{"id":"8ec2c8b4-557a-4121-b87c-5dfb3a602fae","title":"JexBoss Command Sequence","description":"Detects suspicious command sequence that JexBoss","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2017-08-24","modified":"2025-11-22","tags":["attack.execution","attack.t1059.004"],"technique_ids":["T1059.004"],"logsource":{"product":"linux"},"falsepositives":["Unknown"],"references":["https://www.us-cert.gov/ncas/analysis-reports/AR18-312A"],"source_path":"rules/linux/builtin/lnx_susp_jexboss.yml","source_sha256":"de7dfb892c16ab14ec7368d27e8c17cb21da09ecb75cf9d66b9286237351648b","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/linux/builtin/lnx_susp_jexboss.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: JexBoss Command Sequence\nid: 8ec2c8b4-557a-4121-b87c-5dfb3a602fae\nstatus: test\ndescription: Detects suspicious command sequence that JexBoss\nreferences:\n    - https://www.us-cert.gov/ncas/analysis-reports/AR18-312A\nauthor: Florian Roth (Nextron Systems)\ndate: 2017-08-24\nmodified: 2025-11-22\ntags:\n    - attack.execution\n    - attack.t1059.004\nlogsource:\n    product: linux\ndetection:\n    keywords:\n        '|all':\n            - 'bash -c /bin/bash'\n            - '&/dev/tcp/'\n    condition: keywords\nfalsepositives:\n    - Unknown\nlevel: high\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/8ec2c8b4-557a-4121-b87c-5dfb3a602fae.json","kind":"sigma"}