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Multiple enhancements to networkConfigurationCredentialsExtract.py

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mgeeky
2020-01-16 10:31:33 +01:00
parent 6a02dbe886
commit f31930c7c8
1 changed files with 164 additions and 64 deletions
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228
networks/networkConfigurationCredentialsExtract.py
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@@ -3,8 +3,9 @@
#
# Script intendend to sweep Cisco, Huawei and possibly other network devices
# configuration files in order to extract plain and cipher passwords out of them.
# Equipped with functionality to decrypt Cisco Type 7 passwords.
#
# Mariusz B., mgeeky '18
# Mariusz B., mgeeky '18-20
#
import re
@@ -45,6 +46,10 @@ regexes = {
'ISAKMP Pre-Shared Key' : r'crypto isakmp key \password(?: address \ip)?',
'SNMP-Server User Auth & Encr keys' : r'snmp-server user \name .* encrypted auth md5 ([0-9a-f\:]+) priv aes \d+ ([0-9a-f\:]+)',
'PPP PAP Sent Username & Password' : r'ppp pap sent-username \name password \password',
'AAA TACACS+/RADIUS Server Private' : r'server-private \ip key \password',
'AAA TACACS+ Server Private' : r'tacacs-server key \password',
'SNMP Server Community string' : r'snmp-server community \password',
'IPSec VPN ISAKMP Pre-Shared Key' : r'pre-shared-key address \ip key \password'
},
'Cisco ASA' : {
@@ -88,6 +93,7 @@ regexes = {
'Other uncategorized XML password' : r'password>([^<]+)<',
'Other uncategorized authentication string' : r'.* authentication \password.*',
'Other hash-key related' : r'.* key \hash',
'Cisco 7 Password' : r'\cisco7',
},
}
@@ -95,9 +101,12 @@ config = {
'verbose' : False,
'debug' : False,
'lines' : 0,
'output' : 'normal',
'format' : 'normal',
'csv_delimiter' : ';',
'no_others' : False,
'filename' : False,
'nonunique' : False,
'output' : ''
}
markers = {
@@ -106,7 +115,8 @@ markers = {
'domain' : r'(([a-zA-Z]{1})|([a-zA-Z]{1}[a-zA-Z]{1})|([a-zA-Z]{1}[0-9]{1})|([0-9]{1}[a-zA-Z]{1})|([a-zA-Z0-9][a-zA-Z0-9-_]{1,61}[a-zA-Z0-9]))\.([a-zA-Z]{2,6}|[a-zA-Z0-9-]{2,30}\.[a-zA-Z]{2,3})',
'hash' : r'([a-fA-F0-9]{20,})',
'bcrypt' : r'([\$\w\.\/]+)',
'password': r'(?:\d\s+)?([^\s]+)',
'password': r'(?:(?:\d\s+)?([^\s]+))',
'cisco7' : r'\b(?:7 ([0-9a-f]{4,}))|(?:([0-9a-f]{4,}) 7)\b',
'keystring': r'([a-f0-9]+)',
}
@@ -115,7 +125,7 @@ foundCreds = set()
maxTechnologyWidth = 0
maxRegexpWidth = 0
results = set()
results = []
class Logger:
@staticmethod
@@ -156,7 +166,53 @@ def processRegex(inputRegex):
inputRegex = '^\\s*{}\\s*.*$'.format(inputRegex)
return inputRegex
def matchLines(lines, technology):
def cisco7Decrypt(data):
# source: https://github.com/theevilbit/ciscot7
xlat = [
0x64, 0x73, 0x66, 0x64, 0x3b, 0x6b, 0x66, 0x6f, 0x41, 0x2c, 0x2e,
0x69, 0x79, 0x65, 0x77, 0x72, 0x6b, 0x6c, 0x64, 0x4a, 0x4b, 0x44,
0x48, 0x53, 0x55, 0x42, 0x73, 0x67, 0x76, 0x63, 0x61, 0x36, 0x39,
0x38, 0x33, 0x34, 0x6e, 0x63, 0x78, 0x76, 0x39, 0x38, 0x37, 0x33,
0x32, 0x35, 0x34, 0x6b, 0x3b, 0x66, 0x67, 0x38, 0x37
]
dp = ''
regex = re.compile(r'(^[0-9A-Fa-f]{2})([0-9A-Fa-f]+)')
result = regex.search(data)
try:
if result:
s, e = int(result.group(1)), result.group(2)
for pos in range(0, len(e), 2):
magic = int(e[pos] + e[pos+1], 16)
newchar = ''
if s <= 50:
# xlat length is 51
newchar = '%c' % (magic ^ xlat[s])
s += 1
if s == 51: s = 0
dp += newchar
return dp
return ''
except:
return ''
def tryToCisco7Decrypt(creds):
if not len(creds):
return ''
decrypted = []
for m in re.finditer(markers['cisco7'], creds, re.I):
f = m.group(2) if m.group(2) != None else m.group(1)
out = cisco7Decrypt(f)
if out:
decrypted.append(out)
if len(decrypted):
return " (decrypted cisco 7: '" + "', '".join(decrypted) + "')"
return ''
