Suspicious Python One-Liners with Base64 Decoding - Linux (via process_creation)
This rule detects the use of Python's base64 decoding functions in command line executions on Linux systems. Malicious scripts frequently use python one-liners to decode and execute base64-encoded payloads, which is a common method for obfuscation and evasion.
SigmahighLinuxv1
Full detection rule
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Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.