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pyrit_cli.py
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pyrit_cli.py
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# -*- coding: UTF-8 -*-
#
# Copyright 2015, John Mora, johmora12@engineer.com
# Original Work by Lukas Lueg (c) 2008-2011.
#
# This file is part of Pyrit.
#
# Pyrit is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrit is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Pyrit. If not, see <http://www.gnu.org/licenses/>.
from __future__ import with_statement
import getopt
import glob
import gzip
import hashlib
import itertools
import os
import random
import sys
import time
import cpyrit.cpyrit
import cpyrit.config
import cpyrit.util
import cpyrit.storage
class PyritRuntimeError(RuntimeError):
pass
class Pyrit_CLI(object):
def __init__(self):
self.verbose = True
def tell(self, text, sep=' ', end='\n', stream=sys.stdout, flush=False):
if self.verbose or stream != sys.stdout:
stream.write(text)
if end is not None:
stream.write(end)
else:
if sep is not None:
stream.write(sep)
if flush or end is None:
stream.flush()
def initFromArgv(self):
options = {}
args, commands = getopt.getopt(sys.argv[1:], \
'b:e:i:o:r:u:h', \
('all-handshakes', 'aes'))
args = dict(args)
if len(commands) == 1 and commands[0] in self.commands:
command = commands[0]
else:
command = 'help'
args = {}
if '-h' in args:
func = Pyrit_CLI.print_command_help
args = {'-c': command}
else:
func = self.commands[command]
req_params, opt_params = func.cli_options
for param in req_params:
if param not in ('-u',) and param not in args:
raise PyritRuntimeError("The command '%s' requires the " \
"option '%s'. See 'help'." % \
(command, param))
for arg, value in args.iteritems():
if arg in req_params or arg in opt_params:
if arg == '-e':
options['essid'] = value
elif arg == '-b':
options['bssid'] = str(value).lower()
elif arg == '-i':
options['infile'] = value
elif arg == '-o':
options['outfile'] = value
# Prevent messages from corrupting stdout
if value == '-':
self.verbose = False
elif arg == '-r':
options['capturefile'] = value
elif arg == '-c':
options['command'] = value
elif arg == '--all-handshakes':
options['all_handshakes'] = True
elif arg == '--aes':
options['use_aes'] = True
else:
raise PyritRuntimeError("The command '%s' ignores the " \
"option '%s'." % (command, arg))
self.tell("Pyrit %s (C) 2008-2011 Lukas Lueg - 2015 John Mora\n" \
"https://github.com/JPaulMora/Pyrit\n" \
"This code is distributed under the GNU General Public " \
"License v3+\n" % cpyrit.util.VERSION, stream=sys.stdout)
if '-u' in req_params:
if '-u' in args:
storage_url = args['-u']
else:
storage_url = cpyrit.config.cfg['default_storage']
options['storage'] = self._getStorage(storage_url)
func(self, **options)
def print_help(self):
"""Print general help
You should have figured this one out by now.
"""
self.tell('Usage: pyrit [options] command'
'\n'
'\nRecognized options:'
'\n -b : Filters AccessPoint by BSSID'
'\n -e : Filters AccessPoint by ESSID'
'\n -h : Print help for a certain command'
"\n -i : Filename for input ('-' is stdin)"
"\n -o : Filename for output ('-' is stdout)"
'\n -r : Packet capture source in pcap-format'
'\n -u : URL of the storage-system to use'
'\n --all-handshakes : Use all handshakes instead of the best one'
'\n --aes : Use AES'
'\n'
'\nRecognized commands:')
m = max([len(command) for command in self.commands])
for command, func in sorted(self.commands.items()):
self.tell(' %s%s : %s' % (command, \
' ' * (m - len(command)), \
func.__doc__.split('\n')[0]))
print_help.cli_options = ((), ())
def print_command_help(self, command):
"""Print help about a certain command"""
doc = self.commands[command].__doc__
self.tell('\n'.join(l.strip() for l in doc.split('\n')))
print_command_help.cli_options = (('-c',), ())
def requires_pckttools(*params):
"""Decorate a function to check for cpyrit.cpyrit_pckttools
before execution.
