New GigaWiper Windows Backdoor Bundles Disk Wiping, Fake Ransomware, and Spyware

**Executive summary:** Microsoft and Binary Defense analysed a destructive Windows backdoor tracked as GigaWiper (also reported as BLUERABBIT) that bundles three destructive modules (raw disk wiper, Windows-drive multi-pass wiper, and fake ransomware based on Crucio) alongside remote-control/espionage features; Microsoft links code to FlockWiper/Crucio and notes likely Iran-nexus activity targeting Israeli organizations, provides IoCs (hashes, command servers) and detection/mitigation recommendations.