Cisco Talos Blog

October 17, 2024 06:00

UAT-5647 targets Ukrainian and Polish entities with RomCom malware variants

Cisco Talos has observed a new wave of attacks active since at least late 2023, from a Russian speaking group we track as “UAT-5647”, against Ukrainian government entities and unknown Polish entities

August 21, 2024 06:00

MoonPeak malware from North Korean actors unveils new details on attacker infrastructure

Cisco Talos has uncovered a new remote access trojan (RAT) family we are calling “MoonPeak.” This a XenoRAT-based malware, which is under active development by a North Korean nexus cluster we are calling “UAT-5394.”

August 1, 2024 08:00

APT41 likely compromised Taiwanese government-affiliated research institute with ShadowPad and Cobalt Strike

ShadowPad, widely considered the successor of PlugX, is a modular remote access trojan (RAT) only seen sold to Chinese hacking groups.

June 13, 2024 06:00

Operation Celestial Force employs mobile and desktop malware to target Indian entities

Cisco Talos is disclosing a new malware campaign called “Operation Celestial Force” running since at least 2018. It is still active today, employing the use of GravityRAT, an Android-based malware, along with a Windows-based malware loader we track as “HeavyLift.”

May 30, 2024 08:01

LilacSquid: The stealthy trilogy of PurpleInk, InkBox and InkLoader

Cisco Talos is disclosing a new suspected data theft campaign, active since at least 2021, we attribute to an advanced persistent threat actor (APT) we’re calling “LilacSquid.”  Multiple TTPs utilized in this campaign bear some overlap with North Korean APT groups.

April 24, 2024 11:54

ArcaneDoor - New espionage-focused campaign found targeting perimeter network devices

ArcaneDoor is a campaign that is the latest example of state-sponsored actors targeting perimeter network devices from multiple vendors. Coveted by these actors, perimeter network devices are the perfect intrusion point for espionage-focused campaigns.

April 23, 2024 08:01

Suspected CoralRaider continues to expand victimology using three information stealers

Talos also discovered a new PowerShell command-line argument embedded in the LNK file to bypass anti-virus products and download the final payload into the victims’ host.

March 21, 2024 09:08

New details on TinyTurla’s post-compromise activity reveal full kill chain

We now have new information on the entire kill chain this actor uses, including the tactics, techniques and procedures (TTPs) utilized to steal valuable information from their victims and propagate through their infected enterprises.