Russian APT Deploys New 'Kapeka' Backdoor in Eastern European Attacks

A previously undocumented "flexible" backdoor called Kapeka has been "sporadically" observed in cyber attacks targeting Eastern Europe, including Estonia and Ukraine, since at least mid-2022. The findings come from Finnish cybersecurity firm WithSecure, which attributed the malware to the Russia-linked advanced persistent threat (APT) group tracked as Sandworm (aka APT44 or

Threat Actors Quick To Abuse SSH-Snake Worm-Like Tool

Hacker Group Linked to Russian Military Claims Credit for Cyberattack on Kyivstar

A hacker group calling itself Solntsepek—previously linked to Russia’s notorious Sandworm hackers—says it carried out a disruptive breach of Kyivstar, a major Ukrainian mobile and internet provider.

Russian Cyber Espionage Group Deploys LitterDrifter USB Worm in Targeted Attacks

Russian cyber espionage actors affiliated with the Federal Security Service (FSB) have been observed using a USB propagating worm called LitterDrifter in attacks targeting Ukrainian entities. Check Point, which detailed Gamaredon's (aka Aqua Blizzard, Iron Tilden, Primitive Bear, Shuckworm, and Winterflounder) latest tactics, branded the group as engaging in large-scale campaigns that are

Russian Hackers Linked to 'Largest Ever Cyber Attack' on Danish Critical Infrastructure

Russian threat actors have been possibly linked to what's been described as the "largest cyber attack against Danish critical infrastructure," in which 22 companies associated with the operation of the country's energy sector were targeted in May 2023.  "22 simultaneous, successful cyberattacks against Danish critical infrastructure are not commonplace," Denmark's SektorCERT said [PDF]. "The

Russian Hackers Sandworm Cause Power Outage in Ukraine Amidst Missile Strikes

The notorious Russian hackers known as Sandworm targeted an electrical substation in Ukraine last year, causing a brief power outage in October 2022. The findings come from Google's Mandiant, which described the hack as a "multi-event cyber attack" leveraging a novel technique for impacting industrial control systems (ICS). "The actor first used OT-level living-off-the-land (LotL) techniques to

Inside the Code of a New XWorm Variant

XWorm is a relatively new representative of the remote access trojan cohort that has already earned its spot among the most persistent threats across the globe.  Since 2022, when it was first observed by researchers, it has undergone a number of major updates that have significantly enhanced its functionality and solidified its staying power.  The analyst team at ANY.RUN came across the newest

Naked Security 33 1/3 – Cybersecurity predictions for 2023 and beyond

The problem with anniversaries is that there's an almost infinite number of them every day...

The CHRISTMA EXEC network worm – 35 years and counting!

"Uh-oh, this viruses-and-worms scene could turn out quite troublesome." If only we'd been wrong...

Wormhole cryptotrading company turns over $340,000,000 to criminals

It was the best of blockchains, it was the worst of blockchains... as Charles Dickens might have said.

Wormable Windows HTTP hole – what you need to know

One bug in the January 2022 Patch Tuesday list is getting lots of attention: "HTTP Protocol Stack Remote Code Execution Vulnerability".