def matchLines(file, lines, technology):
global foundCreds
global results
@@ -166,7 +222,7 @@ def matchLines(lines, technology):
for idx in range(len(lines)):
line = lines[idx].strip()
if line in foundCreds:
if not config['nonunique'] and line in foundCreds:
continue
processedRex = processRegex(regexes[technology][rex])
@@ -175,28 +231,28 @@ def matchLines(lines, technology):
num += 1
foundCreds.add(line)
creds = '", "'.join(matched.groups(1))
f = [x for x in matched.groups(1) if type(x) == str]
creds = '", "'.join(f)
creds += tryToCisco7Decrypt(line)
results.add((
technology, rex, creds
results.append((
file, technology, rex, creds
))
Logger._out('[+] {}: {}: {}'.format(
technology, rex, creds
))
if idx - config['lines'] >= 0:
for i in range(idx - config['lines'], idx):
Logger._out('[{:04}]\t\t{}'.format(i, lines[i]))
if config['lines'] != 0:
Logger._out('[{:04}]==>\t{}'.format(idx, line))
else:
Logger._out('[{:04}]\t\t{}'.format(idx, line))
Logger._out('\n[+] {}: {}: {}'.format(
technology, rex, creds
))
if idx + 1 + config['lines'] < len(lines):
for i in range(idx + 1, idx + config['lines'] + 1):
Logger._out('[{:04}]\t\t{}'.format(i, lines[i]))
if idx - config['lines'] >= 0:
for i in range(idx - config['lines'], idx):
Logger._out('[{:04}]\t\t{}'.format(i, lines[i]))
Logger._out('[{:04}]==>\t{}'.format(idx, line))
if idx + 1 + config['lines'] < len(lines):
for i in range(idx + 1, idx + config['lines'] + 1):
Logger._out('[{:04}]\t\t{}'.format(i, lines[i]))
Logger.dbg('\tRegex used: [ {} ]'.format(processedRex))
return num
@@ -205,21 +261,23 @@ def processFile(file):
lines = []
Logger.info('Processing file: "{}"'.format(file))
with open(file, 'r') as f:
lines = [ line.strip() for line in f.readlines()]
try:
with open(file, 'r') as f:
lines = [ line.strip() for line in f.readlines()]
except Exception as e:
Logger.err("Parsing file '{}' failed: {}.".format(file, str(e)))
return 0
num = 0
for technology in regexes:
if technology == 'Others':
continue
num0 = matchLines(lines, technology)
num0 = matchLines(file, lines, technology)
num += num0
if not config['no_others']:
num0 = matchLines(lines, 'Others')
if num0 == 0:
print('<none>')
num0 = matchLines(file, lines, 'Others')
num += num0
return num
@@ -237,11 +295,14 @@ def processDir(dirname):
def parseOptions(argv):
parser = argparse.ArgumentParser(prog = argv[0], usage='%(prog)s [options] <file>')
parser.add_argument('file', metavar='<file>', type=str, help='Config file or directory to process.')
parser.add_argument('-o', '--output', help = 'Output file.')
parser.add_argument('-H', '--with-filename', action='store_true', help = 'Print file name next to the results')
parser.add_argument('-R', '--show-nonunique', action='store_true', help = 'Print repeated, non unique credentials found. By default only unique references are returned.')
parser.add_argument('-C', '--lines', metavar='N', type=int, default=0, help='Display N lines around matched credential if verbose output is enabled.')
parser.add_argument('-f', '--format', choices=['raw', 'normal', 'tabular', 'csv'], default='normal', help="Specifies output format: 'raw' (only hashes), 'tabular', 'normal', 'csv'. Default: 'normal'")
parser.add_argument('-N', '--no-others', dest='no_others', action='store_true', help='Don\'t match "Others" category which is false-positives prone.')
parser.add_argument('-v', '--verbose', action='store_true', help='Display verbose output.')
parser.add_argument('-d', '--debug', action='store_true', help='Display debug output.')
parser.add_argument('-v', '--verbose', action='store_true', default=False, help='Display verbose output.')
parser.add_argument('-d', '--debug', action='store_true', default=False, help='Display debug output.')
