Cisco Talos Intelligence Blog

February 23, 2021 07:02

Gamaredon - When nation states don’t pay all the bills

By Warren Mercer and Vitor Ventura. Update 02/22: The IOC section has been updated * Gamaredon is a threat actor, active since at least 2013, that has long been associated with pro-Russian activities in several reports throughout the years. It is extremely aggressive and is us

February 9, 2021 14:02

Kasablanka Group's LodaRAT improves espionage capabilities on Android and Windows

* The developers of LodaRAT have added Android as a targeted platform. * A new iteration of LodaRAT for Windows has been identified with improved sound recording capabilities. * The operators behind LodaRAT tied to a specific campaign targeting Bangladesh, although others h

June 29, 2020 13:06

PROMETHIUM extends global reach with StrongPity3 APT

By Warren Mercer, Paul Rascagneres and Vitor Ventura. News summary * The threat actor behind StrongPity is not deterred despite being exposed multiple times over the past four years. * They continue to expand their victimology and attack seemingly non related countries. *

October 21, 2019 10:10

Gustuff return, new features for victims

By Vitor Ventura with contributions from Chris Neal. Executive summary The Gustuff banking trojan is back with new features, months after initially appearing targeting financial institutions in Australia. Cisco Talos first reported on Gustuff in April. Soon after, the actors be

April 9, 2019 13:04

Gustuff banking botnet targets Australia

EXECUTIVE SUMMARY Cisco Talos has uncovered a new Android-based campaign targeting Australian financial institutions. As the investigation progressed, Talos came to understand that this campaign was associated with the "ChristinaMorrow" text message spam scam previously spotted

December 10, 2018 11:12

in(Secure) messaging apps — How side-channel attacks can compromise privacy in WhatsApp, Telegram, and Signal

This blog post is authored by Vitor Ventura. Executive summary Messaging applications have been around since the inception of the internet. But recently, due to the increased awareness around mass surveillance in some countries, more users are installing end-to-end encrypted

November 19, 2018 09:11

Vulnerability Spotlight: Multiple remote vulnerabilities in TP-Link TL-R600VPN

Vulnerabilities discovered by Carl Hurd and Jared Rittle of Cisco Talos. Cisco Talos is disclosing multiple vulnerabilities in the TP-Link TL-R600VPN router. TP-Link produces a number of different types of small and home office (SOHO) routers. Talos discovered several bugs in th