ├── README.md ├── TODO ├── bunnyChat.py ├── gpl.txt ├── keys.kz ├── libbunny ├── AEScrypt.py ├── SendRec.py ├── Templates.py ├── TrafficModel.py ├── __init__.py ├── bunny.py └── config.py ├── proposal.txt └── testScripts ├── drivers.py ├── mod.py ├── readpck.py ├── simplesend.py └── test.conf /.gitignore: -------------------------------------------------------------------------------- 1 | *.pyc 2 | *.sublime-project 3 | *.sublime-workspace -------------------------------------------------------------------------------- /INSTALL: -------------------------------------------------------------------------------- 1 | download lorcon: 2 | git clone https://code.google.com/p/lorcon/ 3 | 4 | cd lorcon 5 | ./configure --prefix=/usr 6 | - You will also need 'libpcap-dev' package 7 | make 8 | make install 9 | 10 | Download pylorcon2 (the one on google code) 11 | sudo python setup.py install 12 | - For this step you will need the python headers, on debian try installing 'python-dev' package 13 | 14 | repeat for: 15 | -pcapy 16 | -pcrypto 17 | -keyczar 18 | -pyasn1 (If you have 'python-setuptools' installed just run: 'easy_install pyasn1') 19 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | #Bunny 2 | Bunny is intended to act as a layer 1/2 technology that attempts to hide its wireless mesh communication traffic. 3 | Bunny wraps all data in and out in a layer of obfuscation. It does this by passively listening to 4 | the local wireless and building a model of 'average' traffic. Then using this model, it hides small 5 | snippets of data within various fields of the 802.11 protocol that are either poorly defined or 6 | prone to contain data that mutates a lot. These fields will include but are not limited to, vendor 7 | data, data packets of encrypted networks, duration fields. 8 | 9 | 10 | For full whitepaper like decription of Bunny, check proposal.txt. 11 | 12 | 13 | You need a monitor/injection capable wireless chipset. Please check the aircrack website for 14 | compatible cards. 15 | 16 | 17 | ##Tested chipsets / cards: 18 | rtl8187 - Alfa AWUS036NH 19 | Note: These are by far the WORST chipsets on the market, the RX sensitivity makes them almost worless for any kind of application besides cracking WEP passwords. 20 | ath9k_htc - TP-LINK tl-wn722n 21 | rt2800usb - 5370 Chipset (sold with raspberry pi's) 22 | Note: Bunny works well on raspberry pi's 23 | 24 | ##Configuration 25 | Configuring bunny is as simple as editing the "libbunny/config.py" file 26 | 27 | The most important item to modify is the IFACE varible, this sets which wireless interface you will use for Bunny. 28 | 29 | Also if you wish to run a non-testing network, delete the 'keys.kz' file and bunny will make a new one with random values. 30 | Distribute this file to the peers on your network. Also Modulus and Remainder values should be changed as well, 31 | for help generating mod/remain vaules check testScripts/mod.py 32 | 33 | ##Usage (bunnyChat.py example code) 34 | 35 | sudo python bunnyChat.py 36 | 37 | -l -- Listen mode, gets packets and prints data 38 | -s [data] -- Send mode, sends packets over and over 39 | -m -- Passive profiling of all the channels (1-11) 40 | -c [UserName] -- Chat client mode 41 | -r -- Reloop shows the mod/remainder of the specified channel 42 | -p -- Ping/Pong testing, Run this on one machine and it will 43 | respond with a pong. 44 | -k -- Ping server mode, will repsond to pings with pong and current time 45 | 46 | ##Usage of the module 47 | import libbunny 48 | 49 | bunny = libbunny.Bunny() 50 | bunny.sendBunny(DATA) 51 | 52 | while True: 53 | print bunny.recvBunny() 54 | bunny.killBunny() 55 | 56 | The modules aspect of Bunny is under-developed currently, the key file needs to be more controlable through the API 57 | and BunnyExceptions need to be built out and used 58 | 59 | ##Dependencies 60 | 61 | pycrypto 62 | keyczar 63 | pyasn1 64 | lorcon2 (current) 65 | pylorcon2 (https://code.google.com/p/pylorcon2/) 66 | pcapy 67 | 68 | ##Installation 69 | Check INSTALL file 70 | 71 | ##TODO 72 | 73 | Routing layers and support for projects to be built ontop of what I have done 74 | like cjdns and others 75 | 76 | Attempt to make a bunny tun device so testing with the batman-adv kernal module. 77 | 78 | Create a packaged version with dependencies to reduce the install time. 79 | 80 | ##Bugs 81 | Due to this (https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=500041) bug in pcapy, at least on Arch linux I had to NOT use the offical upstream but the packaged AUR here: https://aur.archlinux.org/packages/python2-pcapy/ 82 | 83 | Sometimes on ubuntu there is a rfkill block when trying to bring up an interface and you might see: 84 | SIOCSIFFLAGS: Operation not possible due to RF-kill 85 | 86 | you can solve this temporarly by: 87 | sudo rfkill unblock wifi -------------------------------------------------------------------------------- /TODO: -------------------------------------------------------------------------------- 1 | - Ping server mode does not close when given ctl+c 2 | - Add a warning to the user if when building the model, no implemented packet types are found. 3 | 1. Add a y/n for scanning for a longer time? 4 | -Not very module like. 5 | 2. Make a BunnyError class so we can raise shit like this. 6 | - Why is the round trip for pings 0.1s on a Raspberry pi? 7 | 1. Profile 8 | 2. Speed up 9 | - Clean up Bunny/Traffic model to be more module like. 10 | 11 | -------------------------------------------------------------------------------- /bunnyChat.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | # 4 | # bunnyChat.py 5 | # 6 | # Copyright 2013 W. Parker Thompson 7 | # 8 | # This file is part of Bunny. 9 | # 10 | # Bunny is free software: you can redistribute it and/or modify 11 | # it under the terms of the GNU General Public License as published by 12 | # the Free Software Foundation, either version 3 of the License, or 13 | # (at your option) any later version. 14 | # 15 | # Bunny is distributed in the hope that it will be useful, 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | # GNU General Public License for more details. 19 | # 20 | # You should have received a copy of the GNU General Public License 21 | # along with Bunny. If not, see . 