"""
def check_pkttools(f):
def new_f(*args, **kwds):
try:
import cpyrit.pckttools
except ImportError:
raise PyritRuntimeError("Scapy 2.x is required to use " \
"Pyrit's analyze/attack " \
"functions but seems to be " \
"unavailable.")
f(*args, **kwds)
new_f.func_name = f.func_name
new_f.__doc__ = f.__doc__
return new_f
return check_pkttools
def _getParser(self, capturefilemask):
filelist = glob.glob(capturefilemask)
if len(filelist) == 0:
raise PyritRuntimeError("No file found that matches '%s'" % \
capturefilemask)
parser = cpyrit.pckttools.PacketParser()
for idx, capturefile in enumerate(filelist, start=1):
self.tell("Parsing file '%s' (%i/%i)..." % (capturefile, idx, \
len(filelist)))
dev = cpyrit.pckttools.PcapDevice(capturefile)
parser.parse_pcapdevice(dev)
self.tell("Parsed %i packets (%i 802.11-packets), got %i AP(s)\n" % \
(parser.pcktcount, parser.dot11_pcktcount, len(parser)))
return parser
def _fuzzyGetAP(self, parser, bssid=None, essid=None):
if bssid is None and essid is None:
for ap in parser:
if ap.isCompleted() and ap.essid is not None:
self.tell("Picked AccessPoint %s ('%s') automatically." % \
(ap, ap.essid))
return ap
raise PyritRuntimeError("Specify an AccessPoint's BSSID or " \
"ESSID using the options -b and -e. " \
"See 'help'")
if bssid is not None:
if bssid not in parser:
raise PyritRuntimeError("No AccessPoint with BSSID '%s' " \
"found in the capture file..." % \
bssid)
ap = parser[bssid]
else:
ap = None
if essid is not None:
if ap is None:
aps = filter(lambda ap: (ap.essid is None
or ap.essid == essid)
and ap.isCompleted(),
parser)
if len(aps) > 0:
ap = aps[0]
self.tell("Picked AccessPoint %s automatically..." % ap)
else:
raise PyritRuntimeError("No suitable AccessPoint with " \
"that ESSID in the capture file.")
else:
if ap.essid is not None and ap.essid != essid:
self.tell("WARNING: AccessPoint %s has ESSID '%s'. " \
"Using '%s' anyway." % (ap, ap.essid, essid), \
stream=sys.stderr)
else:
if ap.essid is None:
raise PyritRuntimeError("The ESSID for AccessPoint %s is " \
"not known from the capture file. " \
"Specify it using the option -e." % ap)
return ap
def _getStorage(self, url):
safe_url = cpyrit.storage.pruneURL(url)
self.tell("Connecting to storage at '%s'... " % (safe_url,), end=None)
storage = cpyrit.storage.getStorage(url)
self.tell("connected.")
return storage
def create_essid(self, storage, essid=None, infile=None):
"""Create a new ESSID
Add the ESSID given by -e to the database. Re-creating an existing
ESSID does not result in an error.
For example:
pyrit -e NETGEAR create_essid
"""
if essid is None and infile is None:
raise PyritRuntimeError("Please specify the ESSID to create " \
"with '-e' or a file to read ESSIDs " \
"from with '-i'.")
if essid is not None:
if essid in storage.essids:
self.tell("ESSID already created")
else:
storage.essids.create_essid(essid)
self.tell("Created ESSID '%s'" % essid)
elif infile is not None:
with cpyrit.util.FileWrapper(infile) as reader:
for essid in reader:
essid = essid.strip()
if essid not in storage.essids:
storage.essids.create_essid(essid)
self.tell("Created ESSID '%s'" % essid)
create_essid.cli_options = (('-u', ), ('-e', '-i'))
def delete_essid(self, storage, essid, confirm=True):
"""Delete a ESSID from the database
Delete the ESSID given by -e from the database. This includes all
results that may have been stored for that particular ESSID.
For example:
pyrit -e NETGEAR delete_essid
"""
if essid not in storage.essids:
raise PyritRuntimeError("ESSID not found...")
else:
if confirm:
self.tell("All results for ESSID '%s' will be deleted! " \
"Continue? [y/N]" % essid, end=None)
if sys.stdin.readline().strip() != 'y':
raise PyritRuntimeError("aborted.")
self.tell("deleting...")
del storage.essids[essid, None]
self.tell("Deleted ESSID '%s'." % essid)
delete_essid.cli_options = (('-e', '-u'), ())
def list_cores(self):
"""List available cores
Show a list of all available hardware modules pyrit currently uses.
