China-nexus UAT-11587 targets government and policy organizations across Asia with Antino backdoor
Cisco Talos uncovered a cluster of activity we track as UAT-11587 targeting government and policy organizations across Asia, including in Taiwan, India, the Philippines, and Cambodia, to deliver a previously undocumented backdoor referred to as “Antino” in developer artifacts.
New Lua-based malware “LucidRook” observed in targeted attacks against Taiwanese organizations
Cisco Talos uncovered a cluster of activity we track as UAT-10362 conducting spear-phishing campaigns against Taiwanese non-governmental organizations (NGOs) and suspected universities to deliver a newly identified malware family, “LucidRook.”
Knife Cutting the Edge: Disclosing a China-nexus gateway-monitoring AitM framework
Cisco Talos uncovered “DKnife,” a fully featured gateway-monitoring and adversary-in-the-middle (AitM) framework comprising seven Linux-based implants.
Microsoft Patch Tuesday for November 2025 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for November 2025, which includes 63 vulnerabilities affecting a range of products, including 5 that Microsoft marked as “critical.”
Defining a new methodology for modeling and tracking compartmentalized threats
How do you profile actors and defend your systems when multiple threat actors are working together? In Part 2, Cisco Talos proposes an extended Diamond Model to analyze complex relationships between attackers.
Redefining IABs: Impacts of compartmentalization on threat tracking and modeling
Threat actors are teaming up, splitting attacks into stages and making defense harder than ever. In Part 1, Cisco Talos examines their tactics and defines their motivations.
Introducing ToyMaker, an initial access broker working in cahoots with double extortion gangs
Cisco Talos discovered a sophisticated attack on critical infrastructure by ToyMaker and Cactus, using the LAGTOY backdoor to orchestrate a relentless double extortion scheme.
Vulnerability in Tencent WeChat custom browser could lead to remote code execution
While this issue was disclosed and patched in the V8 engine in June 2023, the WeChat Webview component was not updated, and still remained vulnerable when Talos reported it to the vendor.
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.