{"id":"c9d8b7fd-78e4-44fe-88f6-599135d46d60","title":"Security Software Discovery - Linux","description":"Detects usage of system utilities (only grep and egrep for now) to discover security software discovery","author":"Daniil Yugoslavskiy, oscd.community","status":"test","level":"low","date":"2020-10-19","modified":"2022-11-27","tags":["attack.discovery","attack.t1518.001"],"technique_ids":["T1518.001"],"logsource":{"category":"process_creation","product":"linux"},"falsepositives":["Legitimate activities"],"references":["https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1518.001/T1518.001.md"],"source_path":"rules/linux/process_creation/proc_creation_lnx_security_software_discovery.yml","source_sha256":"10acbe8bcbd9c6bd511da1f788315406fe923b1761af604682c14e0aa6919b0c","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/linux/process_creation/proc_creation_lnx_security_software_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: Security Software Discovery - Linux\nid: c9d8b7fd-78e4-44fe-88f6-599135d46d60\nstatus: test\ndescription: Detects usage of system utilities (only grep and egrep for now) to discover security software discovery\nreferences:\n    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1518.001/T1518.001.md\nauthor: Daniil Yugoslavskiy, oscd.community\ndate: 2020-10-19\nmodified: 2022-11-27\ntags:\n    - attack.discovery\n    - attack.t1518.001\nlogsource:\n    category: process_creation\n    product: linux\ndetection:\n    selection:\n        Image|endswith:\n            # You can add more grep variations such as fgrep, rgrep...etc\n            - '/grep'\n            - '/egrep'\n        CommandLine|contains:\n            - 'nessusd'        # nessus vulnerability scanner\n            - 'td-agent'       # fluentd log shipper\n            - 'packetbeat'     # elastic network logger/shipper\n            - 'filebeat'       # elastic log file shipper\n            - 'auditbeat'      # elastic auditing agent/log shipper\n            - 'osqueryd'       # facebook osquery\n            - 'cbagentd'       # carbon black\n            - 'falcond'        # crowdstrike falcon\n    condition: selection\nfalsepositives:\n    - Legitimate activities\nlevel: low\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1518.001","id":"T1518.001","name":"Security Software Discovery","page":"techniques/enterprise/T1518.001/"}],"data_path":"data/detection-rules/c9d8b7fd-78e4-44fe-88f6-599135d46d60.json","kind":"sigma"}