For example:
pyrit list_cores
"""
with cpyrit.cpyrit.CPyrit() as cp:
if int(cpyrit.config.cfg['limit_ncpus']) < 0:
self.tell("CPUs disabled in config...")
else:
self.tell("The following cores seem available...")
for idx, core in enumerate(cp.cores, start=1):
self.tell("#%i: '%s'" % (idx, core))
if cpyrit.config.cfg['use_OpenCL'] == 'true':
if cpyrit.config.cfg['use_CUDA'] == 'true':
self.tell("\nWARNING: OpenCL disables CUDA!\n")
if len(cp.OpCL) != 0:
self.tell("\nThe following OpenCL GPUs seem available...")
for idx, OCL in enumerate(cp.OpCL, start=1):
self.tell("#%i: '%s'" % (idx, OCL))
elif cpyrit.config.cfg['use_OpenCL'] == 'false' and cpyrit.config.cfg['use_CUDA'] == 'true':
if len(cp.CUDAs) != 0:
self.tell("\nThe following CUDA GPUs seem available...")
for idx, CD in enumerate(cp.CUDAs, start=1):
self.tell("#%i: '%s'" % (idx, CD))
list_cores.cli_options = ((), ())
def list_essids(self, storage):
"""List all ESSIDs but don't count matching results
Show a list of all ESSIDs currently stored in the database. This
function is faster than eval in case you don't need to know the
number of computed results.
For example:
pyrit list_essids
"""
self.tell("Listing ESSIDs...\n")
for essid in sorted(storage.essids):
self.tell("ESSID '%s'" % essid)
self.tell("")
list_essids.cli_options = (('-u', ), ())
def eval_results(self, storage):
"""Count the available passwords and matching results
Count all available passwords, all ESSIDs and their respective
results in the database.
For example:
pyrit eval
"""
self.tell("Querying...", end=None, flush=True)
pwcount, essid_results = storage.getStats()
self.tell("\rPasswords available: %i\n" % pwcount)
if len(essid_results) > 0:
m = max(len(essid) for essid in essid_results.iterkeys())
n = max(len(str(c)) for c in essid_results.itervalues())
for essid, rescnt in sorted(essid_results.iteritems()):
self.tell("ESSID '%s'%s : %s%i (%.2f%%)" % (essid, \
' ' * (m - len(essid)), \
' ' * (n - len(str(rescnt))), rescnt, \
(rescnt * 100.0 / pwcount) if pwcount > 0 else 0))
self.tell('')
eval_results.cli_options = (('-u', ), ())
def import_passwords(self, storage, infile, unique_check=True):
"""Import passwords from a file-like source
Read the file given by -i and import one password per line to the
database. The passwords may contain all characters (including
NULL-bytes) apart from the terminating newline-character \\n.
Passwords that are not suitable for being used with WPA-/WPA2-PSK
are ignored. Pyrit's storage-implementation guarantees that all
passwords remain unique throughout the entire database.
For example:
pyrit -i dirty_words.txt import_passwords
"""
i = 0
storage.passwords.unique_check = unique_check
perfcounter = cpyrit.util.PerformanceCounter()
with cpyrit.util.FileWrapper(infile) as reader:
with storage.passwords as pwstore:
for i, line in enumerate(reader):
pwstore.store_password(line)
if i % 100000 == 0:
perfcounter += 100000
self.tell("\r%i lines read (%.1f lines/s)..." % \
(i, perfcounter.avg), end=None, flush=True)
self.tell("\r%i lines read. Flushing buffers..." % (i + 1))
self.tell('All done.')
import_passwords.cli_options = (('-i', '-u'), ())
def import_unique_passwords(self, storage, infile):
"""Import unique passwords from a file-like source
Read the file given by -i and import one password per line to the
database. The passwords may contain all characters (including
NULL-bytes) apart from the terminating newline-character \\n.
Passwords that are not suitable for being used with WPA-/WPA2-PSK
are ignored. This command does not check if there are duplicating
passwords within the file or between the file and the database; it
should be used with caution to prevent the database from getting
poisoned with duplicated passwords. This command however can be much
faster than import_passwords.
For example:
pyrit -i dirty_words.txt import_unique_passwords
"""
self.import_passwords(storage, infile, unique_check=False)
import_unique_passwords.cli_options = (('-i', '-u'), ())
def export_passwords(self, storage, outfile):
"""Export passwords to a file
Write all passwords that are currently stored in the database to a
new file given by -o. Passwords are terminated by a single
newline-character (\\n). Existing files are overwritten without
confirmation.
