We helped Apple fix a vulnerability in the kernel of its operating systems
We helped Apple fix a vulnerability in the kernel of its operating systems PT ESC expert Mikhail Lozhnikov discovered a flaw that could cause a sudden system sh…
Dirty Frag 🐧
Dirty Frag 🐧💥 A week after the widely discussed Copy.Fail, researcher v4bel disclosed a new privilege escalation technique in the Linux kernel — Dirty Frag. As…
We would very much like to give you a review of the "tomato gose," but on Friday you voted for a new analysis of (Ex)Cobalt...
We would very much like to give you an overview of "tomato gose," but on Friday you voted for a new analysis of (Ex)Cobalt... 🙄 This is one of the most active a…
(Ex)Cobalt == (Ex)Carbanak
(Ex)Cobalt == (Ex)Carbanak 🤔 Since the beginning of 2025, the PT ESC team has observed a rise in the number of attacks using the SshDoor backdoor. Russian gover…
In Puma's footsteps: how to detect a rootkit through its own interface
🐾 Following in Puma's Footsteps: How to Detect a Rootkit Through Its Own Interface Today, our review covers a technically interesting and multifunctional Linux…
"Why aren't you answering?", or The Story of How to Hijack a Telegram Account Without Registration or SMS
😐 “Why aren't you answering?”, or The Story of How to Steal a Telegram Account Without Registration or SMS Recently we published an article about the most popul…
Gsocket: how to find one of the most popular tools
Gsocket: how to find one of the most popular tools 🙂 In the course of investigating numerous incidents involving the compromise of Linux nodes, we often discove…
utmpdump dual-purpose
utmpdump dual-use Default Unix systems have little forensic information (vs Windows) and a lot of useful utilities. For example, there is a "wonderful" utility…