1200KM / sigma-rule
Osacompile Execution By Potentially Suspicious Applet/Osascript — Sigma Rule
Sigma rule a753a6af-3126-426d-8bd0-26ebbcb92254. Osacompile Execution By Potentially Suspicious Applet/Osascript — Sigma Rule. Detects potential suspicious applet or osascript executing "osacompile".
Rule metadata and linked tags
Author: Sohan G (D4rkCiph3r), Red Canary (Idea). Source status: test; severity: medium. Source dates: 2023-04-03 / not supplied.
{
"category": "process_creation",
"product": "macos"
}Pinned original Sigma rule · Detection Rule License 1.1
Source SHA-256: ce02ee870ae81ce0a5eb40f0286c488fee3340ea2c85a7ea0e63c8d17a8415b1
Detection logic
Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.
title: Osacompile Execution By Potentially Suspicious Applet/Osascript
id: a753a6af-3126-426d-8bd0-26ebbcb92254
status: test
description: Detects potential suspicious applet or osascript executing "osacompile".
references:
- https://redcanary.com/blog/mac-application-bundles/
author: Sohan G (D4rkCiph3r), Red Canary (Idea)
date: 2023-04-03
tags:
- attack.execution
- attack.t1059.002
logsource:
category: process_creation
product: macos
detection:
selection:
ParentImage|endswith:
- '/applet'
- '/osascript'
CommandLine|contains: 'osacompile'
condition: selection
falsepositives:
- Unknown
level: medium
False positives
- Unknown
Source references
Connected ecosystem references
Exact source-tagged techniques
Telemetry review
Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.
Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.