Detectionmediumtest

Potential Discovery Activity Using Find - MacOS

Detects usage of "find" binary in a suspicious manner to perform discovery

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch
Nasreddine Bencherchali (Nextron Systems)Created Wed Dec 2885de3a19-b675-4a51-bfc6-b11a5186c971macos
Log Source
macOSProcess Creation
ProductmacOS← raw: macos
CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        Image|endswith: '/find'
        CommandLine|contains:
            - '-perm -4000'
            - '-perm -2000'
            - '-perm 0777'
            - '-perm -222'
            - '-perm -o w'
            - '-perm -o x'
            - '-perm -u=s'
            - '-perm -g=s'
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

Rule Metadata
Rule ID
85de3a19-b675-4a51-bfc6-b11a5186c971
Status
test
Level
medium
Type
Detection
Created
Wed Dec 28
Path
rules/macos/process_creation/proc_creation_macos_susp_find_execution.yml
Raw Tags
attack.discoveryattack.t1083
View on GitHub