Sigma rule: Potential Discovery Activity Using Find - Linux

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-404f81dc640b, updated 2022-12-28T00:00:00.000Z.

Rule

Title
Potential Discovery Activity Using Find - Linux
Status
test
Level
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2022-12-28
File
rules/linux/process_creation/proc_creation_lnx_susp_find_execution.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

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

Log source

product
linux
category
process_creation

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 (as the rule lists them)

  • Unknown

Tags

  • attack.discovery
  • attack.t1083

MITRE ATT&CK ids this rule names

Related rules

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/linux/process_creation/proc_creation_lnx_susp_find_execution.yml

Sources and licences

  • SigmaHQ

    "Potential Discovery Activity Using Find - Linux" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/linux/process_creation/proc_creation_lnx_susp_find_execution.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Potential Discovery Activity Using Find - Linux",
entity page, dataset version ref-404f81dc640b, updated 2022-12-28T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/8344c0e5-5783-47cc-9cf9-a0f7fd03e6cf (accessed 2026-11-03).
Underlying source: SigmaHQ rule 8344c0e5-5783-47cc-9cf9-a0f7fd03e6cf, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.