For example:
pyrit -o myword.txt.gz export_passwords
"""
perfcounter = cpyrit.util.PerformanceCounter()
with cpyrit.util.AsyncFileWriter(outfile) as awriter:
for idx, pwset in enumerate(storage.iterpasswords(), start=1):
awriter.write('\n'.join(pwset))
awriter.write('\n')
perfcounter += len(pwset)
self.tell("%i lines written (%.1f lines/s, %.1f%%)\r" % \
(perfcounter.total, perfcounter.avg, \
idx * 100.0 / len(storage.passwords)), \
end=None, sep=None)
self.tell("\nAll done")
export_passwords.cli_options = (('-o', '-u'), ())
def export_cowpatty(self, storage, essid, outfile):
"""Export results to a new cowpatty file
Write all results for the ESSID given by -e to the file given by -o
in cowpatty's binary format. Existing files are overwritten without
confirmation.
For example:
pyrit -o NETGEAR.cow -e NETGEAR export_cowpatty
"""
if essid not in storage.essids:
raise PyritRuntimeError("The ESSID you specified can't be found.")
perfcounter = cpyrit.util.PerformanceCounter()
self.tell("Exporting to '%s'..." % outfile)
with cpyrit.util.AsyncFileWriter(outfile) as filewriter:
with cpyrit.util.CowpattyFile(filewriter, 'w', essid) as cpwriter:
try:
for results in storage.iterresults(essid):
cpwriter.write(results)
perfcounter += len(results)
self.tell("\r%i entries written (%.1f/s)..." % \
(perfcounter.total, perfcounter.avg), \
end=None, sep=None)
except IOError:
self.tell("IOError while exporting to " \
"stdout ignored...", stream=sys.stderr)
self.tell("\r%i entries written. All done." % perfcounter.total)
export_cowpatty.cli_options = (('-u', '-e', '-o'), ())
@requires_pckttools()
def analyze(self, capturefile):
"""Analyze a packet-capture file
Parse one or more packet-capture files (in pcap-format,
possibly gzip-compressed) and try to detect Access-Points,
Stations and EAPOL-handshakes.
For example:
pyrit -r "test*.pcap" analyze
"""
parser = self._getParser(capturefile)
for i, ap in enumerate(parser):
self.tell("#%i: AccessPoint %s ('%s'):" % (i + 1, ap, ap.essid))
for j, sta in enumerate(ap):
self.tell(" #%i: Station %s" % (j + 1, sta), \
end=None, sep=None)
auths = sta.getAuthentications()
if len(auths) > 0:
self.tell(", %i handshake(s):" % (len(auths),))
for k, auth in enumerate(auths):
self.tell(" #%i: %s" % (k + 1, auth))
else:
self.tell("")
if not any(ap.isCompleted() and ap.essid is not None for ap in parser):
raise PyritRuntimeError("No valid EAOPL-handshake + ESSID " \
"detected.")
analyze.cli_options = (('-r', ), ())
@requires_pckttools()
def stripCapture(self, capturefile, outfile, bssid=None, essid=None):
"""Strip packet-capture files to the relevant packets
Parse one or more packet-capture files given by the option -r,
extract only packets that are necessary for EAPOL-handshake
detection and write a new dump to the filename given by the option
-o. The options -e and -b can be used to filter certain
Access-Points.
For example:
pyrit -r "dumps_*.pcap" -e MyNetwork -o tiny.dump.gz strip
"""
parser = self._getParser(capturefile)
if essid is not None or bssid is not None:
ap_iter = (self._fuzzyGetAP(parser, bssid, essid), )
else:
ap_iter = parser
with cpyrit.pckttools.Dot11PacketWriter(outfile) as writer:
for i, ap in enumerate(ap_iter):
self.tell("#%i: AccessPoint %s ('%s')" % (i + 1, ap, ap.essid))
if ap.essidframe:
writer.write(ap.essidframe)
for j, sta in enumerate(ap):
self.tell(" #%i: Station %s" % (j, sta), \
end=None, sep=None)
auths = sta.getAuthentications()
if len(auths) > 0:
self.tell(", %i handshake(s)" % (len(auths),))
for k, auth in enumerate(auths):
self.tell(" #%i: %s" % (k + 1, auth))
else:
self.tell("")
packets = []
for pckt in sta.getPackets():
writer.write(pckt)
self.tell("\nNew pcap-file '%s' written (%i out of %i packets)" % \
(outfile, writer.pcktcount, parser.pcktcount))
stripCapture.cli_options = (('-r', '-o'), ('-e', '-b'))
def _stripLive_newAP(self, parser, writer, ap):
writer.write(ap.essidframe)
self.tell("%i/%i: New AccessPoint %s ('%s')" % \
(writer.pcktcount, parser.pcktcount, ap, ap.essid))
def _stripLive_newStation(self, parser, writer, station):
self.tell("%i/%i: New Station %s (AP %s)" % \
(writer.pcktcount, parser.pcktcount, station, station.ap))
def _stripLive_newKeyPckt(self, parser, writer, station, idx, pckt):
writer.write(pckt)
self.tell("%i/%i: %s AP %s <-> STA %s" % \
(writer.pcktcount, parser.pcktcount, \
["Challenge", "Response", "Confirmation"][idx], \
station.ap, station))
def _stripLive_newEncPckt(self, parser, writer, station, pckt):
writer.write(pckt)
self.tell("%i/%i: CCMP-Encrypted traffic AP %s <-> STA %s" % \
(writer.pcktcount, parser.pcktcount, station.ap, station))
def _stripLive_newAuth(self, parser, writer, station, auth):
self.tell("%i/%i: New Handshake AP %s: %s" % \
(writer.pcktcount, parser.pcktcount, station.ap, auth))
@requires_pckttools()
def stripLive(self, capturefile, outfile):
"""Capture relevant packets from a live capture-source
Parse a packet-capture file given by the option -r, extract only
packets that are necessary for EAPOL-handshake detection and write a
new dump to the file given by the option -o. This command differs
from strip as the capture-file can be any character device including
sockets and other pseudo-files that look like files in pcap-format.
