{"id":"a5a827d9-1bbe-4952-9293-c59d897eb41b","title":"Steganography Extract Files with Steghide","description":"Detects extraction of files with usage of steghide binary, the adversaries may use this technique to prevent the detection of hidden information.","author":"Pawel Mazur","status":"test","level":"low","date":"2021-09-11","modified":"2022-10-09","tags":["attack.stealth","attack.t1027.003"],"technique_ids":["T1027.003"],"logsource":{"product":"linux","service":"auditd"},"falsepositives":["Unknown"],"references":["https://vitux.com/how-to-hide-confidential-files-in-images-on-debian-using-steganography/"],"source_path":"rules/linux/auditd/execve/lnx_auditd_steghide_extract_steganography.yml","source_sha256":"9aa0d2054f87d0a1ac5bf32524b660f8a3acba5058af398ddf85dd5b0516819f","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/linux/auditd/execve/lnx_auditd_steghide_extract_steganography.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Steganography Extract Files with Steghide\nid: a5a827d9-1bbe-4952-9293-c59d897eb41b\nstatus: test\ndescription: Detects extraction of files with usage of steghide binary, the adversaries may use this technique to prevent the detection of hidden information.\nreferences:\n    - https://vitux.com/how-to-hide-confidential-files-in-images-on-debian-using-steganography/\nauthor: 'Pawel Mazur'\ndate: 2021-09-11\nmodified: 2022-10-09\ntags:\n    - attack.stealth\n    - attack.t1027.003\nlogsource:\n    product: linux\n    service: auditd\ndetection:\n    selection:\n        type: EXECVE\n        a0: steghide\n        a1: extract\n        a2: '-sf'\n        a3|endswith:\n            - '.jpg'\n            - '.png'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: low\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1027.003","id":"T1027.003","name":"Steganography","page":"techniques/enterprise/T1027.003/"}],"data_path":"data/detection-rules/a5a827d9-1bbe-4952-9293-c59d897eb41b.json","kind":"sigma"}