if len(argv) < 2:
parser.print_help()
@@ -253,32 +314,40 @@ def parseOptions(argv):
config['debug'] = args.debug
config['lines'] = args.lines
config['no_others'] = args.no_others
config['filename'] = args.with_filename
config['nonunique'] = args.show_nonunique
config['output'] = args.output
if args.format == 'raw':
config['output'] = 'raw'
config['format'] = 'raw'
elif args.format == 'tabular':
config['output'] = 'tabular'
config['format'] = 'tabular'
elif args.format == 'csv':
config['output'] = 'csv'
config['format'] = 'csv'
else:
config['output'] == 'normal'
config['format'] == 'normal'
return args
def printResults():
global maxTechnologyWidth
global maxRegexpWidth
global results
# CSV Columns
cols = ['technology', 'name', 'hashes']
cols = ['file', 'technology', 'name', 'hashes']
def _print(technology, rex, creds):
if config['output'] == 'tabular':
print('[+] {0: <{width1}} {1:^{width2}}: "{2:}"'.format(
if not config['nonunique']:
results = set(results)
def _print(file, technology, rex, creds):
out = ''
if config['format'] == 'tabular':
out += '[+] {0: <{width1}} {1:^{width2}}: "{2:}"\n'.format(
technology, rex, creds,
width1 = maxTechnologyWidth, width2 = maxRegexpWidth
))
elif config['output'] == 'raw':
)
elif config['format'] == 'raw':
credstab = creds.split('", "')
longest = ''
@@ -286,24 +355,26 @@ def printResults():
if len(passwd) > len(longest):
longest = passwd
print('{}'.format(
out += '{}\n'.format(
passwd
))
elif config['output'] == 'csv':
)
elif config['format'] == 'csv':
creds = '"{}"'.format(creds)
rex = rex.replace(config['csv_delimiter'], ' ')
#creds = creds.replace(config['csv_delimiter'], ' ')
print(config['csv_delimiter'].join([technology, rex, creds]))
out += config['csv_delimiter'].join([file, technology, rex, creds])
out += '\n'
else:
print('[+] {}: {}: "{}"'.format(
out += '[+] {}: {}: "{}"\n'.format(
technology, rex, creds
))
)
return out
maxTechnologyWidth = 0
maxRegexpWidth = 0
for result in results:
technology, rex, creds = result
file, technology, rex, creds = result
if len(technology) > maxTechnologyWidth:
maxTechnologyWidth = len(technology)
@@ -313,23 +384,45 @@ def printResults():
maxTechnologyWidth = maxTechnologyWidth + 3
maxRegexpWidth = maxRegexpWidth + 3
if config['output'] == 'normal' or config['output'] == 'tabular':
print('\n=== CREDENTIALS FOUND:')
elif config['output'] == 'csv':
print(config['csv_delimiter'].join(cols))
outputToPrint = ''
if config['format'] == 'normal' or config['format'] == 'tabular':
outputToPrint += '\n=== CREDENTIALS FOUND:\n'
elif config['format'] == 'csv':
outputToPrint += config['csv_delimiter'].join(cols)
outputToPrint += '\n'
resultsPerFile = {}
otherResultsPerFile = {}
for result in results:
technology, rex, creds = result
if technology == 'Others': continue
_print(technology, rex, creds)
file, technology, rex, creds = result
if technology == 'Others':
if file not in otherResultsPerFile.keys():
otherResultsPerFile[file] = []
otherResultsPerFile[file].append((technology, rex, creds))
else:
if file not in resultsPerFile.keys():
resultsPerFile[file] = []
resultsPerFile[file].append((technology, rex, creds))
if not config['no_others'] and (config['output'] == 'normal' or config['output'] == 'tabular'):
print('\n=== BELOW LINES MAY BE FALSE POSITIVES:')
for file, _results in resultsPerFile.items():
if config['filename'] and config['format'] in ['raw', 'normal', 'tabular']:
outputToPrint += '\nResults from file: "{}"\n'.format(file)
for result in _results:
technology, rex, creds = result
outputToPrint += _print(file, technology, rex, creds)
for result in results:
technology, rex, creds = result
if technology != 'Others': continue
_print(technology, rex, creds)
if not config['no_others'] and (config['format'] == 'normal' or config['format'] == 'tabular'):
outputToPrint += '\n\n=== BELOW LINES MAY BE FALSE POSITIVES:\n'
for file, _results in otherResultsPerFile.items():
if config['filename'] and config['format'] in ['raw', 'normal', 'tabular']:
outputToPrint += '\nResults from file: "{}"\n'.format(file)
for result in _results:
technology, rex, creds = result
outputToPrint += _print(file, technology, rex, creds)
return outputToPrint
def main(argv):
Logger._out('''
@@ -356,9 +449,16 @@ def main(argv):
Logger.err('Please provide either file or directory on input.')
return False
printResults()
out = printResults()
if config['output'] == 'normal' or config['output'] == 'tabular':
if config['output']:
Logger.info("Dumping credentials to the output file: '{}'".format(config['output']))
with open(config['output'], 'w') as f:
f.write(out)
else:
print(out)
if config['format'] == 'normal' or config['format'] == 'tabular':
print('\n[>] Found: {} credentials.'.format(num))
if __name__ == '__main__':