stripLive writes relevant packets to the new file given by -o as
they arrive instead of trying to read the entire capture-file first.
For example:
pyrit -r /temp/kismet_dump -o small_dump.pcap stripLive
"""
writer = cpyrit.pckttools.Dot11PacketWriter(outfile)
parser = cpyrit.pckttools.PacketParser()
parser.new_ap_callback = \
lambda ap: self._stripLive_newAP(parser, writer, ap)
parser.new_station_callback = \
lambda sta: self._stripLive_newStation(parser, writer, sta)
parser.new_keypckt_callback = \
lambda (sta, idx, pckt): \
self._stripLive_newKeyPckt(parser, writer, sta, idx, pckt)
parser.new_encpckt_callback = \
lambda (sta, pckt): \
self._stripLive_newEncPckt(parser, writer, sta, pckt)
parser.new_auth_callback = \
lambda (sta, auth): self._stripLive_newAuth(parser, writer, sta, \
auth)
self.tell("Parsing packets from '%s'..." % capturefile)
pckt_rdr = cpyrit.pckttools.PcapDevice(use_bpf=True)
try:
pckt_rdr.open_offline(capturefile)
except IOError, offline_error:
try:
pckt_rdr.open_live(capturefile)
except IOError, live_error:
raise PyritRuntimeError("Failed to open '%s' either as a " \
"file ('%s') or as a device " \
"('%s')" % (capturefile, \
str(offline_error), str(live_error)))
try:
parser.parse_pcapdevice(pckt_rdr)
except (KeyboardInterrupt, SystemExit):
self.tell("\nInterrupted...\n")
else:
self.tell("\nCapture-source was closed...\n")
finally:
writer.close()
for i, ap in enumerate(parser):
self.tell("#%i: AccessPoint %s ('%s')" % (i + 1, ap, ap.essid))
for j, sta in enumerate(ap):
auths = sta.getAuthentications()
if len(auths) > 0:
self.tell(" #%i: Station %s, %i handshake(s)" % \
(j, sta, len(auths)))
for k, auth in enumerate(auths):
self.tell(" #%i: %s" % (k + 1, auth))
self.tell("\nNew pcap-file '%s' written (%i out of %i packets)" % \
(outfile, writer.pcktcount, parser.pcktcount))
stripLive.cli_options = (('-r', '-o'), ())
def export_hashdb(self, storage, outfile, essid=None):
"""Export results to an airolib database
Write all results currently stored in the database to the airolib-ng
database given by -o. The database is created with a default table
layout if the file does not yet exist. The option -e can be used to
limit the export to a single ESSID.
