Pay2Key XOR PowerShell Decoding of data1/data2/data3.bin with Key 12199

Ibrahim Saud@tektrix

•updated Jun 28, 2026•0•0•6

Detects execution of PowerShell commands associated with the Pay2Key ransomware, specifically searching for command lines that reference bin-staged payloads (data1.bin, data2.bin, data3.bin) and a hardcoded XOR key (12199) used to deobfuscate the payloads in memory before execution via Invoke-Expression or similar methods.