OnyxC2 is a malware family tracked across 2 threat clusters and 6 intelligence report mentions on ThreatCluster. First observed June 11, 2026; most recent activity June 12, 2026.
The SHEETCREEP espionage campaign employs a UAE-India diplomatic-themed ISO file to deliver a C# remote access trojan (RAT) via Google Sheets as its command-and-control channel. The ISO file, named…
OnyxC2 Stealer has emerged as a significant Malware-as-a-Service (MaaS) threat, targeting over 210 applications for credential theft and remote access. Sold for as low as $250 per month, it employs sophisticated evasion…