22 | 23 | import libbunny 24 | import threading, getopt, sys, time 25 | 26 | def usage(): 27 | """ 28 | 29 | print out usage 30 | 31 | """ 32 | print "BunnyChat.py [COMANDS]" 33 | print " MODES:" 34 | print " -c [UserName] -- Chat client mode" 35 | print " -l -- Listen mode, gets packets and prints data" 36 | print " -s [data] -- Send mode, sends packets over and over" 37 | print " -m -- Passive profiling of all the channels (1-11)" 38 | print " -r -- Reloop shows the mod/remainder of the specified channel" 39 | print " -p -- Ping/Pong testing, Run this on one machine and it will" 40 | print " respond with a pong." 41 | print " -k -- Ping server mode, will repsond to pings with pong and current time" 42 | print " -h -- Shows this message" 43 | print "" 44 | # print " OPTIONS:" 45 | 46 | 47 | def main(): 48 | listen_mode = send_mode = scan_chans_mode = chat_mode = ping_mode_serv = ping_mode_client = reloop_mode = False 49 | 50 | # parse arguments 51 | try: 52 | opts, args = getopt.getopt(sys.argv[1:],"hlrmkpc:s:f:") 53 | except getopt.GetoptError as err: 54 | print str(err) 55 | usage() 56 | sys.exit(1) 57 | for opt, arg in opts: 58 | if opt == "-h": 59 | usage() 60 | sys.exit(0) 61 | elif opt == "-l": 62 | listen_mode = True 63 | elif opt == "-r": 64 | reloop_mode = True 65 | elif opt == "-s": 66 | send_mode = True 67 | send_data = arg 68 | elif opt == "-m": 69 | scan_chans_mode = True 70 | elif opt == "-c": 71 | UserName = arg 72 | chat_mode = True 73 | elif opt == "-k": 74 | ping_mode_serv = True 75 | elif opt == "-p": 76 | ping_mode_client = True 77 | if listen_mode: 78 | print "Bunny in listen mode" 79 | print "Building model: . . . " 80 | bunny = libbunny.Bunny() 81 | print "Bunny model built and ready to listen" 82 | while True: 83 | print bunny.recvBunny() 84 | bunny.killBunny() 85 | elif reloop_mode: 86 | #bunny = libbunny.Bunny() 87 | inandout = libbunny.SendRec() 88 | inandout.reloop() 89 | 90 | elif send_mode: 91 | if send_data is not None: 92 | bunny = libbunny.Bunny() 93 | print "Bunny model built" 94 | bunny.model.printTypes() 95 | bunny.model.printMacs() 96 | print "sending message: %s" % send_data 97 | bunny.sendBunny(send_data) 98 | 99 | while True: 100 | print "again? [Y/N]" 101 | input = sys.stdin.readline() 102 | if input == "Y\n" or input == "y\n": 103 | print "sending message: %s" % send_data 104 | bunny.sendBunny(send_data) 105 | elif input == "N\n" or input == "n\n": 106 | bunny.killBunny() 107 | sys.exit() 108 | else: 109 | print usage() 110 | sys.exit() 111 | 112 | elif chat_mode: 113 | print "chat client mode:" 114 | print "building traffic model: . . " 115 | bunny = libbunny.Bunny() 116 | 117 | print "built traffic model" 118 | bunny.model.printTypes() 119 | bunny.model.printMacs() 120 | print "starting threads: " 121 | 122 | # create list of threads 123 | # one thread for input and the other for output. 124 | # both use stdin or stdout 125 | workers = [StdInThread(bunny, UserName), BunnyThread(bunny, UserName)] 126 | 127 | for worker in workers: 128 | worker.daemon = True 129 | worker.start() 130 | 131 | # loop through every 3 seconds and check for dead threads 132 | while True: 133 | for worker in workers: 134 | if not worker.isAlive(): 135 | bunny.killBunny() 136 | sys.exit() 137 | time.sleep(3) 138 | 139 | elif scan_chans_mode: 140 | for c in range(1,12): 141 | chan = c 142 | print "\nChannel: %d" % chan 143 | bunny = libbunny.Bunny() 144 | bunny.model.printTypes() 145 | #bunny.model.printMacs() 146 | bunny.killBunny() 147 | 148 | elif ping_mode_serv: 149 | import struct 150 | 151 | bunny = libbunny.Bunny() 152 | print "Model completed, ready to play pong" 153 | while True: 154 | text = bunny.recvBunny() 155 | if text.find("ping") != -1: 156 | bunny.sendBunny(struct.pack("4sfs", "pong", time.time(), "\xff")) 157 | print "Pong sent" 158 | 159 | bunny.killBunny() 160 | 161 | elif ping_mode_client: 162 | import struct 163 | 164 | total = 10.0 165 | bunny = libbunny.Bunny() 166 | count = 0 167 | avg_time = 0 168 | for num in range(0, int(total)): 169 | send_time = time.time() 170 | bunny.sendBunny("ping") 171 | text = bunny.recvBunny(2) 172 | if text is not False: 173 | #print text 174 | try: 175 | pong, mid_time, pad = struct.unpack("4sfs", text) 176 | 177 | if pong == "pong": 178 | in_time = time.time() - send_time 179 | avg_time += in_time 180 | count += 1 181 | print "got pong!" 182 | print "Travel time: %f\n" % (in_time) 183 | 184 | except struct.error as err: 185 | if text.find("ping") != -1: 186 | print "got ping, wtf!" 187 | else: 188 | print "bad data" 189 | else: 190 | print "ping timeout" 191 | time.sleep(0.1) 192 | #time.sleep(0.01) 193 | print "received: %d packets" % (count) 194 | try: 195 | print "Percent recv'd: %02f%s" % (count * 100.0/ total, "%") 196 | print "Mean time: %f" % (avg_time / count) 197 | except ZeroDivisionError: 198 | pass 199 | bunny.killBunny() 200 | 201 | else: 202 | usage() 203 | sys.exit() 204 | 205 | # quick and dirty threading for the send/rec chat client mode. 206 | class StdInThread(threading.Thread): 207 | """ 208 | 209 | Thread class for reading from STDIN 210 | 211 | """ 212 | # takes the bunny object as an argument 213 | def __init__(self, bunny, username): 214 | self.bunny = bunny 215 | self.username = username 216 | threading.Thread.__init__(self) 217 | def run (self): 218 | print "ready to read! (type: /quit to kill)" 219 | while True: 220 | input = sys.stdin.readline().strip("\n") 221 | if input == "/quit": 222 | break 223 | # send with UserName and a trailer to prevent the stripping of 'A's as padding 224 | # see the comment in the __init__() in AEScrypt 225 | self.bunny.sendBunny(self.username + ": " + input + "\xff") 226 | 227 | class BunnyThread(threading.Thread): 228 | """ 229 | 230 | Thread class for reading from the bunny interface 231 | 232 | """ 233 | # takes the bunny object as an argument 234 | def __init__(self, bunny, username): 235 | self.bunny = bunny 236 | self.username = username 237 | threading.Thread.__init__(self) 238 | def run (self): 239 | # Standard calling should look like this: 240 | while True: 241 | text = self.bunny.recvBunny() 242 | # if we get our own UserName do not display it, 243 | # FIX THIS 244 | if text.split(":")[0] == self.username: 245 | continue 246 | else: 247 | # strip out the ending char. 248 | print text.rstrip("\xff") 249 | 250 | 251 | if __name__ == "__main__": 252 | main() 253 | -------------------------------------------------------------------------------- /gpl.txt: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /keys.kz: -------------------------------------------------------------------------------- 1 | {"hmacKey": {"hmacKeyString": "OBuhE8O6opR6-ig0CIfUKeABXqzFE-YxsfgtfG7bC-k", "size": 256}, "aesKeyString": "9ZETqUrrUpJ0u0hjvWuR0g", "mode": "CBC", "size": 128} -------------------------------------------------------------------------------- /libbunny/AEScrypt.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | # 4 | # bunny.py 5 | # 6 | # Copyright 2013 W. Parker Thompson 7 | # 8 | # This file is part of Bunny. 9 | # 10 | # Bunny is free software: you can redistribute it and/or modify 11 | # it under the terms of the GNU General Public License as published by 12 | # the Free Software Foundation, either version 3 of the License, or 13 | # (at your option) any later version. 