Fake Tech Support Spam Deploys Customized Havoc C2 Across Organizations

Threat hunters have called attention to a new campaign as part of which bad actors masqueraded as fake IT support to deliver the Havoc command-and-control C2 framework as a precursor to data exfiltration or ransomware attack. The intrusions, identified by Huntress last month across five partner...

Tomiris wreaks Havoc: New tools and techniques of the APT group

While tracking the activities of the Tomiris threat actor, we identified new malicious operations that began in early 2025. These attacks targeted foreign ministries, intergovernmental organizations, and government entities, demonstrating a focus on high-value political and diplomatic...

Exploit for Server-Side Request Forgery in Havocframework Havoc

Havoc-C2-SSRF-to-RCE This is a modified version of the CVE-202...

Researchers Uncover Grayling APT's Ongoing Attack Campaign Across Industries

A previously undocumented threat actor of unknown provenance has been linked to a number of attacks targeting organizations in the manufacturing, IT, and biomedical sectors in Taiwan. The Symantec Threat Hunter Team, part of Broadcom, attributed the attacks to an advanced persistent threat APT it...

APT28 Targets Ukrainian Government Entities with Fake "Windows Update" Emails

The Computer Emergency Response Team of Ukraine CERT-UA has warned of cyber attacks perpetrated by Russian nation-state hackers targeting various government bodies in the country. The agency attributed the phishing campaign to APT28, which is also known by the names Fancy Bear, Forest Blizzard,...

Threat Actors Adopt Havoc Framework for Post-Exploitation in Targeted Attacks

An open source command-and-control C2 framework known as Havoc is being adopted by threat actors as an alternative to other well-known legitimate toolkits like Cobalt Strike, Sliver, and Brute Ratel. Cybersecurity firm Zscaler said it observed a new campaign in the beginning of January 2023...

Threat Actors Adopt Havoc Framework for Post-Exploitation in Targeted Attacks

An open source command-and-control C2 framework known as Havoc is being adopted by threat actors as an alternative to other well-known legitimate toolkits like Cobalt Strike, Sliver, and Brute Ratel. Cybersecurity firm Zscaler said it observed a new campaign in the beginning of January 2023...