Many DKIM setups used cryptographic keys vulnerable to the 2008 Debian OpenSSL Bug (CVE-2008-0166) in 2024.

In April 2024, while researching CVE-2023-36033, we discovered another zero-day elevation-of-privilege vulnerability, which was assigned CVE-2024-30051 identifier and patched on May, 14 as part of Microsoft's patch Tuesday. We have seen it exploited by QakBot…

ESET researchers provide technical analysis of the Lunar toolset, likely used by the Turla APT group, that infiltrated a European ministry of foreign affairs

Infosec is, at it’s heart, all about that data. Obtaining access to it (or disrupting access to it) is in every ransomware gang and APT group’s top-10 to-do-list items, and so it makes sense that our research voyage would, at some point, cross paths with…

TL;DR: Proton Mail generates PGP key and publishes it upon account creation using Web Key Directory (WKD) standard. The key contains account creation timestamp, with second precision, which reflects the account creation date.
Proton, a privacy-orient...

Enable secure access to private apps that use Domain Controller for authentication
 

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.