Cisco Talos Blog

October 31, 2024 09:37

Threat actors use copyright infringement phishing lure to deploy infostealers

Cisco Talos has observed a threat actor conducting a phishing campaign targeting Facebook business and advertising account users in Taiwan. This campaign delivers an information stealer onto the target's machine to avoid network security product detections.

October 22, 2024 06:00

Threat actor abuses Gophish to deliver new PowerRAT and DCRAT

Cisco Talos recently discovered a phishing campaign using an open-source phishing toolkit called Gophish by an unknown threat actor.

October 3, 2024 06:00

Threat actor believed to be spreading new MedusaLocker variant since 2022

The malware, called "BabyLockerKZ," has primarily affected users in Europe and South America.

September 26, 2024 09:00

Simple Mail Transfer Pirates: How threat actors are abusing third-party infrastructure to send spam

Many spammers have elected to attack web pages and mail servers of legitimate organizations, so they may use these “pirated” resources to send unsolicited email.

September 10, 2024 00:00

DragonRank, a Chinese-speaking SEO manipulator service provider

Cisco Talos is disclosing a new threat called “DragonRank” that primarily targets countries in Asia and a few in Europe, operating PlugX and BadIIS for search engine optimization (SEO) rank manipulation.

September 6, 2024 06:00

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.

September 3, 2024 08:00

Threat actors using MacroPack to deploy Brute Ratel, Havoc and PhantomCore payloads

The threat of VBA macros has diminished since Microsoft prevented the execution of macros in Microsoft Office documents downloaded from the internet, but not all users are using the latest up-to-date Office versions and can still be vulnerable.

June 21, 2024 08:00

Unveiling SpiceRAT: SneakyChef's latest tool targeting EMEA and Asia

The new remote access trojan (RAT) dubbed SpiceRAT was used by the threat actor SneakyChef in a recent campaign targeting government agencies in EMEA and Asia.

June 21, 2024 08:00

SneakyChef espionage group targets government agencies with SugarGh0st and more infection techniques

Cisco Talos recently discovered an ongoing campaign from SneakyChef, a newly discovered threat actor using SugarGh0st malware, as early as August 2023.