Osacompile Execution By Potentially Suspicious Applet/Osascript

testmedium
log source: macos · process_creationauthor Sohan G (D4rkCiph3r), Red Canary (Idea)date 2023-04-03
01

description

What this is, in brief.

Detects potential suspicious applet or osascript executing "osacompile".

02

tags

attack.executionattack.t1059.002
03

rule source (YAML)

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
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.