14 | # 15 | # Bunny is distributed in the hope that it will be useful, 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | # GNU General Public License for more details. 19 | # 20 | # You should have received a copy of the GNU General Public License 21 | # along with Bunny. If not, see . 22 | 23 | import os, sys, struct 24 | 25 | from keyczar.errors import InvalidSignatureError 26 | from keyczar.keys import AesKey 27 | 28 | from config import * 29 | 30 | class AEScrypt: 31 | """ 32 | 33 | Class for encrypting and decrypting AES256 data. 34 | 35 | """ 36 | 37 | def __init__(self): 38 | # check if the key.kz file exists 39 | try: 40 | with open("keys.kz", "r") as fd: 41 | data = fd.read() 42 | except IOError: 43 | print "ERROR: no key file found, generating the file" 44 | self.key = AesKey.Generate() 45 | with open("keys.kz", "w+") as fd: 46 | fd.write(str(self.key)) 47 | else: 48 | self.key = AesKey.Read(data) 49 | if DEBUG: 50 | print self.key.key_string 51 | print self.key.hmac_key 52 | 53 | # If keyczar changes their header format this would need to change: 54 | # 5 bytes for the header and 16 for the IV 55 | self.header_len = 5 + 16 56 | self.block_len = self.key.block_size 57 | self.hmac_len = self.key.hmac_key.size/8 58 | self.overhead = self.header_len + self.hmac_len 59 | 60 | def encrypt(self, data): 61 | 62 | # returns a block of string of cipher text. 63 | output = self.key.Encrypt(data) 64 | return output 65 | 66 | def decrypt(self, data): 67 | 68 | try: 69 | output = self.key.Decrypt(data) 70 | except InvalidSignatureError: 71 | if DEBUG: 72 | print "ERROR: Invalid Signature, either there was a corruption or there was an attempted attack" 73 | return False 74 | except: 75 | # TODO: what exception is causing this? 76 | print "ERROR: Failed to decrypt the packet" 77 | if DEBUG: 78 | print "Exception: \n" + str(sys.exc_info()[0]) 79 | return False 80 | 81 | return output 82 | 83 | -------------------------------------------------------------------------------- /libbunny/SendRec.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | # 4 | # bunny.py 5 | # 6 | # Copyright 2013 W. Parker Thompson 7 | # 8 | # This file is part of Bunny. 9 | # 10 | # Bunny is free software: you can redistribute it and/or modify 11 | # it under the terms of the GNU General Public License as published by 12 | # the Free Software Foundation, either version 3 of the License, or 13 | # (at your option) any later version. 14 | # 15 | # Bunny is distributed in the hope that it will be useful, 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | # GNU General Public License for more details. 19 | # 20 | # You should have received a copy of the GNU General Public License 21 | # along with Bunny. If not, see . 22 | 23 | import struct, time, pipes, subprocess 24 | 25 | import PyLorcon2 26 | from pcapy import open_live, PcapError 27 | 28 | from config import * 29 | 30 | class SendRec: 31 | """ 32 | 33 | Main IO functionality of bunny, using pcapy and lorcon to do send and receive. 34 | 35 | """ 36 | 37 | # Helper functions for modifiing the state of the iface. 38 | def setmonitor(self, iface, monitor=True): 39 | mode = "monitor" 40 | if not monitor: 41 | mode = "managed" 42 | 43 | # I don't like this, it feels hacky 44 | subprocess.call(["ifconfig", pipes.quote(iface), "down"]) 45 | subprocess.call(["iwconfig", pipes.quote(iface), "mode", mode]) 46 | subprocess.call(["ifconfig", pipes.quote(iface), "up"]) 47 | 48 | 49 | def __init__(self): 50 | try: 51 | self.lorcon = PyLorcon2.Context(IFACE) 52 | except PyLorcon2.Lorcon2Exception as err: 53 | print "Error creating lorcon object: " 54 | print str(err) 55 | exit() 56 | 57 | self.setmonitor(IFACE, monitor=True) 58 | try: 59 | self.lorcon.open_injmon() 60 | except PyLorcon2.Lorcon2Exception as err: 61 | print "Error while setting injection mode, are you root?" 62 | print str(err) 63 | exit() 64 | 65 | self.lorcon.set_channel(CHANNEL) 66 | 67 | 68 | # Quick definitions for pcapy 69 | MAX_LEN = 1514 # max size of packet to capture 70 | PROMISCUOUS = 1 # promiscuous mode? 71 | READ_TIMEOUT = 0 # in milliseconds, I found that 0 does not tend to block 72 | # in the way I had assumed and you get a NULL pcap error from: 73 | # https://github.com/CoreSecurity/pcapy/blob/master/pcapobj.cc#L215 74 | MAX_PKTS = 1 # number of packets to capture; 0 => no limit 75 | 76 | try: 77 | self.pcapy = open_live(IFACE, MAX_LEN, PROMISCUOUS, READ_TIMEOUT) 78 | except PcapError as err: 79 | print "Error creating pcapy descriptor, try turning on the target interface or setting it to monitor mode" 80 | print str(err) 81 | 82 | def updateChan(self, channel): 83 | """ 84 | 85 | Updates the current channel 86 | 87 | """ 88 | self.lorcon.set_channel(channel) 89 | 90 | # These send/rec functions should be used in hidden / paranoid mode. 91 | def sendPacket(self, data): 92 | if data is not None: 93 | try: 94 | self.lorcon.send_bytes(data) 95 | except PyLorcon2.Lorcon2Exception as err: 96 | print "ERROR sending packet: " 97 | print str(err) 98 | def recPacket_timeout(self, fcs): 99 | """ 100 | return the raw packet if the mod/remain value is correct. 101 | returns False upon a timeout 102 | 103 | """ 104 | start_t = time.time() 105 | while(time.time() - start_t < TIMEOUT): 106 | try: 107 | header, rawPack = self.pcapy.next() 108 | except PcapError: 109 | # This exists because on some hardware, instead of blocking for a packet 110 | # the pcap layer will return a null packet buffer and no error message. 111 | continue 112 | 113 | if rawPack is None: 114 | continue 115 | # H = unsigned short 116 | size = struct.unpack("= 18: 122 | rawPack = rawPack[size:] 123 | size = len(rawPack) 124 | # subtract the FCS to account for the radiotap header adding a CRC32 125 | if (round( (size - fcs) % MODULUS, 2) == REMAINDER): 126 | return rawPack 127 | else: 128 | return False 129 | 130 | def reloop(self): 131 | """ 132 | This exists only for testing purposes. 133 | To ensure proper packets are read properly and at a high enough rate. 134 | """ 135 | count = 0 136 | packNum = 200 137 | startTime = time.time() 138 | for n in range(packNum): 139 | header, rawPack = self.pcapy.next() 140 | if rawPack is None: 141 | continue 142 | # H = unsigned short 143 | size = struct.unpack("= 18: 149 | rawPack = rawPack[size:] 150 | size = len(rawPack) 151 | # subtract the FCS to account for the radiotap header adding a CRC32 152 | if (round( (size - 4) % MODULUS, 2) == REMAINDER): 153 | print "pack num: %d, " % n 154 | endTime = time.time() 155 | totalTime = endTime - startTime 156 | packPerSec = packNum / totalTime 157 | print "Total Packets (p/s): %s" % packPerSec 158 | 159 | def recvRaw(self): 160 | """ Returns packet 161 | 162 | RadioTap headers included 163 | 164 | """ 165 | while True: 166 | try: 167 | header, rawPack = self.pcapy.next() 168 | except PcapError: 169 | # This exists because on some hardware, instead of blocking for a packet 170 | # the pcap layer will return a null packet buffer and no error message. 