For example:
pyrit -o NETGEAR.db -e NETGEAR export_hashdb
"""
import sqlite3
if essid is None:
essids = storage.essids
else:
essids = [essid]
con = sqlite3.connect(outfile)
con.text_factory = str
cur = con.cursor()
cur.execute('SELECT * FROM sqlite_master')
tbls = [x[1] for x in cur.fetchall() if x[0] == u'table']
if u'pmk' not in tbls or u'essid' not in tbls or u'passwd' not in tbls:
self.tell("The database '%s' seems to be uninitialized. " % \
outfile)
self.tell("Trying to create default table-layout...", end=None)
try:
cur.execute("CREATE TABLE essid (" \
"essid_id INTEGER PRIMARY KEY AUTOINCREMENT," \
"essid TEXT," \
"prio INTEGER DEFAULT 64)")
cur.execute("CREATE TABLE passwd (" \
"passwd_id INTEGER PRIMARY KEY AUTOINCREMENT, " \
"passwd TEXT)")
cur.execute("CREATE TABLE pmk (" \
"pmk_id INTEGER PRIMARY KEY AUTOINCREMENT, " \
"passwd_id INTEGER, " \
"essid_id INTEGER, " \
"pmk BLOB)")
cur.execute("CREATE TABLE workbench (" \
"wb_id INTEGER PRIMARY KEY AUTOINCREMENT, " \
"essid_id INTEGER, " \
"passwd_id INTEGER, " \
"lockid INTEGER DEFAULT 0)")
cur.execute("CREATE INDEX lock_lockid ON workbench (lockid);")
cur.execute("CREATE UNIQUE INDEX essid_u ON essid (essid)")
cur.execute("CREATE UNIQUE INDEX passwd_u ON passwd (passwd)")
cur.execute("CREATE UNIQUE INDEX ep_u ON pmk " \
"(essid_id, passwd_id)")
cur.execute("CREATE UNIQUE INDEX wb_u ON workbench " \
"(essid_id, passwd_id)")
cur.execute("CREATE TRIGGER delete_essid DELETE ON essid " \
"BEGIN DELETE FROM pmk " \
"WHERE pmk.essid_id = OLD.essid_id;" \
"DELETE FROM workbench " \
"WHERE workbench.essid_id = OLD.essid_id;" \
"END")
cur.execute("CREATE TRIGGER delete_passwd DELETE ON passwd " \
"BEGIN DELETE FROM pmk " \
"WHERE pmk.passwd_id = OLD.passwd_id;" \
"DELETE FROM workbench " \
"WHERE workbench.passwd_id = OLD.passwd_id;" \
"END")
self.tell("Tables created...")
except:
con.rollback()
cur.close()
con.close()
self.tell("Failed to initialize the database.", \
stream=sys.stderr)
raise
try:
cur.execute("PRAGMA synchronous = 1")
i = 0
self.tell("Writing passwords...")
for pwset in storage.iterpasswords():
i += len(pwset)
cur.executemany("INSERT OR IGNORE INTO passwd " \
"(passwd) VALUES (?)", [(p, ) for p in pwset])
self.tell("Wrote %i lines...\r" % i, end=None, sep=None)
self.tell("\nWriting ESSIDs and results...")
for cur_essid in essids:
self.tell("Writing '%s'..." % cur_essid)
cur.execute("INSERT OR IGNORE INTO essid " \
"(essid) VALUES (?)", (cur_essid, ))
essid_id = cur.execute("SELECT essid_id FROM essid " \
"WHERE essid = ?", \
(cur_essid, )).fetchone()[0]
i = 0
for results in storage.iterresults(cur_essid):
i += len(results)
cur.executemany("INSERT OR IGNORE INTO pmk " \
"(essid_id, passwd_id, pmk) " \
"SELECT ?, passwd_id, ? FROM passwd " \
"WHERE passwd = ?", \
((essid_id, buffer(pmk), pw) \
for pw, pmk in results))
self.tell("Wrote %i lines...\r" % i, end=None, sep=None)
self.tell("\nAll done.")
except:
con.rollback()
self.tell("There was an error while exporting. The database has " \
"not been modified...", stream=sys.stderr)
raise
else:
con.commit()
finally:
cur.close()
con.close()
export_hashdb.cli_options = (('-u', '-o', ), ('-e', ))
def passthrough(self, essid, infile, outfile):
"""Compute PMKs and write results to a file
Read passwords from the file given by -i and compute their PMKs for
the ESSID given by -e. The results are written to the file specified
by -o in cowpatty's binary format and are not stored in the database
for later use. This command therefor circumvents the entire database
and should only be used if storage-space is a problem (e.g. when
using pyrit on a LiveCD). The batch-command provides exactly the
same functionality as passthrough but can give much better
performance as results may be read from the database instead of
recomputing them.
