{"id":"0cf7a157-8879-41a2-8f55-388dd23746b7","title":"Linux Recon Indicators","description":"Detects events with patterns found in commands used for reconnaissance on linux systems","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2022-06-20","modified":"","tags":["attack.reconnaissance","attack.t1592.004","attack.credential-access","attack.t1552.001"],"technique_ids":["T1552.001","T1592.004"],"logsource":{"category":"process_creation","product":"linux"},"falsepositives":["Legitimate administration activities"],"references":["https://github.com/sleventyeleven/linuxprivchecker/blob/0d701080bbf92efd464e97d71a70f97c6f2cd658/linuxprivchecker.py"],"source_path":"rules/linux/process_creation/proc_creation_lnx_susp_recon_indicators.yml","source_sha256":"dfe976233dba77be958a1f2240a0eadfc09c3adccd1dc5f21a739c74b7e2cb92","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/linux/process_creation/proc_creation_lnx_susp_recon_indicators.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Linux Recon Indicators\nid: 0cf7a157-8879-41a2-8f55-388dd23746b7\nstatus: test\ndescription: Detects events with patterns found in commands used for reconnaissance on linux systems\nreferences:\n    - https://github.com/sleventyeleven/linuxprivchecker/blob/0d701080bbf92efd464e97d71a70f97c6f2cd658/linuxprivchecker.py\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-06-20\ntags:\n    - attack.reconnaissance\n    - attack.t1592.004\n    - attack.credential-access\n    - attack.t1552.001\nlogsource:\n    category: process_creation\n    product: linux\ndetection:\n    selection:\n        CommandLine|contains:\n            - ' -name .htpasswd'\n            - ' -perm -4000 '\n    condition: selection\nfalsepositives:\n    - Legitimate administration activities\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1552.001","id":"T1552.001","name":"Credentials In Files","page":"techniques/enterprise/T1552.001/"},{"key":"enterprise/T1592.004","id":"T1592.004","name":"Client Configurations","page":"techniques/enterprise/T1592.004/"}],"data_path":"data/detection-rules/0cf7a157-8879-41a2-8f55-388dd23746b7.json","kind":"sigma"}