sigmalowHunting

Capabilities Discovery - Linux

Detects usage of "getcap" binary. This is often used during recon activity to determine potential binaries that can be abused as GTFOBins or other.

MITRE ATT&CK

T1083

discovery

Detection Query

selection:
  Image|endswith: /getcap
  CommandLine|contains: " -r "
condition: selection

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2022-12-28

Data Sources

linuxProcess Creation Events

Platforms

linux

References

Tags

attack.discoveryattack.t1083

Raw Content

title: Capabilities Discovery - Linux
id: d8d97d51-122d-4cdd-9e2f-01b4b4933530
status: test
description: Detects usage of "getcap" binary. This is often used during recon activity to determine potential binaries that can be abused as GTFOBins or other.
references:
    - https://github.com/SaiSathvik1/Linux-Privilege-Escalation-Notes
    - https://github.com/carlospolop/PEASS-ng
    - https://github.com/diego-treitos/linux-smart-enumeration
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-12-28
modified: 2026-01-24
tags:
    - attack.discovery
    - attack.t1083
logsource:
    category: process_creation
    product: linux
detection:
    selection:
        Image|endswith: '/getcap'
        CommandLine|contains: ' -r '
    condition: selection
falsepositives:
    - Unknown
level: low