For example:
pyrit -i words.txt -e NETGEAR -o NETGEAR.cow.gz passthrough
"""
perfcounter = cpyrit.util.PerformanceCounter()
with cpyrit.util.FileWrapper(infile) as reader:
try:
with cpyrit.util.AsyncFileWriter(outfile) as writer:
with cpyrit.util.CowpattyFile(writer, 'w', essid) as cowpwriter:
with cpyrit.cpyrit.PassthroughIterator(essid, reader) as rstiter:
for results in rstiter:
cowpwriter.write(results)
perfcounter += len(results)
self.tell("Computed %i PMKs so far; %i PMKs" \
" per second\r" % \
(perfcounter.total, \
perfcounter.avg), \
end=None, sep=None)
except IOError:
self.tell("IOError while writing to stdout ignored.", \
stream=sys.stderr)
finally:
self.tell("Computed %i PMKs total; %i PMKs per second" % \
(perfcounter.total, perfcounter.avg))
passthrough.cli_options = (('-i', '-o', '-e'), ())
def batchprocess(self, storage, essid=None, outfile=None):
"""Batchprocess the database
Start to translate all passwords in the database into their
respective PMKs and store the results in the database. The option -e
may be used to restrict this command to a single ESSID; if it is
ommitted, all ESSIDs are processed one after the other in undefined
order.
For example:
pyrit -e NETGEAR batch
The option -o can be used to specify a filename the results should
additionally be written to in cowpatty's binary format. The option
-e becomes mandatory and the ESSID is automatically created in the
database if necessary. Pairwise Master Keys that previously have
been computed and stored in the database are exported from there
without further processing. Pyrit stops and exits if an IOError is
raised while writing to the specified file but signals success on
exit. This makes it very convenient to pipe results directly to
other programs but also keep them for later use.
For example:
pyrit -e NETGEAR -o - batch | cowpatty -d - -r MyCap.cap -s NETGEAR
"""
if outfile is not None and essid is None:
raise PyritRuntimeError("Results will be written to a file " \
"while batchprocessing. This requires " \
"to specify a single ESSID.")
if essid is not None:
if essid not in storage.essids:
storage.essids.create_essid(essid)
essids = [essid]
else:
if len(storage.essids) == 0:
raise PyritRuntimeError("No ESSID in storage. Use 'create_" \
"essid' first.")
essids = storage.unfinishedESSIDs()
if outfile is not None:
outfilewriter = cpyrit.util.AsyncFileWriter(outfile)
cowpwriter = cpyrit.util.CowpattyFile(outfilewriter, 'w', essid)
else:
cowpwriter = None
for cur_essid in essids:
perfcounter = cpyrit.util.PerformanceCounter()
self.tell("Working on ESSID '%s'" % cur_essid)
with cpyrit.cpyrit.StorageIterator(storage, cur_essid, \
yieldOldResults=cowpwriter is not None) as dbiterator:
totalKeys = len(dbiterator)
for results in dbiterator:
perfcounter += len(results)
if cowpwriter is not None:
try:
cowpwriter.write(results)
except IOError:
self.tell("IOError while batchprocessing...")
raise SystemExit
solvedKeys = dbiterator.keycount()
self.tell("Processed %i/%i workunits so far (%.1f%%); " \
"%i PMKs per second.\r" % (solvedKeys, \
totalKeys, \
100.0 * solvedKeys / totalKeys, \
perfcounter.avg), \
end=None, sep=None)
self.tell("Processed all workunits for ESSID '%s'; " \
"%i PMKs per second." % \
(cur_essid, perfcounter.avg))
self.tell('')
if cowpwriter is not None:
cowpwriter.close()
self.tell("Batchprocessing done.")
batchprocess.cli_options = (('-u', ), ('-e', '-o'))
def relay(self, storage):
"""Relay a storage-url via RPC
Start a server to relay another storage device via XML-RPC; other
pyrit-clients can use the server as storage-device. This allows to
have network-based access to storage source that don’t provide
network-access on their own (like file:// and sqlite://) or hide a
SQL-database behind a firewall and let multiple clients access that
database only via Pyrit’s RPC-interface. The TCP-port 17934 must be
open for this function to work.
For example, on the server (where the database is):
pyrit -u sqlite:////var/local/pyrit.db relay
... and the client (where the big GPU is):
pyrit -u http://192.168.0.100:17934 batch
"""
with cpyrit.storage.StorageRelay(storage) as rpcd:
self.tell("Server started...")
try:
rpcd.serve_forever()
except (KeyboardInterrupt, SystemExit):
pass
self.tell("Server closed")
relay.cli_options = (('-u', ), ())
def serve(self):
"""Serve local hardware to other Pyrit clients
Start a server that provides access to the local computing hardware
to help other Pyrit-clients. The server's IP-address should be added
to the clients' configuration file (usually '~/.pyrit/config') as a
space-separated list under known_clients. These clients'
rpc_server-setting must also be set to 'true'. The TCP- and UDP-port
17935 must be accessible.
