Multiple enhancements to networkConfigurationCredentialsExtract.py
This commit is contained in:
mgeeky
parent
6a02dbe886
commit
f31930c7c8
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@ -3,8 +3,9 @@
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#
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# Script intendend to sweep Cisco, Huawei and possibly other network devices
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# configuration files in order to extract plain and cipher passwords out of them.
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# Equipped with functionality to decrypt Cisco Type 7 passwords.
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#
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# Mariusz B., mgeeky '18
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# Mariusz B., mgeeky '18-20
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#
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import re
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@ -45,6 +46,10 @@ regexes = {
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'ISAKMP Pre-Shared Key' : r'crypto isakmp key \password(?: address \ip)?',
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'SNMP-Server User Auth & Encr keys' : r'snmp-server user \name .* encrypted auth md5 ([0-9a-f\:]+) priv aes \d+ ([0-9a-f\:]+)',
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'PPP PAP Sent Username & Password' : r'ppp pap sent-username \name password \password',
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'AAA TACACS+/RADIUS Server Private' : r'server-private \ip key \password',
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'AAA TACACS+ Server Private' : r'tacacs-server key \password',
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'SNMP Server Community string' : r'snmp-server community \password',
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'IPSec VPN ISAKMP Pre-Shared Key' : r'pre-shared-key address \ip key \password'
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},
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'Cisco ASA' : {
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@ -88,6 +93,7 @@ regexes = {
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'Other uncategorized XML password' : r'password>([^<]+)<',
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'Other uncategorized authentication string' : r'.* authentication \password.*',
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'Other hash-key related' : r'.* key \hash',
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'Cisco 7 Password' : r'\cisco7',
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},
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}
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@ -95,9 +101,12 @@ config = {
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'verbose' : False,
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'debug' : False,
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'lines' : 0,
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'output' : 'normal',
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'format' : 'normal',
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'csv_delimiter' : ';',
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'no_others' : False,
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'filename' : False,
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'nonunique' : False,
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'output' : ''
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}
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markers = {
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@ -106,7 +115,8 @@ markers = {
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'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})',
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'hash' : r'([a-fA-F0-9]{20,})',
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'bcrypt' : r'([\$\w\.\/]+)',
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'password': r'(?:\d\s+)?([^\s]+)',
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'password': r'(?:(?:\d\s+)?([^\s]+))',
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'cisco7' : r'\b(?:7 ([0-9a-f]{4,}))|(?:([0-9a-f]{4,}) 7)\b',
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'keystring': r'([a-f0-9]+)',
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}
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@ -115,7 +125,7 @@ foundCreds = set()
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maxTechnologyWidth = 0
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maxRegexpWidth = 0
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results = set()
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results = []
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class Logger:
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@staticmethod
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@ -156,7 +166,53 @@ def processRegex(inputRegex):
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inputRegex = '^\\s*{}\\s*.*$'.format(inputRegex)
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return inputRegex
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def matchLines(lines, technology):
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def cisco7Decrypt(data):
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# source: https://github.com/theevilbit/ciscot7
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xlat = [
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0x64, 0x73, 0x66, 0x64, 0x3b, 0x6b, 0x66, 0x6f, 0x41, 0x2c, 0x2e,
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0x69, 0x79, 0x65, 0x77, 0x72, 0x6b, 0x6c, 0x64, 0x4a, 0x4b, 0x44,
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0x48, 0x53, 0x55, 0x42, 0x73, 0x67, 0x76, 0x63, 0x61, 0x36, 0x39,
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0x38, 0x33, 0x34, 0x6e, 0x63, 0x78, 0x76, 0x39, 0x38, 0x37, 0x33,
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0x32, 0x35, 0x34, 0x6b, 0x3b, 0x66, 0x67, 0x38, 0x37
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]
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dp = ''
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regex = re.compile(r'(^[0-9A-Fa-f]{2})([0-9A-Fa-f]+)')
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result = regex.search(data)
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try:
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if result:
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s, e = int(result.group(1)), result.group(2)
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for pos in range(0, len(e), 2):
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magic = int(e[pos] + e[pos+1], 16)
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newchar = ''
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if s <= 50:
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# xlat length is 51
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newchar = '%c' % (magic ^ xlat[s])
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s += 1
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if s == 51: s = 0
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dp += newchar
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return dp
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return ''
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except:
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return ''
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def tryToCisco7Decrypt(creds):
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if not len(creds):
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return ''
