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September 13, 2022 14:01

Microsoft Patch Tuesday for September 2022 — Snort rules and prominent vulnerabilities

September's security update features five critical vulnerabilities, 10 fewer than were included in last month’s Patch Tuesday.

September 8, 2022 08:01

Lazarus and the tale of three RATs

Cisco Talos assesses with high confidence these attacks have been conducted by the North Korean state-sponsored threat actor Lazarus Group.

September 7, 2022 08:01

MagicRAT: Lazarus’ latest gateway into victim networks

Cisco Talos has discovered a new remote access trojan (RAT) we're calling "MagicRAT," developed and operated by the Lazarus APT group, which the U.S. government believes is a North Korean state-sponsored actor.

August 2, 2022 08:00

Manjusaka: A Chinese sibling of Sliver and Cobalt Strike

* Cisco Talos recently discovered a new attack framework called "Manjusaka" being used in the wild that has the potential to become prevalent across the threat landscape. This framework is advertised as an imitation of the Cobalt Strike framework. * The implants for t

July 13, 2022 19:58

Transparent Tribe begins targeting education sector in latest campaign

* Cisco Talos has been tracking a new malicious campaign operated by the Transparent Tribe APT group. * This campaign involves the targeting of educational institutions and students in the Indian subcontinent, a deviation from the adversary's typical focus on government ent

May 10, 2022 15:32

Threat Advisory: Critical F5 BIG-IP Vulnerability

Summary A recently disclosed vulnerability in F5 Networks' BIG-IP could allow an unauthenticated attacker to access the BIG-IP system to execute arbitrary system commands, create and delete files, disable services and could lead to additional malicious activity. This vulner

May 5, 2022 08:01

Mustang Panda deploys a new wave of malware targeting Europe

* In February 2022, corresponding roughly with the start of the Russian Invasion of Ukraine, Cisco Talos began observing the China-based threat actor Mustang Panda conducting phishing campaigns against European entities, including Russian organizations. Some phishing messages co

March 29, 2022 08:01

Transparent Tribe campaign uses new bespoke malware to target Indian government officials

By Asheer Malhotra and Justin Thattil with contributions from Kendall McKay. * Cisco Talos has observed a new Transparent Tribe campaign targeting Indian government and military entities. While the actors are infecting victims with CrimsonRAT, their well-known malware of choi

March 24, 2022 12:57

Threat Advisory: DoubleZero

This post is also available in: Українська (Ukrainian) Overview The Computer Emergency Response Team of Ukraine released an advisory on March 22, 2022 disclosing another wiper dubbed "DoubleZero" targeting Ukrainian enterprises during Russia's invasion of the co