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[Rule: Tuning] Rule triggers for false positive due to broad wildcard #6205

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[Rule: Tuning] Rule triggers for false positive due to broad wildcard #6205

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4 changes: 2 additions & 2 deletions rules/linux/defense_evasion_base64_decoding_activity.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
creation_date = "2025/02/21"
integration = ["endpoint"]
maturity = "production"
updated_date = "2026/04/10"
updated_date = "2026/05/27"

[rule]
author = ["Elastic"]
Expand Down Expand Up @@ -101,7 +101,7 @@ from logs-endpoint.events.process-* metadata _id, _index, _version
event.action == "exec" and (
(
process.name in ("base64", "base64plain", "base64url", "base64mime", "base64pem", "base32", "base16") and
process.command_line like "*-*d*"
process.args in ("-d", "--decode", "-D")
) or
(
process.name == "openssl" and
Expand Down
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