171 | continue 172 | 173 | if rawPack is None: 174 | if DEBUG: 175 | print 'got a nothing packet, possible issue with pcapy that is mentioned in README' 176 | 177 | return rawPack 178 | 179 | def close(self): 180 | """ 181 | Clean things up 182 | """ 183 | self.lorcon.close() 184 | self.setmonitor(IFACE, monitor=False) -------------------------------------------------------------------------------- /libbunny/Templates.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | # 4 | # bunny.py 5 | # 6 | # Copyright 2013 W. Parker Thompson 7 | # 8 | # This file is part of Bunny. 9 | # 10 | # Bunny is free software: you can redistribute it and/or modify 11 | # it under the terms of the GNU General Public License as published by 12 | # the Free Software Foundation, either version 3 of the License, or 13 | # (at your option) any later version. 14 | # 15 | # Bunny is distributed in the hope that it will be useful, 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | # GNU General Public License for more details. 19 | # 20 | # You should have received a copy of the GNU General Public License 21 | # along with Bunny. If not, see . 22 | 23 | import struct, random, os 24 | 25 | from config import * 26 | 27 | def generate_seqnumb(): 28 | return struct.pack("= 4): 94 | id = packet[:1] 95 | length, = struct.unpack("B", packet[1:2]) 96 | value = packet[2:length+2] 97 | self.tags.append([id, length, value]) 98 | if id == "\xdd": 99 | self.vendors.append([value[:3]]) 100 | packet = packet[length + 2:] 101 | 102 | #self.SSID = self.tagGrabber("\x00") 103 | 104 | # design problem here, after attempting dynamic lengths for the injection 105 | # fields I relized that for interconnectivity between clients I need to hardcode 106 | # injection lengths. So the vendor tag is 24 bytes of data: 107 | self.injectable = 26 + 2 108 | 109 | def makePacket(self, inject_data): 110 | """ 111 | 112 | Creates and returns a beacon packet from the inject_data input 113 | inject_data must be of length Beacon.injectable 114 | 115 | injectable fields are: 116 | capabilities, 2nd to last vendor tags. 117 | 118 | NOTE: sequence_num had to be removed due to an issue with the AR9271 firmware, see: 119 | https://github.com/qca/open-ath9k-htc-firmware/issues/16 120 | 121 | """ 122 | 123 | self.sequence_num = generate_seqnumb() 124 | 125 | # timestamp needs more testing. 126 | outbound = self.type + self.frame_control + self.duration + self.BSSID + self.SA + self.DA + self.sequence_num + self.timestamp + self.beacon_interval + inject_data[0:2] 127 | 128 | for i in range(0, len(self.tags)-2): 129 | outbound = outbound + self.tags[i][0] + struct.pack(" 0: 148 | tag = ["\xdd", 0, self.vendors[random.randrange(0, len(self.vendors))][0]] 149 | else: 150 | tag = ["\xdd", 0, ""] 151 | 152 | #while( round((len(outpack) + tag[1] + 2 + RADIOTAPLEN) % MODULUS, 2) != REMAINDER): 153 | while( round((len(outpack) + tag[1] + 2) % MODULUS, 2) != REMAINDER): 154 | tag[2] = tag[2] + os.urandom(1) 155 | tag[1] = len(tag[2]) 156 | 157 | # + 4 if for eating the checksum that for w/e reason gets parsed as a tag. 158 | outpack = outpack + tag[0] + struct.pack("B", tag[1]) + tag[2] 159 | 160 | return outpack 161 | 162 | def decode(self, input): 163 | 164 | # sequence num 165 | #output = input[22:24] 166 | 167 | # capabilities. 168 | output = input[34:36] 169 | 170 | temp_tags = [] 171 | input = input[36:] 172 | data_size = len(input) 173 | 174 | # protect from non-Bunny packets 175 | if data_size < 4: 176 | return False 177 | 178 | # loop through and grab the second to last vendor tag 179 | while (len(input) >= 4): 180 | id = input[:1] 181 | length, = struct.unpack("B", input[1:2]) 182 | value = input[2:length+2] 183 | temp_tags.append([id, length, value]) 184 | input = input[length + 2:] 185 | 186 | value_chunk = temp_tags[len(temp_tags) - 2][2] 187 | 188 | # Fail design: 189 | #if value_chunk == self.tags[len(self.tags)-2]: 190 | # return False 191 | 192 | #if DEBUG: 193 | # print "Value_chuck: " + binascii.hexlify(value_chunk) 194 | output = output + value_chunk 195 | 196 | return output 197 | 198 | def tagGrabber(self, id): 199 | """ 200 | 201 | return the whole tag from an array of tags by its tag id 202 | 203 | """ 204 | for entry in self.tags: 205 | if (entry[0] == id): 206 | return entry 207 | class DataQOS: 208 | """ 209 | 210 | Template to hold a example Data packet type, currently we only support simple LLC 211 | packets for injection, encrypted data needs to be included. 212 | 213 | """ 214 | injectable = 0 215 | 216 | # 802.11 217 | type = "" 218 | frame_control = "" 219 | duration = "" 220 | BSSID = "" 221 | SA = "" 222 | DA = "" 223 | sequence_num = "" 224 | QOS = "" 225 | crypto = "" 226 | 227 | # LLC 228 | 229 | 230 | def __init__(self, packet): 231 | # For a speed up we could use the struct.unpack() method 232 | # self.type, self.frame_control, struct.unpack("", packet) 233 | self.type = packet[0:1] 234 | self.frame_control = packet[1:2] 235 | self.duration = packet[2:4] 236 | self.BSSID = packet[4:10] 237 | self.SA = packet[10:16] 238 | self.DA = packet[16:22] 239 | self.sequence_num = packet[22:24] 240 | self.QOS = packet[24:26] 241 | self.databody = packet[26:] 242 | 243 | # TODO: dynamic lengths of injectable data. randomly? 244 | # Temp size is 40 bytes 245 | self.injectable = 40 246 | 247 | def makePacket(self, inject_data): 248 | """ 249 | 250 | Make a QOS data packet with injected data, fields are: Sequence num and databody 251 | 252 | """ 253 | self.sequence_num = generate_seqnumb() 254 | 255 | outbound = self.type + self.frame_control + self.duration+ self.BSSID + self.SA + self.DA + self.sequence_num + self.QOS 256 | 257 | outbound = outbound + struct.pack("B", len(inject_data)) + inject_data 258 | 259 | outbound = self.resize(outbound) 260 | return outbound 261 | 262 | def resize(self, outpack): 263 | 264 | while(round( (len(outpack)) % MODULUS, 2) != REMAINDER): 265 | outpack = outpack + os.urandom(1) 266 | return outpack 267 | 268 | def decode(self, input): 269 | 270 | # If the packet is not 27 bytes long it does not have any data in it. return false 271 | if len(input) < 27: 272 | return False 273 | 274 | # read the databody up to the size of the byte of length 275 | size, = struct.unpack("B", input[26:27]) 276 | output = input[27:size+27] 277 | return output 278 | class ProbeRequest: 279 | """ 280 | 281 | ProbeRequst packet type template, injectable fields are sequence number and SSID. 282 | 283 | """ 