{"id":"d8d97d51-122d-4cdd-9e2f-01b4b4933530","title":"Capabilities Discovery - Linux","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.","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"low","date":"2022-12-28","modified":"2026-01-24","tags":["attack.discovery","attack.t1083"],"technique_ids":["T1083"],"logsource":{"category":"process_creation","product":"linux"},"falsepositives":["Unknown"],"references":["https://github.com/SaiSathvik1/Linux-Privilege-Escalation-Notes","https://github.com/carlospolop/PEASS-ng","https://github.com/diego-treitos/linux-smart-enumeration"],"source_path":"rules/linux/process_creation/proc_creation_lnx_capa_discovery.yml","source_sha256":"cc46db8bc81860e2c0ecd59f4590d9cb2bbbfa48203ecaf6ebe83dea23238a8a","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/linux/process_creation/proc_creation_lnx_capa_discovery.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Capabilities Discovery - Linux\nid: d8d97d51-122d-4cdd-9e2f-01b4b4933530\nstatus: test\ndescription: Detects usage of \"getcap\" binary. This is often used during recon activity to determine potential binaries that can be abused as GTFOBins or other.\nreferences:\n    - https://github.com/SaiSathvik1/Linux-Privilege-Escalation-Notes\n    - https://github.com/carlospolop/PEASS-ng\n    - https://github.com/diego-treitos/linux-smart-enumeration\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-12-28\nmodified: 2026-01-24\ntags:\n    - attack.discovery\n    - attack.t1083\nlogsource:\n    category: process_creation\n    product: linux\ndetection:\n    selection:\n        Image|endswith: '/getcap'\n        CommandLine|contains: ' -r '\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: low\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1083","id":"T1083","name":"File and Directory Discovery","page":"techniques/enterprise/T1083/"}],"data_path":"data/detection-rules/d8d97d51-122d-4cdd-9e2f-01b4b4933530.json","kind":"sigma"}