For example, on the server (where the GPU is):
pyrit serve
... and the clients (the server's IP-address has been added to
'known_clients' and rpc_server is set to 'true'):
pyrit -r tst.pcap -b 00:de:ad:be:ef:00 -i words attack_passthrough
"""
server = cpyrit.network.NetworkServer()
listener = cpyrit.network.NetworkAnnouncementListener()
perfcounter = cpyrit.util.PerformanceCounter()
try:
while server.isAlive():
addr = listener.waitForAnnouncement(block=True, timeout=1.0)
if addr is not None and addr not in server:
server.addClient(addr)
perfcounter.addAbsolutePoint(server.stat_scattered)
if perfcounter.avg > 0:
y = (server.stat_gathered - server.stat_enqueued) \
/ perfcounter.avg
else:
y = 0
self.tell("\rServing %i active clients; %i PMKs/s; " \
"%.1f TTS" % (len(server), perfcounter.avg, y), \
end=None)
except (KeyboardInterrupt, SystemExit):
self.tell("\nShutdown with %i active clients..." % len(server))
listener.shutdown()
server.shutdown()
serve.cli_options = ((), ())
@requires_pckttools()
def attack_passthrough(self, infile, capturefile, essid=None, \
bssid=None, outfile=None, all_handshakes=False, \
use_aes=False):
"""Attack a handshake with passwords from a file
Attack an EAPOL-handshake found in the packet-capture file given by
the option -r using the passwords read from the file given by the
option -i. The options -b and -e can be used to specify the
Access-Point to attack; it is picked automatically if both options
are omitted. The password is written to the filename given by the
option -o if specified.
For example:
pyrit -r test.pcap -b 00:de:ad:be:ef:00 -i words attack_passthrough
This command circumvents Pyrit's database and should only be used
if storage-space is a problem (e.g. on LiveCDs). You should consider
using attack_batch otherwise.
"""
ap = self._fuzzyGetAP(self._getParser(capturefile), bssid, essid)
if not ap.isCompleted():
raise PyritRuntimeError("No valid handshakes for AccessPoint %s " \
"found in the capture file." % ap)
if essid is None:
essid = ap.essid
perfcounter = cpyrit.util.PerformanceCounter()
auths = ap.getCompletedAuthentications()
crackers = []
if not all_handshakes:
crackers.append(cpyrit.pckttools.AuthCracker(auths[0], use_aes))
else:
self.tell("Attacking %i handshake(s)." % (len(auths),))
for auth in auths:
crackers.append(cpyrit.pckttools.AuthCracker(auth, use_aes))
with cpyrit.util.FileWrapper(infile) as reader:
with cpyrit.cpyrit.PassthroughIterator(essid, reader) as rstiter:
for results in rstiter:
for cracker in crackers:
cracker.enqueue(results)
perfcounter += len(results)
self.tell("Tried %i PMKs so far; %i PMKs per second; %s\r" % \
(perfcounter.total, perfcounter.avg, results[0][0]),
end=None, sep=None)
if any(c.solution is not None for c in crackers):
break
self.tell("Tried %i PMKs so far; %i PMKs per second." % \
(perfcounter.total, perfcounter.avg))
for cracker in crackers:
cracker.join()
if cracker.solution is not None:
self.tell("\nThe password is '%s'.\n" % cracker.solution)
if outfile is not None:
with cpyrit.util.FileWrapper(outfile, 'w') as writer:
writer.write(cracker.solution)
break
else:
errmsg = "\nPassword was not found."
if len(auths) > 1 and all_handshakes is False:
errmsg += " Retry the attack with '--all-handshakes'.\n"
else:
errmsg += "\n"
raise PyritRuntimeError(errmsg)
attack_passthrough.cli_options = (('-i', '-r'), ('-e', '-b', '-o', \
'--all-handshakes', \
'--aes'))
@requires_pckttools()
def attack_batch(self, storage, capturefile, essid=None, bssid=None, \
outfile=None, all_handshakes=False, use_aes=False):
"""Attack a handshake with PMKs/passwords from the db
Attack an EAPOL-handshake found in the packet-capture file(s) given
by the option -r using the Pairwise Master Keys and passwords
stored in the database. The options -b and -e can be used to
specify the Access-Point to attack; it is picked automatically if
both options are omitted. The password is written to the filename
given by the option -o if specified.
For example:
pyrit -r test.pcap -b 00:de:ad:c0:de:00 -o passwd.txt attack_batch
Pairwise Master Keys that have been computed and stored in the
database previously are taken from there; all other passwords are
translated into their respective Pairwise Master Keys and added to
the database for later re-use. ESSIDs are created automatically in
the database if necessary.