284 | injectable = 0 285 | tags = [] 286 | vendors = [] 287 | 288 | type = "" 289 | frame_control = "" 290 | duration = "" 291 | BSSID = "" 292 | SA = "" 293 | DA = "" 294 | sequence_num = "" 295 | 296 | def __init__(self, packet): 297 | # For a speed up we could use the struct.unpack() method 298 | # self.type, self.frame_control, struct.unpack("", packet) 299 | self.type = packet[0:1] 300 | self.frame_control = packet[1:2] 301 | self.duration = packet[2:4] 302 | self.DA = packet[4:10] 303 | self.SA = packet[10:16] 304 | self.BSSID = packet[16:22] 305 | self.sequence_num = packet[22:24] 306 | 307 | packet = packet[24:] 308 | 309 | while (len(packet) >= 4): 310 | id = packet[:1] 311 | length, = struct.unpack("B", packet[1:2]) 312 | value = packet[2:length+2] 313 | self.tags.append([id, length, value]) 314 | if id == "\xdd": 315 | self.vendors.append([value[:3]]) 316 | packet = packet[length + 2:] 317 | 318 | # in the event there is zero vendor tags, make one up. 319 | if len(self.vendors) == 0: 320 | self.vendors.append([os.urandom(3)]) 321 | 322 | # ProbeRequests get the data injected into the ssid's 323 | # and are resized by a vendor tag, default SSID length is 12, again 324 | # possibly signatureable. 325 | self.injectable = 12 326 | 327 | def makePacket(self, inject_data): 328 | """ 329 | 330 | Creates a packet with injected encrypted data. 331 | 332 | Inject data into the SSID field, this should be considered for modification to a vendor field 333 | 334 | """ 335 | 336 | self.sequence_num = generate_seqnumb() 337 | 338 | outbound = self.type + self.frame_control + self.duration + self.DA + self.SA + self.BSSID + self.sequence_num 339 | outbound = outbound + "\x00" + struct.pack("= 4): 379 | id = input[:1] 380 | length, = struct.unpack("B", input[1:2]) 381 | value = input[2:length+2] 382 | temp_tags.append([id, length, value]) 383 | input = input[length + 2:] 384 | 385 | # Check the SSID tag for sanity, 386 | for tag, length, value in temp_tags: 387 | if tag == "\x00": 388 | if length == 0: 389 | return False 390 | else: 391 | return value 392 | break 393 | return False 394 | 395 | def tagGrabber(self, id): 396 | """ 397 | 398 | return the whole tag from an array of tags by its tag id 399 | 400 | """ 401 | for entry in self.tags: 402 | if (entry[0] == id): 403 | return entry 404 | 405 | -------------------------------------------------------------------------------- /libbunny/TrafficModel.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | # 4 | # bunny.py 5 | # 6 | # Copyright 2013 W. Parker Thompson 7 | # 8 | # This file is part of Bunny. 9 | # 10 | # Bunny is free software: you can redistribute it and/or modify 11 | # it under the terms of the GNU General Public License as published by 12 | # the Free Software Foundation, either version 3 of the License, or 13 | # (at your option) any later version. 14 | # 15 | # Bunny is distributed in the hope that it will be useful, 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | # GNU General Public License for more details. 19 | # 20 | # You should have received a copy of the GNU General Public License 21 | # along with Bunny. If not, see . 22 | 23 | import time, struct, operator, binascii, random 24 | 25 | # This is indicative of object reuse. 26 | from SendRec import * 27 | from Templates import * 28 | 29 | class TrafficModel(): 30 | """ 31 | 32 | Builds a model of current traffic that can be used at a later time to make packets. 33 | 34 | """ 35 | # In network byte order 36 | # If you do a lookup on this table and dont find a match it is probly 37 | # a 'reserved' type. 38 | Dot11_Types = { 39 | # management 40 | "assocReq": "\x00", 41 | "assocRes": "\x10", 42 | "reAssocReq": "\x20", 43 | "reAssocRes": "\x30", 44 | "probeReq": "\x40", 45 | "probeRes": "\x50", 46 | "beacon": "\x80", 47 | "ATIM": "\x90", 48 | "disAssoc": "\xa0", 49 | "auth": "\xb0", 50 | "deAuth": "\xc0", 51 | "action": "\xd0", 52 | 53 | # control 54 | "blockAckReq": "\x81", 55 | "blockAck": "\x91", 56 | "PSPoll": "\xa1", 57 | "RTS": "\xb1", 58 | "CTS": "\xc1", 59 | "ACK": "\xd1", 60 | "ACK2": "\xd4", 61 | "CFend": "\xe1", 62 | "CFendCFack": "\xf1", 63 | 64 | # data 65 | "data": "\x02", 66 | "data-CFAck": "\x12", 67 | "data-CFPoll": "\x22", 68 | "data-CFAckPoll": "\x32", 69 | "dataNULL": "\x42", 70 | "dataNULLfunc": "\x48", 71 | "data-CFAckNULL": "\x52", 72 | "data-CFPollNULL": "\x62", 73 | "data-CFAckPollNULL": "\x72", 74 | "dataQOS": "\x82", 75 | "dataQOS2": "\x88", 76 | "dataQOS-CFAck": "\x92", 77 | "dataQOS-CFPoll": "\xa2", 78 | "dataQOS-CFAckPoll": "\xb2", 79 | "dataQOSNULL": "\x82", # wtf why? 80 | "dataQOS-CFPollNULL": "\xe2", 81 | "dataQOS-CFAckPollNULL": "\xf2", 82 | } 83 | 84 | # Model attributes: 85 | # -Type ranges 86 | # -MAC addresses 87 | # - 88 | # raw packets 89 | data = [] 90 | 91 | # [type, freq, template, injectlen] 92 | type_ranges = [] 93 | 94 | # [addr, freq, AP(bool)] 95 | mac_addresses = [] 96 | 97 | # FCS is the number of bytes for the Checksum if it is found in stripRadioTap() 98 | FCS = 0 99 | 100 | def __init__(self): 101 | """ 102 | 103 | Starts up the model, collects data and inserts it into its respective lists 104 | 105 | """ 106 | # clear any old data 107 | self.mac_addresses = [] 108 | self.type_ranges = [] 109 | self.data = [] 110 | 111 | # spin up and build the model 112 | self.interface = SendRec() 113 | self.collectData() 114 | self.stripRadioTap() 115 | self.extractModel() 116 | self.insertTemplates() 117 | 118 | def collectData(self): 119 | """ 120 | 121 | Collect packets for the pre determined amount of time. 122 | 123 | """ 124 | start_time = time.time() 125 | current_time = start_time 126 | 127 | # caplength is a glocal var from config. 128 | while ( (current_time - start_time) < CAPLENGTH): 129 | packet = self.interface.recvRaw() 130 | self.data.append(packet) 131 | current_time = time.time() 132 | 133 | def stripRadioTap(self): 134 | """ 135 | Strips the RadioTap header info out of the packets are replaces the data 136 | list with the new packets. 137 | 138 | It also checks if this hardware has FCS (Frame Check sums's) at the end 139 | """ 140 | temp_data = [] 141 | 142 | # Check for FCS flag in the radiotap header 143 | flags = self.data[0][4:8] 144 | flags = struct.unpack("i", flags)[0] 145 | 146 | # bval idx 147 | if ((flags & (1 << 0)) != 0): 148 | subflags = self.data[0][16:17] 149 | subflags = struct.unpack("B", subflags)[0] 150 | else: 151 | subflags = self.data[0][8:9] 152 | subflags = struct.unpack("B", subflags)[0] 153 | 154 | if ((flags & (1 << 1)) != 0): 155 | if ((subflags & (1 << 4)) != 0): 156 | self.FCS = 4 157 | 158 | if DEBUG: 159 | print "FCS: %s" % (self.FCS) 160 | # now strip the headers. 