DoNot’s Firestarter abuses Google Firebase Cloud Messaging to spread
The newly discovered Firestarter malware uses Google Firebase Cloud Messaging to notify its authors of the final payload location. Even if the command and control (C2) is taken down, the DoNot team can still redirect the malware to another C2 using Google infrastructure. The approach in the final payload upload denotes a highly personalized targeting […]
PROMETHIUM extends global reach with StrongPity3 APT
The PROMETHIUM threat actor — active since 2012 — has been exposed multiple times over the past several years.. However, this has not deterred this actor from continuing and expanding their activities. By matching indicators such as code similarity, command and control (C2) paths, toolkit structure and malicious behavior, Cisco Talos identified around 30 new […]
How Tortoiseshell created a fake veteran hiring website to host malware
Cisco Talos discovered a threat actor attempting to take advantage of Americans who may be seeking a job, especially military veterans. Symantec had previously identified the actor as Tortoiseshell.
Sea Turtle Keeps on Swimming
By Danny Adamitis with contributions from Paul Rascagneres. Executive summary After several months of activity, the actors behind the "Sea Turtle" DNS hijacking campaign are not slowing down. Cisco Talos recently discovered...
DNSpionage brings out the Karkoff
In November 2018, Cisco Talos discovered an attack campaign, called DNSpionage, in which threat actors created a new remote administrative tool that supports HTTP and DNS communication with the attackers'...
DNS Hijacking Abuses Trust In Core Internet Service
This blog post discusses the technical details of a state-sponsored attack manipulating DNS systems. While this incident is limited to targeting primarily national security organizations in the Middle East and...
DNSpionage Campaign Targets Middle East
DNSpionage Campaign Targets Middle East This blog post was authored by Warren Mercer and Paul Rascagneres. Executive Summary Cisco Talos recently discovered a new campaign targeting Lebanon and the United...
NavRAT Uses US-North Korea Summit As Decoy For Attacks In South Korea
Talos discovered a malicious Hangul Word Processor (HWP) document targeting Korean users. If a malicious document is opened, a remote access trojan, "NavRAT," downloads with command execution and keylogging capabilities.
GravityRAT – The Two-Year Evolution Of An APT Targeting India
GravityRAT malware has implemented new features, such as file exfiltration, remote command execution capability and anti-vm techniques. Consistent evolution and innovation beyond standard remote code execution is concerning.