Suspicious File Decoded From Base64/Hex Through Certutil.EXE (via process_creation)
This rule detects the execution of certutil with either the "decode" or "decodehex" flags to decode base64 or hex encoded files. This can be misused by adversaries to decode an encoded payload before execution
SigmahighWindowsv1
Full detection rule
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- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.