161 | for packet in self.data: 162 | sizeHead = struct.unpack(" num: 359 | break 360 | return entry 361 | -------------------------------------------------------------------------------- /libbunny/__init__.py: -------------------------------------------------------------------------------- 1 | __all__ = ["bunny", "AEScrypt", "SendRec", "Templates", "TrafficModel"] 2 | 3 | from bunny import * 4 | from AEScrypt import * 5 | from SendRec import * 6 | from Templates import * 7 | from TrafficModel import * 8 | from config import * 9 | -------------------------------------------------------------------------------- /libbunny/bunny.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | # 4 | # bunny.py 5 | # 6 | # Copyright 2013 W. Parker Thompson 7 | # 8 | # This file is part of Bunny. 9 | # 10 | # Bunny is free software: you can redistribute it and/or modify 11 | # it under the terms of the GNU General Public License as published by 12 | # the Free Software Foundation, either version 3 of the License, or 13 | # (at your option) any later version. 14 | # 15 | # Bunny is distributed in the hope that it will be useful, 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | # GNU General Public License for more details. 19 | # 20 | # You should have received a copy of the GNU General Public License 21 | # along with Bunny. If not, see . 22 | 23 | 24 | import threading, Queue, binascii 25 | 26 | from AEScrypt import * 27 | from SendRec import * 28 | from Templates import * 29 | from TrafficModel import * 30 | from config import * 31 | 32 | 33 | # So this is the heart and soul of bunny and also the biggest mess in the code base. 34 | # if anyone wants to look over my use of threads, queue and deques it would be lovely 35 | # to get some feedback and if anyone thinks there is a way to speed this up it would help. 36 | 37 | class Bunny: 38 | """ 39 | 40 | High level send and receive for wrapping all the lower-level functions of bunny in paranoid mode. 41 | 42 | """ 43 | 44 | def __init__(self): 45 | """ 46 | 47 | Setup and build the bunny model and starts the read_packet_thread() 48 | 49 | """ 50 | 51 | self.inandout = SendRec() 52 | self.cryptor = AEScrypt() 53 | self.model = TrafficModel() 54 | 55 | # each item should be an full bunny message that can be passed to the .decrypt() method 56 | # TODO: put a upper bound of number of messages or a cleanup thread to clear out old messages 57 | # if not consumed. 58 | self.msg_queue = Queue.LifoQueue() 59 | 60 | # The out queue is a FiFo Queue because it maintaines the ordering of the bunny data 61 | # format: [data, Bool (relay or not)] 62 | self.out_queue = Queue.Queue() 63 | 64 | # The Deque is used because it is a thread safe iterable that can be filled with 'seen' 65 | # messages between the send and recv threads. 66 | self.msg_deque = [] 67 | 68 | # init the threads and name them 69 | self.workers = [BunnyReadThread(self.msg_queue, self.out_queue, self.inandout, self.model, self.cryptor), \ 70 | BroadCaster(self.out_queue, self.inandout, self.model)] 71 | self.workers[0].name = "BunnyReadThread" 72 | self.workers[1].name = "BroadCasterThread" 73 | 74 | # spin up the threads 75 | for worker in self.workers: 76 | worker.daemon = True 77 | worker.start() 78 | 79 | #TODO: can I add a 'isAlive()' checking loop here? 80 | 81 | def sendBunny(self, packet): 82 | """ 83 | 84 | Send a Bunny (paranoid) packet 85 | 86 | """ 87 | packet = self.cryptor.encrypt(packet) 88 | # Prepend the length of the packet as the first two bytes. 89 | # This allows for Bunny to know when to stop reading in packets. 90 | size = struct.pack("H", len(packet)) 91 | packet = "%s%s" % (size, packet) 92 | 93 | self.msg_deque.append([packet, time.time()]) 94 | self.out_queue.put([packet, False]) 95 | 96 | def recvBunny(self, timer=False): 97 | """ 98 | 99 | Grab the next bunny message in the queue and decrypt it and return the plaintext message 100 | 101 | Arg: timer 102 | If not false, bunny will timeout in the number of seconds in timer 103 | 104 | Returns: 105 | Decrypted bunny message or if timedout, False 106 | 107 | """ 108 | # this is looped just so if the message has been seen we can come back and keep trying. 109 | while True: 110 | relay = False 111 | if timer: 112 | try: 113 | data = self.msg_queue.get(True, timer) 114 | except Queue.Empty: 115 | return False 116 | else: 117 | data = self.msg_queue.get() 118 | 119 | # check if the message has already been seen 120 | # TODO: move this whole thing to a new thread 121 | cur_time = time.time() 122 | for message in self.msg_deque: 123 | if message[0] == data: 124 | if DEBUG: 125 | print "Already seen message, not sending to user" 126 | relay = True 127 | # remove old known messages 128 | if cur_time - message[1] > 60: 129 | self.msg_deque.remove(message) 130 | 131 | if relay == True: 132 | continue 133 | else: 134 | self.out_queue.put([data, True]) 135 | self.msg_deque.append([data, time.time()]) 136 | 137 | # remove the size data: 138 | data = data[2:] 139 | plaintext = self.cryptor.decrypt(data) 140 | if plaintext == False: 141 | continue 142 | else: 143 | return plaintext 144 | 145 | def killBunny(self): 146 | for worker in self.workers: 147 | worker.kill() 148 | 149 | class BunnyReadThread(threading.Thread): 150 | 151 | def __init__(self, queue, out_queue, ioObj, model, cryptor): 152 | self.msg_queue = queue 153 | self.out_queue = out_queue 154 | self.inandout = ioObj 155 | self.model = model 156 | self.cryptor = cryptor 157 | 158 | self.running = True 159 | threading.Thread.__init__(self) 160 | 161 | def run(self): 162 | blockget = False 163 | decoded = "" 164 | 165 | while self.running: 166 | # declare / clear the type array. 167 | type = [] 168 | 169 | encoded = self.inandout.recPacket_timeout(self.model.FCS) 170 | #TIMING 171 | #start_t = time.time() 172 | if encoded is False: 173 | blockget = False 174 | decoded = "" 175 | continue 176 | 177 | if DEBUG: 178 | print "\nHit packet" 179 | print "Type: %s\t Raw: %s" % (binascii.hexlify(encoded[0:1]), self.model.rawToType(encoded[0:1])) 180 | 181 | for entry in self.model.type_ranges: 182 | if entry[0] == encoded[0:1]: 183 | if entry[2].injectable > 0: 184 | # check so that the injectable length is over 0 185 | type = entry 186 | break 187 | 188 | if len(type) < 2: 189 | if DEBUG: 190 | print "Packet type not in templates" 191 | 192 | entry = self.model.insertNewTemplate(encoded) 193 | if entry is not False: 194 | if DEBUG: 195 | print "successfuly inserted template" 196 | self.model.type_ranges.append(entry) 197 | type = entry 198 | else: 199 | if DEBUG: 200 | print "Packet type not implemented" 201 | continue 202 | 203 | # decode the bunny packet 204 | temp = type[2].decode(encoded) 205 | 206 | if temp is False: 207 | if DEBUG: 208 | print "decoding fail" 209 | continue 210 | else: 211 | if DEBUG: 212 | print "CypherText: " + binascii.hexlify(temp) 213 | 214 | if blockget == False: 215 | pack_len, = struct.unpack("H", temp[0:2]) 216 | 217 | if DEBUG: 218 | print "size: " + str(pack_len) 219 | 220 | blockget = True 221 | decoded = "%s%s" % (decoded, temp) 222 | decoded_len = len(decoded) 223 | elif decoded_len < pack_len: 224 | decoded = "%s%s" % (decoded, temp) 225 | decoded_len = len(decoded) 226 | if decoded_len >= pack_len: 227 | if DEBUG: 228 | print "Adding message to Queues" 229 | self.msg_queue.put(decoded) 230 | 231 | #TIMING 232 | #print "recv time: %f" % (time.time() - start_t) 233 | 234 | # clean up for the next loop 235 | blockget = False 236 | decoded = "" 237 | def kill(self): 238 | self.running = False 239 | self.inandout.close() 240 | 241 | class BroadCaster(threading.Thread): 242 | 243 | def __init__(self, queue, ioObj, model): 244 | self.out_queue = queue 245 | self.inandout = ioObj 246 | self.model = model 247 | 248 | self.seen_chunks = [] 249 | 250 | self.running = True 251 | threading.Thread.