In October 2025, Microsoft Threat Intelligence identified destructive wiping activity and uncovered a sophisticated Go programming language (Golang)-based backdoor we now track as GigaWiper, a versatile implant that combines robust command-and-control (C2) capabilities with multiple destructive payloads, including disk wiping, fake ransomware, and system-level sabotage.
GigaWiper is particularly notable for its makeup. It’s not a single, purpose-built tool, but an amalgamation of separate malware families that were folded into GigaWiper as on-demand backdoor commands, giving threat actors the flexibility to choose their mode of destruction.
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Source: Microsoft
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