{"id":"1543ae20-cbdf-4ec1-8d12-7664d667a825","title":"Suspicious Commands Linux","description":"Detects relevant commands often related to malware or hacking activity","author":"Florian Roth (Nextron Systems)","status":"test","level":"medium","date":"2017-12-12","modified":"2022-10-05","tags":["attack.execution","attack.t1059.004"],"technique_ids":["T1059.004"],"logsource":{"product":"linux","service":"auditd"},"falsepositives":["Admin activity"],"references":["Internal Research - mostly derived from exploit code including code in MSF"],"source_path":"rules/linux/auditd/execve/lnx_auditd_susp_cmds.yml","source_sha256":"f46bcb8be7f5e0eb16478c51849a697a6a3e786b9dc1b4e1f1abd223b0889d77","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/linux/auditd/execve/lnx_auditd_susp_cmds.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Commands Linux\nid: 1543ae20-cbdf-4ec1-8d12-7664d667a825\nstatus: test\ndescription: Detects relevant commands often related to malware or hacking activity\nreferences:\n    - Internal Research - mostly derived from exploit code including code in MSF\nauthor: Florian Roth (Nextron Systems)\ndate: 2017-12-12\nmodified: 2022-10-05\ntags:\n    - attack.execution\n    - attack.t1059.004\nlogsource:\n    product: linux\n    service: auditd\ndetection:\n    cmd1:\n        type: 'EXECVE'\n        a0: 'chmod'\n        a1: 777\n    cmd2:\n        type: 'EXECVE'\n        a0: 'chmod'\n        a1: 'u+s'\n    cmd3:\n        type: 'EXECVE'\n        a0: 'cp'\n        a1: '/bin/ksh'\n    cmd4:\n        type: 'EXECVE'\n        a0: 'cp'\n        a1: '/bin/sh'\n    condition: 1 of cmd*\nfalsepositives:\n    - Admin activity\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1059.004","id":"T1059.004","name":"Unix Shell","page":"techniques/enterprise/T1059.004/"}],"data_path":"data/detection-rules/1543ae20-cbdf-4ec1-8d12-7664d667a825.json","kind":"sigma"}