__init__(self) 252 | 253 | def run(self): 254 | while self.running: 255 | relay = True 256 | 257 | element = self.out_queue.get() 258 | #TIMING 259 | #start_t = time.time() 260 | 261 | # sleep here if the packet is a relay packet, this prevents corruption by a 262 | # node in between two machines that are in range. 263 | # TODO: This value needs to be modified and played with. 264 | if element[1] is True: 265 | time.sleep(0.01) 266 | packet = element[0] 267 | 268 | if DEBUG: 269 | print "CypherText: " + binascii.hexlify(packet) 270 | blocks, = struct.unpack("H", packet[0:2]) 271 | print "size: " + str(blocks) 272 | 273 | 274 | while ( len(packet) != 0 ): 275 | entry = self.model.getEntry() 276 | outpacket = entry[2].makePacket(packet[:entry[2].injectable]) 277 | if DEBUG: 278 | print "Sending with: %s" % self.model.rawToType(entry[0]) 279 | print "length: " + str(len(outpacket)) 280 | 281 | packet = packet[entry[2].injectable:] 282 | self.inandout.sendPacket(outpacket) 283 | #TIMING 284 | #print "Send time: " + str(time.time() - start_t) 285 | def kill(self): 286 | self.running = False 287 | self.inandout.close() -------------------------------------------------------------------------------- /libbunny/config.py: -------------------------------------------------------------------------------- 1 | # This is a silly way to configure a library, 2 | # I need to go back in here and think of a more pythonic way to do this. 3 | 4 | CAPLENGTH = 3 5 | 6 | CHANNEL = 8 7 | IFACE = "wlan0" 8 | MODULUS = 1.21 9 | REMAINDER = 0.85 10 | TIMEOUT = 1 11 | 12 | DEBUG = True 13 | -------------------------------------------------------------------------------- /proposal.txt: -------------------------------------------------------------------------------- 1 | Bunny.py: 2 | 3 | Bunny is intended to act as a layer 1/2 technology for near unsignaturable wireless mesh communication. 4 | Bunny wraps all data in and out in a layer of obfoscation, it does this by passively listening to 5 | the local wireless and building a model of 'average' traffic. Then using this model it hides small 6 | snippets of data within various fields of the 802.11 protocol, that are either poorly defined or 7 | prone to contain data that mutates a lot. These fields will include but are not limited to; vendor 8 | data, data packets of encrypted networks, duration fields. 9 | 10 | Nodes will be able to find bunny specific packets with the preshared information of a modulus and 11 | remainder value that will be applied to the packet length of each read packet. Bunny will 12 | have two layers of communication, one being a transport and routing protocol that will be able to be 13 | read with just a AES key, modulus and remainder value. This layer will handle data routing and the 14 | backbone of a Bunny based network. Then within that channel, many seperate communication channels 15 | can exist with a second round of block chipher encrypted data. This provides for a 'russian doll' 16 | model of commuincation channels, thus allowing for a properly layered privacy scheme. 17 | 18 | So far the project depends on 3 external libraries: 19 | 1. pylorcon (802.11 injection) 20 | - and the underlying Lorcon library 21 | 2. pcapy (802.11 reading of packets) 22 | 3. pycrypto (cryptography) 23 | 24 | 25 | The overall architecture will have classes for all major sectors of the programs: 26 | - encryption 27 | - send / recv 28 | - traffic modeling 29 | - templates 30 | - configuration 31 | 32 | The structure of the application is as such: 33 | - The AEScrypt class is just a container for 2 functions, encrypt and decrypt. 34 | - The SendRec class is the backbone of the IO in the application. When init'd, 35 | both a lorcon object and pcapy instance are created and the interface is set into 36 | monitor mode. 37 | There is a function for updating the channel on the interface, testing packet 38 | capturing and grabing raw packets that include a RadioTap header. 39 | 40 | - The TrafficModel class is the brains of the obfuscation functionality. 41 | What is does is when created it captures a 3 second long packet capture using the 42 | SendRec class then analysis's the distribution of packet types and mac addresses. 43 | Then it stick most of that data into two lists, type_ranges and mac_addresses. 44 | type_ranges contains information about the types, their distruibution and an object 45 | for each type from a subclass of the Template class. 46 | These subclasses are then called dynamically when ever a packet needs to decoded or 47 | encoded with injected data. 48 | 49 | ** A word about how injecting data into 802.11 packets works in Bunny** 50 | 802.11 is a complex, partially implemented, leviathan of a standard and thus we 51 | can easily abuse that complexity to hide data within 802.11 packet types without any 52 | easy way to detect it. 53 | This is done by selecting key fields of different 802.11 packet types that are prone 54 | to chunks of psuedo random input. Then breaking up the original message and stuffing 55 | it into these fields, the revease is done to get the data out of these packets. 56 | To detect a bunny specific packet, each outbound packet is resized to match pre determined 57 | pack_len % mod = remainder values. Then when looking for packet bunny just tests each 58 | packets length against the modulus and remainder values. (idea from: Optyx, KIS root kit) 59 | 60 | 61 | - The Templates class is a super class that contains many subclasses, one (hopefuly) 62 | for each major packet type. Each subclass contains the fields and decoding mechanizums 63 | A subclass is instaciated for each detected packet type in the TrafficModel, when a 64 | object is created it decodes the raw packet and stores a 'template' version of a packet 65 | captured off of the 3 second capture window. Each subclass also can decode and resize 66 | packets. 