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decrypted = []
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for m in re.finditer(markers['cisco7'], creds, re.I):
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f = m.group(2) if m.group(2) != None else m.group(1)
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out = cisco7Decrypt(f)
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if out:
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decrypted.append(out)
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if len(decrypted):
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return " (decrypted cisco 7: '" + "', '".join(decrypted) + "')"
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return ''
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def matchLines(file, lines, technology):
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global foundCreds
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global results
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@ -166,7 +222,7 @@ def matchLines(lines, technology):
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for idx in range(len(lines)):
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line = lines[idx].strip()
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if line in foundCreds:
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if not config['nonunique'] and line in foundCreds:
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continue
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processedRex = processRegex(regexes[technology][rex])
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@ -175,13 +231,16 @@ def matchLines(lines, technology):
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num += 1
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foundCreds.add(line)
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creds = '", "'.join(matched.groups(1))
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f = [x for x in matched.groups(1) if type(x) == str]
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creds = '", "'.join(f)
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creds += tryToCisco7Decrypt(line)
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results.add((
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technology, rex, creds
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results.append((
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file, technology, rex, creds
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))
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Logger._out('[+] {}: {}: {}'.format(
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if config['lines'] != 0:
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Logger._out('\n[+] {}: {}: {}'.format(
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technology, rex, creds
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))
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@ -189,10 +248,7 @@ def matchLines(lines, technology):
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for i in range(idx - config['lines'], idx):
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Logger._out('[{:04}]\t\t{}'.format(i, lines[i]))
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if config['lines'] != 0:
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Logger._out('[{:04}]==>\t{}'.format(idx, line))
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else:
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Logger._out('[{:04}]\t\t{}'.format(idx, line))
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if idx + 1 + config['lines'] < len(lines):
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for i in range(idx + 1, idx + config['lines'] + 1):
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@ -205,21 +261,23 @@ def processFile(file):
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lines = []
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Logger.info('Processing file: "{}"'.format(file))
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try:
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with open(file, 'r') as f:
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lines = [ line.strip() for line in f.readlines()]
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except Exception as e:
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Logger.err("Parsing file '{}' failed: {}.".format(file, str(e)))
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return 0
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num = 0
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for technology in regexes:
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if technology == 'Others':
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continue
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num0 = matchLines(lines, technology)
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num0 = matchLines(file, lines, technology)
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num += num0
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if not config['no_others']:
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num0 = matchLines(lines, 'Others')
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if num0 == 0:
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print('<none>')
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num0 = matchLines(file, lines, 'Others')
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num += num0
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return num
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@ -237,11 +295,14 @@ def processDir(dirname):
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def parseOptions(argv):
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parser = argparse.ArgumentParser(prog = argv[0], usage='%(prog)s [options] <file>')
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parser.add_argument('file', metavar='<file>', type=str, help='Config file or directory to process.')
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parser.add_argument('-o', '--output', help = 'Output file.')
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parser.add_argument('-H', '--with-filename', action='store_true', help = 'Print file name next to the results')
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parser.add_argument('-R', '--show-nonunique', action='store_true', help = 'Print repeated, non unique credentials found. By default only unique references are returned.')
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parser.add_argument('-C', '--lines', metavar='N', type=int, default=0, help='Display N lines around matched credential if verbose output is enabled.')
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parser.add_argument('-f', '--format', choices=['raw', 'normal', 'tabular', 'csv'], default='normal', help="Specifies output format: 'raw' (only hashes), 'tabular', 'normal', 'csv'. Default: 'normal'")
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parser.add_argument('-N', '--no-others', dest='no_others', action='store_true', help='Don\'t match "Others" category which is false-positives prone.')
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parser.add_argument('-v', '--verbose', action='store_true', help='Display verbose output.')
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parser.add_argument('-d', '--debug', action='store_true', help='Display debug output.')
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parser.add_argument('-v', '--verbose', action='store_true', default=False, help='Display verbose output.')
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parser.add_argument('-d', '--debug', action='store_true', default=False, help='Display debug output.')
