For over 15 years, YARA has been growing and evolving until it became an indispensable tool in every malware researcher’s toolbox.

What we need to know? C and C++ binaries share several commonalities, however, some additional features and complexities introduced by C++ can make reverse engineering C++ binaries more challenging compared to C binaries. Some of the most important features…

Technical blog by Stephan Berger (@malmoeb)

I was recently analyzing a malware sample that abuses the Beep function as an interesting evasion tactic. The Beep function basically plays an audible tone notification for the user. The Beep funct…

CVE-2024-4040 CrushFTP SSTI LFI & Auth Bypass | Full Server Takeover | Wordlist Support - Stuub/CVE-2024-4040-SSTI-LFI-PoC

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We provide a walkthrough of how attackers leverage DNS tunneling for tracking and scanning, an expansion of the way this technique is usually exploited.

Hotpatching has been looming over Windows 11 for a while now, having already been shipped on the server & cloud deployments. It first came out in March that the first major version to include it will be 24H2, which can now be confirmed in a few minutes of…

From research on how SS7 network attacks could be used in hybrid warfare we reveal the Russian-connected HiddenArt mobile threat actor

Notes on patch diffing, reverse engineering and exploiting CVE-2023-39238, CVE-2023-39239, and CVE-2023-39240.

CVE-2023-34992 Fortinet FortiSIEM Command Injection Deep-Dive and Indicators of Compromise. This blog details a command injection vulnerability which allows an unauthenticated attacker to access the FortiSIEM server as root to execute arbitrary commands.

Tenable Research has discovered a critical memory corruption vulnerability dubbed Linguistic Lumberjack in Fluent Bit, a core component in the monitoring infrastructure of many cloud services.

CYFIRMA researchers have identified a new information-stealing malware named "SamsStealer" that targets Windows systems.

TL;DR: Basically, if a target website is protected by a WAF using the OWASP Core Rule Set or Comodo Rule Set or Atomicorp Rule Set, you can send the string ORA-1234 or OracleDrive or ASL-CONFIG-FILE in a comment, product review, registration form, e-commerce…

A vulnerability in PDF.js found by Codean Labs. PDF.js is a JavaScript-based PDF viewer maintained by Mozilla. This bug allows an attacker to execute arbitrary JavaScript code as soon as a malicious PDF file is opened. This affects all Firefox users (

What are escape sequences

What is RDP, why is it a very nearly ubiquitous finding in incident response, and how can investigators run it to ground it when it goes wrong? An Active Adversary Special Report

Check Point Research has identified an unusual pattern of behavior involving PDF exploitation, mainly targeting users of Foxit Reader. This exploit triggers security warnings that could deceive unsuspecting users into executing harmful commands. Check Point…

Lately, I’ve been drawn to do some desk research and limited hands-on testing of physical security measures. I’ve written about this subject before, you can find the article here. Howev…

Abstract Once threat actors gain a foothold on a system, they must implement techniques to maintain that access, even in the event of restarts, updates in credentials or any other type of change...