OldGremlin Ransomware Targeted Over a Dozen Russian Entities in Multi-Million Scheme

A Russian-speaking ransomware group dubbed OldGremlin has been attributed to 16 malicious campaigns aimed at entities operating in the transcontinental Eurasian nation over the course of two and a half years. "The group's victims include companies in sectors such as logistics, industry, insurance...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Critical RCE Vulnerability Discovered in Popular Cobalt Strike Hacking Software

HelpSystems, the company behind the Cobalt Strike software platform, has released an out-of-band security update to address a remote code execution vulnerability that could allow an attacker to take control of targeted systems. Cobalt Strike is a commercial red-team framework that's mainly used f...

PT-2022-26675

Name of the Vulnerable Software and Affected Versions Cobalt Strike version 4.7.1 Description The issue arises from the failure to properly escape HTML tags when they are displayed on Swing components. By injecting crafted HTML code, it is possible to remotely execute code in the Cobalt Strike UI...

Black Basta Ransomware Hackers Infiltrate Networks via Qakbot to Deploy Brute Ratel C4

The threat actors behind the Black Basta ransomware family have been observed using the Qakbot trojan to deploy the Brute Ratel C4 framework as a second-stage payload in recent attacks. The development marks the first time the nascent adversary simulation software is being delivered via a Qakbot...

Exploit for Cross-site Scripting in Helpsystems Cobalt_Strike

CVE-2022-39197 RCE POC Usage - Prepare Payload 1...

Hunting for Cobalt Strike: Mining and plotting for fun and profit

Introduction Cobalt Strike is a commercial Command and Control framework built by Helpsystems. You can find out more about Cobalt Strike on the MITRE ATT&CK page. But it can also be used by real adversaries. In this post we describe how to use RiskIQ and other Microsoft technologies to see if you...

Budworm Hackers Resurface with New Espionage Attacks Aimed at U.S. Organization

An advanced persistent threat APT actor known as Budworm targeted a U.S.-based entity for the first time in more than six years, according to latest research. The attack was aimed at an unnamed U.S. state legislature, the Symantec Threat Hunter team, part of Broadcom Software, said in a report...

Hunting for Cobalt Strike: Mining and plotting for fun and profit

Introduction Introduction Cobalt Strike is a commercial Command and Control framework built by Helpsystems. You can find out more about Cobalt Strike on the MITRE ATT&CK page. But it can also be used by real adversaries. In this post we describe how to use RiskIQ and other Microsoft technologies ...

Hunting for Cobalt Strike: Mining and plotting for fun and profit

Introduction Cobalt Strike is a commercial Command and Control framework built by Helpsystems. You can find out more about Cobalt Strike on the MITRE ATT&CK page. But it can also be used by real adversaries. In this post we describe how to use RiskIQ and other Microsoft technologies to see if you...

Black Basta Ransomware Gang Infiltrates Networks via QAKBOT, Brute Ratel, and Cobalt Strike

We analyzed a QAKBOT-related case leading to a Brute Ratel C4 and Cobalt Strike payload that can be attributed to the threat actors behind the Black Basta ransomware...

Black Basta Ransomware Gang Infiltrates networks via QAKBOT, Brute Ratel, and Cobalt Strike

We analyzed a QAKBOT-related case leading to a Brute Ratel C4 and Cobalt Strike payload that can be attributed to the threat actors behind the Black Basta ransomware...

New Report Uncovers Emotet's Delivery and Evasion Techniques Used in Recent Attacks

Threat actors associated with the notorious Emotet malware are continually shifting their tactics and command-and-control C2 infrastructure to escape detection, according to new research from VMware. Emotet is the work of a threat actor tracked as Mummy Spider aka TA542, emerging in June 2014 as ...

Metasploit Weekly Wrap-Up

Bofloader - Windows Meterpreter Gets Beacon Object File Loader Support This week brings a new and frequently requested feature to the Windows Meterpreter, the Beacon Object File loader. This new extension, bofloader, allows for users to execute Beacon Object Files as written for either Cobalt...

The Bug Report — September 2022 Edition

The Bug Report — September 2022 Edition By Trellix · October 5, 2022 This blog was written by Charles McFarland As long as it works.... Why am I here? Welcome back to the Bug Report, don’t-stub-your-toe edition! For those in the audience unfamiliar with how we do things here, every month we filte...

How Water Labbu Exploits Electron-Based Applications

In the second part of our Water Labbu blog series, we explore how the threat actor exploits Electron-based applications using Cobalt Strike to deploy backdoors...

New Malware Campaign Targeting Job Seekers with Cobalt Strike Beacons

A social engineering campaign leveraging job-themed lures is weaponizing a years-old remote code execution flaw in Microsoft Office to deploy Cobalt Strike beacons on compromised hosts. "The payload discovered is a leaked version of a Cobalt Strike beacon," Cisco Talos researchers Chetan...