- From cheats to exploits: Webrat spreading via GitHub
December 23, 2025
In early 2025, security researchers uncovered a new malware family named Webrat. Initially, the Trojan targeted regular users by disguising itself as cheats for popular games like Rust, Counter-Strike, and Roblox, or as cracked software. In September, the attackers decided to widen their net: alongside gamers and users of pirated software, they are now targeting inexperienced ...
- CISA and Partners Release Update to Malware Analysis Report BRICKSTORM Backdoor
December 19, 2025
Today, the Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency, and Canadian Centre for Cyber Security released an update to the Malware Analysis Report BRICKSTORM Backdoor with indicators of compromise (IOCs) and detection signatures for additional BRICKSTORM samples. This update provides information on additional samples, including Rust-based samples. These samples demonstrate advanced persistence and defense ...
- SantaStealer is Coming to Town: A New, Ambitious Infostealer Advertised on Underground Forums
December 15, 2025
Rapid7 Labs has identified a new malware-as-a-service information stealer being actively promoted through Telegram channels and on underground hacker forums. The stealer is advertised under the name “SantaStealer” and is planned to be released before the end of 2025. Open source intelligence suggests that it recently underwent a rebranding from the name “BluelineStealer.” The malware collects ...
- NANOREMOTE, cousin of FINALDRAFT
December 11, 2025
In October 2025, Elastic Security Labs discovered a newly-observed Windows backdoor in telemetry. The fully-featured backdoor Elastic Security Lab call NANOREMOTE shares characteristics with malware described in REF7707 and is similar to the FINALDRAFT implant. One of the malware’s primary features is centered around shipping data back and forth from the victim endpoint using the Google ...
- SHADOW-VOID-042 Targets Multiple Industries with Void Rabisu-like Tactics
December 11, 2025
In October and November 2025, campaigns targeting sectors such as energy, defence, pharmaceuticals, and cybersecurity shared characteristics with older campaigns attributed to Void Rabisuopen on a new tab (also known as ROMCOM, Tropical Scorpius, Storm-0978). Void Rabisu is known to be associated with an actor group that has both financial and espionage motivations that are ...
- Uncovering Hidden Forensic Evidence in Windows: The Mystery of AutoLogger-Diagtrack-Listener.etl
December 9, 2025
During a recent incident response engagement, FortiGuard IR services (FGIR) responded to a ransomware attack where the threat actor heavily used anti forensic techniques to cover their tracks and to avoid their malware getting into the hands of researchers. They attempted to achieve this by deleting files and folders they had created, clearing logs and obfuscating ...
- National cybercrime network operating for 14 years dismantled in Indonesia
December 8, 2025
Security researchers have uncovered enormous cybercrime infrastructure in Indonesia that’s been operating unabated for more than 14 years. The length of the operation, the domains included, the malware circulated, and the data being sold on the black market, were all so big that the researchers – Malanta.ai – said the campaign resembles a nation-state campaign ...
- AI-Automated Threat Hunting Brings GhostPenguin Out of the Shadows
December 8, 2025
Hunting high-impact, advanced malware is a difficult task. It becomes even harder and more time-consuming when defenders focus on low-detection or zero-detection samples. Every day, a huge number of files are sent to platforms like VirusTotal, and the relevant ones often get lost in all that noise. Identifying malware with low or no detections is ...
- Hook for Gold: Inside GoldFactory’s Сampaign That Turns Apps Into Goldmines
December 3, 2025
In February 2024, Group-IB uncovered sophisticated mobile threat campaigns that show how fast banking malware is evolving across the Asia-Pacific region. Ongoing monitoring of this evolving threat revealed a surge of aggressive mobile Trojans targeting both iOS and Android users, all operated by a single threat actor tracked as GoldFactory. Since releasing our initial report, we ...
- Iranian hacker group deploys malicious Snake game to target Egyptian and Israeli critical infrastructure
December 3, 2025
An Iranian-aligned hacking group tracked as ‘MuddyWater’ has dramatically shifted tactics in attacks against Israeli and Egyptian critical infrastructure. Previous campaigns by the group, observed by ESET Research, were characteristically noisy in their tactics, techniques, and procedures (TTPs) making them easily detectable. However, the group has begun employing a new backdoor deployed via the Fooder loader, ...
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