67 | 68 | Bunny order of operations upon start up goes as follows: 69 | 1. create trafficmodel 70 | 2. search for bunny packets 71 | if other bunny instances found: 72 | 1. send and recv packets in the mesh using the packet templates and distributions found 73 | within the trafficmodel 74 | 75 | When a packet is send, the data (including routing info) with be encrypted with AES256 then 76 | chunks of the packet will be injected into the packet types contained with in templates, but at 77 | distributions of packet types that match the model (EX: beacon packet 60% of the time, data 40%) 78 | A single bunny packet can be broken up into many different 802.11 packets. Because of this, the 79 | meshing/routing layer will need to act like TCP to ensure delivery. 80 | -------------------------------------------------------------------------------- /testScripts/drivers.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | # 4 | # bunny.py 5 | # 6 | # Copyright 2013 W. Parker Thompson 7 | # 8 | # This file is part of Bunny. 9 | # 10 | # Bunny is free software: you can redistribute it and/or modify 11 | # it under the terms of the GNU General Public License as published by 12 | # the Free Software Foundation, either version 3 of the License, or 13 | # (at your option) any later version. 14 | # 15 | # Bunny is distributed in the hope that it will be useful, 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | # GNU General Public License for more details. 19 | # 20 | # You should have received a copy of the GNU General Public License 21 | # along with Bunny. If not, see . 22 | 23 | import pylorcon 24 | 25 | cards = pylorcon.getcardlist() 26 | 27 | # ebay search string: 28 | # Without Alpha: 29 | # ("AWLL3026", "NT-WGHU", "WUSB54GC", Netgear WG111, "Asus WL-167g v2", "Digitus DN-7003GS", "D-Link DWL-G122", "D-Link WUA-1340", "Hawking HWUG1", "Linksys WUSB54G v4") 30 | # 31 | # With Alpha: 32 | # ("Alfa AWUS036E", "Alfa AWUS036H", "Alfa AWUS036S", "Alfa AWUS050NH", "Asus WL-167g v2", "Digitus DN-7003GS", "D-Link DWL-G122", "D-Link WUA-1340", "Hawking HWUG1", "Linksys WUSB54G v4") 33 | # 34 | # always cross ref with: http://www.aircrack-ng.org/doku.php?id=compatibility_drivers 35 | 36 | for card in cards: 37 | print card['name'] 38 | 39 | -------------------------------------------------------------------------------- /testScripts/mod.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | # 4 | # bunny.py 5 | # 6 | # Copyright 2013 W. Parker Thompson 7 | # 8 | # This file is part of Bunny. 9 | # 10 | # Bunny is free software: you can redistribute it and/or modify 11 | # it under the terms of the GNU General Public License as published by 12 | # the Free Software Foundation, either version 3 of the License, or 13 | # (at your option) any later version. 14 | # 15 | # Bunny is distributed in the hope that it will be useful, 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | # GNU General Public License for more details. 19 | # 20 | # You should have received a copy of the GNU General Public License 21 | # along with Bunny. If not, see . 22 | 23 | import sys 24 | mod = 1.23 25 | remain = 0.82 26 | 27 | if len(sys.argv) > 2: 28 | mod = float(sys.argv[1]) 29 | remain = float(sys.argv[2]) 30 | 31 | print ("Mod:\t%f" % mod) 32 | print ("Remain:\t%f" % remain) 33 | 34 | for i in range(1, 400): 35 | if round( i % mod, 2) == remain: 36 | print i 37 | -------------------------------------------------------------------------------- /testScripts/readpck.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | # 4 | # bunny.py 5 | # 6 | # Copyright 2013 W. Parker Thompson 7 | # 8 | # This file is part of Bunny. 9 | # 10 | # Bunny is free software: you can redistribute it and/or modify 11 | # it under the terms of the GNU General Public License as published by 12 | # the Free Software Foundation, either version 3 of the License, or 13 | # (at your option) any later version. 14 | # 15 | # Bunny is distributed in the hope that it will be useful, 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | # GNU General Public License for more details. 19 | # 20 | # You should have received a copy of the GNU General Public License 21 | # along with Bunny. If not, see . 22 | 23 | import binascii 24 | import struct 25 | import time 26 | 27 | from pcapy import open_live 28 | 29 | IFACE = "wlan2" 30 | MAX_LEN = 1514 # max size of packet to capture 31 | PROMISCUOUS = 1 # promiscuous mode? 32 | READ_TIMEOUT = 0 # in milliseconds 33 | MAX_PKTS = 1 # number of packets to capture; 0 => no limit 34 | try: 35 | pcapy = open_live(IFACE, MAX_LEN, PROMISCUOUS, READ_TIMEOUT) 36 | except: 37 | print "Error creating pcapy descriptor, try turning on the target interface or setting it to monitor mode" 38 | 39 | cnt = 0 40 | 41 | start_t = time.time() 42 | while(time.time() - start_t < 5): 43 | header, rawPack = pcapy.next() 44 | # H = unsigned short 45 | size = struct.unpack("= 18: 51 | rawPack = rawPack[size:] 52 | size = len(rawPack) 53 | # subtract the FCS to account for the radiotap header adding a CRC32 54 | if (round( (size - 4) % 1.21, 2) == 0.85): 55 | #print "got packet" 56 | cnt = cnt + 1 57 | 58 | print cnt 59 | -------------------------------------------------------------------------------- /testScripts/simplesend.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | # 4 | # bunny.py 5 | # 6 | # Copyright 2013 W. Parker Thompson 7 | # 8 | # This file is part of Bunny. 9 | # 10 | # Bunny is free software: you can redistribute it and/or modify 11 | # it under the terms of the GNU General Public License as published by 12 | # the Free Software Foundation, either version 3 of the License, or 13 | # (at your option) any later version. 14 | # 15 | # Bunny is distributed in the hope that it will be useful, 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | # GNU General Public License for more details. 19 | # 20 | # You should have received a copy of the GNU General Public License 21 | # along with Bunny. If not, see . 22 | import sys 23 | import pylorcon 24 | 25 | try: 26 | lorcon = pylorcon.Lorcon("wlan4", "rt2800usb") 27 | except pylorcon.LorconError: 28 | print "Please run me as root" 29 | 30 | lorcon.setfunctionalmode("INJECT"); 31 | lorcon.setmode("MONITOR"); 32 | lorcon.setchannel(11); 33 | 34 | packet = "A" * 1400 35 | for a in range(1, 200): 36 | lorcon.txpacket(packet); 37 | -------------------------------------------------------------------------------- /testScripts/test.conf: -------------------------------------------------------------------------------- 1 | [LORCON] 2 | chan = 6 3 | 4 | --------------------------------------------------------------------------------