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if len(argv) < 2:
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parser.print_help()
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@ -253,32 +314,40 @@ def parseOptions(argv):
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config['debug'] = args.debug
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config['lines'] = args.lines
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config['no_others'] = args.no_others
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config['filename'] = args.with_filename
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config['nonunique'] = args.show_nonunique
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config['output'] = args.output
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if args.format == 'raw':
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config['output'] = 'raw'
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config['format'] = 'raw'
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elif args.format == 'tabular':
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config['output'] = 'tabular'
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config['format'] = 'tabular'
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elif args.format == 'csv':
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config['output'] = 'csv'
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config['format'] = 'csv'
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else:
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config['output'] == 'normal'
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config['format'] == 'normal'
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return args
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def printResults():
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global maxTechnologyWidth
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global maxRegexpWidth
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global results
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# CSV Columns
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cols = ['technology', 'name', 'hashes']
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cols = ['file', 'technology', 'name', 'hashes']
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def _print(technology, rex, creds):
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if config['output'] == 'tabular':
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print('[+] {0: <{width1}} {1:^{width2}}: "{2:}"'.format(
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if not config['nonunique']:
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results = set(results)
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def _print(file, technology, rex, creds):
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out = ''
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if config['format'] == 'tabular':
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out += '[+] {0: <{width1}} {1:^{width2}}: "{2:}"\n'.format(
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technology, rex, creds,
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width1 = maxTechnologyWidth, width2 = maxRegexpWidth
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))
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elif config['output'] == 'raw':
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)
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elif config['format'] == 'raw':
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credstab = creds.split('", "')
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longest = ''
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@ -286,24 +355,26 @@ def printResults():
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if len(passwd) > len(longest):
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longest = passwd
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print('{}'.format(
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out += '{}\n'.format(
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passwd
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))
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elif config['output'] == 'csv':
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)
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elif config['format'] == 'csv':
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creds = '"{}"'.format(creds)
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rex = rex.replace(config['csv_delimiter'], ' ')
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#creds = creds.replace(config['csv_delimiter'], ' ')
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print(config['csv_delimiter'].join([technology, rex, creds]))
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out += config['csv_delimiter'].join([file, technology, rex, creds])
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out += '\n'
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else:
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print('[+] {}: {}: "{}"'.format(
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out += '[+] {}: {}: "{}"\n'.format(
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technology, rex, creds
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))
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)
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return out
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maxTechnologyWidth = 0
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maxRegexpWidth = 0
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for result in results:
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technology, rex, creds = result
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file, technology, rex, creds = result
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if len(technology) > maxTechnologyWidth:
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maxTechnologyWidth = len(technology)
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@ -313,23 +384,45 @@ def printResults():
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maxTechnologyWidth = maxTechnologyWidth + 3
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maxRegexpWidth = maxRegexpWidth + 3
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if config['output'] == 'normal' or config['output'] == 'tabular':
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print('\n=== CREDENTIALS FOUND:')
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elif config['output'] == 'csv':
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print(config['csv_delimiter'].join(cols))
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outputToPrint = ''
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if config['format'] == 'normal' or config['format'] == 'tabular':
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outputToPrint += '\n=== CREDENTIALS FOUND:\n'
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elif config['format'] == 'csv':
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outputToPrint += config['csv_delimiter'].join(cols)
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outputToPrint += '\n'
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resultsPerFile = {}
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otherResultsPerFile = {}
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for result in results:
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technology, rex, creds = result
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if technology == 'Others': continue
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_print(technology, rex, creds)
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file, technology, rex, creds = result
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if technology == 'Others':
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if file not in otherResultsPerFile.keys():
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otherResultsPerFile[file] = []
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otherResultsPerFile[file].append((technology, rex, creds))
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else:
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if file not in resultsPerFile.keys():
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resultsPerFile[file] = []
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resultsPerFile[file].append((technology, rex, creds))
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if not config['no_others'] and (config['output'] == 'normal' or config['output'] == 'tabular'):
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print('\n=== BELOW LINES MAY BE FALSE POSITIVES:')
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for result in results:
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for file, _results in resultsPerFile.items():
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if config['filename'] and config['format'] in ['raw', 'normal', 'tabular']:
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outputToPrint += '\nResults from file: "{}"\n'.format(file)
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for result in _results:
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technology, rex, creds = result
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if technology != 'Others': continue
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_print(technology, rex, creds)
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outputToPrint += _print(file, technology, rex, creds)
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if not config['no_others'] and (config['format'] == 'normal' or config['format'] == 'tabular'):
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outputToPrint += '\n\n=== BELOW LINES MAY BE FALSE POSITIVES:\n'
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for file, _results in otherResultsPerFile.items():
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if config['filename'] and config['format'] in ['raw', 'normal', 'tabular']:
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outputToPrint += '\nResults from file: "{}"\n'.format(file)
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for result in _results:
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technology, rex, creds = result
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outputToPrint += _print(file, technology, rex, creds)
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return outputToPrint
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def main(argv):
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Logger._out('''
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@ -356,9 +449,16 @@ def main(argv):
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Logger.err('Please provide either file or directory on input.')
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return False
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printResults()
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out = printResults()
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if config['output'] == 'normal' or config['output'] == 'tabular':
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if config['output']:
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Logger.info("Dumping credentials to the output file: '{}'".format(config['output']))
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with open(config['output'], 'w') as f:
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f.write(out)
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else:
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print(out)
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if config['format'] == 'normal' or config['format'] == 'tabular':
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print('\n[>] Found: {} credentials.'.format(num))
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if __name__ == '__main__':
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