SPECTRALVIPER XGU::Feature Token Theft and Impersonation Strings in Memory
Detects evidence of the SPECTRALVIPER backdoor, specifically targeting its token theft and impersonation capabilities ('XGU::Feature'). The rule monitors for presence of specific internal RTTI class names and method strings in process command lines or activity associated with specific potentially compromised host processes such as OneDrive or Intel Audio services.
Sigma

