cephurs

<#----------------------------------------------------------------------------------------------------
Release Notes:

    v1.4: 
        Author: Jared Poeppelman, Microsoft
        First version published on TechNet Script Gallery
----------------------------------------------------------------------------------------------------#>

function Test-Command
    {

cephurs

/*
    Hunting Russian Intelligence “Snake” Malware

    The Snake implant is considered the most sophisticated cyber espionage tool designed and used by
    Center 16 of Russia’s Federal Security Service (FSB) for long-term intelligence collection on sensitive
    targets.
*/

rule Windows_Snake_Malware {
    meta:

cephurs

Yule Log4Jack Help

Hi, Josh Wright here. I'm the technical director for the Holiday Hack Challenge. We don't normally break the 4th wall like this, but we think this Log4j vulnerability calls for special measures to give you the information you need to assess, identify, and mitigate this vulnerability.

In this challenge, Icky McGoop asks for your help in exploiting a Java Solr server at http://solrpower.kringlecastle.com:8983. This server is vulnerable to the Log4shell vulnerability. Your goal is to exploit the server and get a

cephurs

Security Advisories / Bulletins / vendors Responses linked to Log4Shell (CVE-2021-44228)

Errors, typos, something to say ?

• If you want to add a link, comment or send it to me
• Feel free to report any mistake directly below in the comment or in DM on Twitter @SwitHak

Other great resources

• Royce Williams list sorted by vendors responses Royce List
• Very detailed list NCSC-NL
• The list maintained by U.S. Cybersecurity and Infrastructure Security Agency: CISA List

cephurs

cephurs

# C2 FQDNs
first seen fqdn
2019-12-11 23:37:10	updatemanagir.us
2019-12-20 17:51:05	cmdupdatewin.com
2019-12-26 18:03:27	scrservallinst.info
2020-01-10 00:33:57	winsystemupdate.com
2020-01-11 23:16:41	jomamba.best
2020-01-13 05:13:43	updatewinlsass.com
2020-01-16 11:38:53	winsysteminfo.com
2020-01-20 05:58:17	livecheckpointsrs.com

cephurs

Kerberos cheatsheet

Bruteforcing

With kerbrute.py:

python kerbrute.py -domain <domain_name> -users <users_file> -passwords <passwords_file> -outputfile <output_file>

With Rubeus version with brute module:

cephurs

How to Build a Cuckoo Sandbox Malware Analysis System

I had a heck of a time getting a Cuckoo sandbox running, and below I hope to help you get one up and running relatively quickly by detailing out the steps and gotchas I stumbled across along the way. I mention this in the references at the end of this gist, but what you see here is heavily influenced by this article from Nviso

Build your Linux Cuckoo VM

1. Setup a Ubuntu 16.04 64-bit desktop VM (download here) in VMWare with the following properties:

• 100GB hard drive
• 2 procs
• 8 gigs of RAM

cephurs

import os
import requests
import tempfile
import subprocess
import json


def main():
    win64_request = requests.get("https://api.github.com/repos/log2timeline/l2tbinaries/contents/win64")
    contents = json.loads(win64_request.text)

cephurs

#!/bin/bash
if [ $# -eq 0 ]
  then
    echo $'Usage:\n\tcheck-smb-v3.11.sh TARGET_IP_or_CIDR'
    exit 1
fi

echo "Checking if there's SMB v3.11 in" $1 "..."

nmap -p445 --script smb-protocols -Pn -n $1 | grep -P '\d+\.\d+\.\d+\.\d+|^\|.\s+3.11' | tr '\n' ' ' | replace 'Nmap scan report for' '@' | tr "@" "\n" | grep 3.11 | tr '|' ' ' | tr '_' ' ' | grep -oP '\d+\.\d+\.\d+\.\d+'