Storm-2603 Deploys DNS-Controlled Backdoor in Warlock and LockBit Ransomware Attacks

The threat actor linked to the exploitation of the recently disclosed security flaws in Microsoft SharePoint Server is using a bespoke command-and-control C2 framework called AK47 C2 also spelled ak47c2 in its operations. The framework includes at least two different types of clients, HTTP-based...

Chinese Hackers Target Linux Systems Using SNOWLIGHT Malware and VShell Tool

The China-linked threat actor known as UNC5174 has been attributed to a new campaign that leverages a variant of a known malware dubbed SNOWLIGHT and a new open-source tool called VShell to infect Linux systems. "Threat actors are increasingly using open source tools in their arsenals for...

Exploit for Server-Side Request Forgery in Havocframework Havoc

Havoc-C2-RCE CVE-2024-41570 This is a Chained RCE CVE-2024-...

Notorious Hacker Group TeamTNT Launches New Cloud Attacks for Crypto Mining

The infamous cryptojacking group known as TeamTNT appears to be readying for a new large-scale campaign targeting cloud-native environments for mining cryptocurrencies and renting out breached servers to third-parties. "The group is currently targeting exposed Docker daemons to deploy Sliver...

MuddyC2Go: New C2 Framework Iranian Hackers Using Against Israel

Iranian nation-state actors have been observed using a previously undocumented command-and-control C2 framework called MuddyC2Go as part of attacks targeting Israel. "The framework's web component is written in the Go programming language," Deep Instinct security researcher Simon Kenin said in a...

MuddyWater Returns with a New Spear-Phishing Campaign

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary MuddyWater, the Iranian nation-state actor, has been identified in a new spearphishing campaign targeting two Israeli entities and deploying a legitimate remote administration tool known as N-able Advanc...

Banking Sector Targeted in Open-Source Software Supply Chain Attacks

Cybersecurity researchers said they have discovered what they say is the first open-source software supply chain attacks specifically targeting the banking sector. "These attacks showcased advanced techniques, including targeting specific components in web assets of the victim bank by attaching...

Nimbo-C2 - Yet Another (Simple And Lightweight) C2 Framework

About Nimbo-C2 is yet another simple and lightweight C2 framework. Nimbo-C2 agent supports x64 Windows & Linux. It's written in Nim, with some usage of .NET on Windows by dynamically loading the CLR to the process. Nim is powerful, but interacting with Windows is much easier and robust using...

Threat Actors Adopt Havoc Framework for Post-Exploitation in Targeted Attacks

An open source command-and-control C2 framework known as Havoc is being adopted by threat actors as an alternative to other well-known legitimate toolkits like Cobalt Strike, Sliver, and Brute Ratel. Cybersecurity firm Zscaler said it observed a new campaign in the beginning of January 2023...

Threat Source newsletter (Oct. 20, 2022) — Shields Up! No seriously, Shields Waaaaay Up

By Jon Munshaw. Welcome to this week’s edition of the Threat Source newsletter. I’m very excited about this video I’ve embedded below — it’s a project I’ve been working on with my team for a while now. Building off what I’ve written about in the past regarding fake news, this video examines what...

Linux, Windows and macOS Hit By New “Alchimist” Attack Framework

By Deeba Ahmed Alchimist is a single-file C2 framework discovered on a server hosting an active file listing on the root directory and a set of post-exploitation tools. This is a post from HackRead.com Read the original post: Linux, Windows and macOS Hit By New "Alchimist" Attack Framework...

Introducing Qualys Threat Research Thursdays

Welcome to the first edition of the Qualys Research Team’s “Threat Research Thursday” where we collect and curate notable new tools, techniques, procedures, threat intelligence, cybersecurity news, malware attacks, and more. We will endeavor to issue these update reports regularly, as often as...

Looking for the ‘Sliver’ lining: Hunting for emerging command-and-control frameworks

Microsoft has observed the Sliver command-and-control C2 framework now being adopted and integrated in intrusion campaigns by nation-state threat actors, cybercrime groups directly supporting ransomware and extortion, and other threat actors to evade detection. We’ve seen these actors use Sliver...

DCOM abuse and lateral movement with Cobalt Strike

Introduction When researching lateral movement techniques I came across a post from Raphael Mudge of Cobalt Strike fame. He details scripting an Aggressor Script for Matt Nelson’s MMC20.Application Lateral Movement technique. Reading that post spurred me to make my own DCOM based lateral movement...

BadOutlook - (Kinda) Malicious Outlook Reader

A simple PoC which leverages the Outlook Application Interface COM Interface to execute shellcode on a system based on a specific trigger subject line. By utilizing the Microsoft.Office.Interop.Outlook namespace, developers can represent the entire Outlook Application or at least according to...

LOLBITS v2.0.0 - C2 Framework That Uses Background Intelligent Transfer Service (BITS) As Communication Protocol And Direct Syscalls + Dinvoke For EDR User-Mode Hooking Evasion

LOLBITS is a C2 framework that uses Microsoft's Background Intelligent Transfer Service BITS to establish the communication channel between the compromised host and the backend. The C2 backend is hidden behind an apparently harmless flask web application and it's only accesible when the HTTP...

UPDATE: PoshC2 v5.2

Back in November 2019, PoshC2 v5.0 was released and now, a couple of days ago PoshC2 v5.2 was released as well. This release has significant refactoring changes to make this open source post-exploitation C2 framework more intuitive to use and contribute to. The guys at Nettitude labs have taken...

UPDATE: PoshC2 v5.0

A couple of days ago, PoshC2 v5.0 was released to the public. I briefly mentioned PoshC2 in my post titled – List of Open Source C2 Post-Exploitation Frameworks. Significant changes and improvements have been made to this version, most notably - PoshC2 has been completely rewritten in Python3. Wh...

UPDATE: FactionC2 2019-10-20

PenTestIT RSS Feed FactionC2 2019-10-20 was released a couple of days ago by the author. This C2 framework was briefly mentioned in my previous post titled List of Open Source C2 Post-Exploitation Frameworks. This release most importantly contains upgrades to .Net Core 3 version among additional...

Nuages - A Modular C2 Framework

Nuages is a modular C2 framework. Refer to the Wiki for documentation, do not hesitate to open issues for help, bug reports or feature requests Introduction Nuages aims at being a C2 framework in which back end elements are open source, whilst implants and handlers must be developed ad hoc by...