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': 'Get-SPN',
'Author': ['@_nullbind'],
'Description': ('Displays Service Principal Names (SPN) for domain accounts '
'based on SPN service name, domain account, or domain group '
'via LDAP queries.'),
'Background' : True,
'OutputExtension' : None,
'NeedsAdmin' : False,
'OpsecSafe' : True,
'Language' : 'powershell',
'MinLanguageVersion' : '2',
'Comments': [
'https://raw.githubusercontent.com/nullbind/Powershellery/master/Stable-ish/Get-SPN/Get-SPN.psm1'
]
}
# 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' : ''
},
'Type' : {
'Description' : "'group', 'user', or 'service'",
'Required' : False,
'Value' : 'service'
},
'Search' : {
'Description' : 'Search string for group, username, or service name. Wildcards accepted.',
'Required' : False,
'Value' : 'MSSQL*'
}
}
# 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/situational_awareness/network/Get-SPN.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 = "\nGet-SPN"
for option,values in self.options.items():
if option.lower() != "agent":
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'])
scriptEnd += " -List yes | Format-Table -Wrap | Out-String | %{$_ + \"`n\"}"
if obfuscate:
scriptEnd = helpers.obfuscate(self.mainMenu.installPath, psScript=scriptEnd, obfuscationCommand=obfuscationCommand)
script += scriptEnd
return script