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critical
WINDOWS_SCRIPT_CERTUTIL_RUNDLL_CHAIN
What it means
Hidden PowerShell invokes certutil -decode and rundll32 on the result.
Why it fires
This LOLBin chain materialises an encoded DLL and immediately executes one of its exports.
Other Script heuristics
SCRIPT_WSH_OBFUSCATED WINDOWS_PS_ADDTYPE_WINAPI_TAMPER LNK_POWERSHELL_BIGINT_NETWORK_ENDPOINT WINDOWS_PS_SCREENSHOT_UPLOAD_EXFIL SCRIPT_WSH_STREAM_WRITE_RUN_CHAIN WINDOWS_SCHEDULED_TASK_SCRIPT_EXEC WINDOWS_SCRIPT_BASE64_BINARY_DROPPER LNK_SCRIPT_DOWNLOADER MACOS_ZSH_LOADER SCRIPT_HEAVY_STRING_DECODER_OBFUSCATION SCRIPT_WSH_MASQUERADE LNK_HIDDEN_SCRIPT_EXEC