{"id":"1a2ea919-d11d-4d1e-8535-06cda13be20f","title":"Triple Cross eBPF Rootkit Default Persistence","description":"Detects the creation of \"ebpfbackdoor\" files in both \"cron.d\" and \"sudoers.d\" directories. Which both are related to the TripleCross persistence method","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2022-07-05","modified":"2022-12-31","tags":["attack.privilege-escalation","attack.execution","attack.persistence","attack.t1053.003"],"technique_ids":["T1053.003"],"logsource":{"product":"linux","category":"file_event"},"falsepositives":["Unlikely"],"references":["https://github.com/h3xduck/TripleCross/blob/12629558b8b0a27a5488a0b98f1ea7042e76f8ab/apps/deployer.sh"],"source_path":"rules/linux/file_event/file_event_lnx_triple_cross_rootkit_persistence.yml","source_sha256":"c5687184e03e870a00dec16ce5855d3a89113e14b7d5b50fc275bf534a704155","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/linux/file_event/file_event_lnx_triple_cross_rootkit_persistence.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Triple Cross eBPF Rootkit Default Persistence\nid: 1a2ea919-d11d-4d1e-8535-06cda13be20f\nstatus: test\ndescription: Detects the creation of \"ebpfbackdoor\" files in both \"cron.d\" and \"sudoers.d\" directories. Which both are related to the TripleCross persistence method\nreferences:\n    - https://github.com/h3xduck/TripleCross/blob/12629558b8b0a27a5488a0b98f1ea7042e76f8ab/apps/deployer.sh\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-07-05\nmodified: 2022-12-31\ntags:\n    - attack.privilege-escalation\n    - attack.execution\n    - attack.persistence\n    - attack.t1053.003\nlogsource:\n    product: linux\n    category: file_event\ndetection:\n    selection:\n        TargetFilename|endswith: 'ebpfbackdoor'\n    condition: selection\nfalsepositives:\n    - Unlikely\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1053.003","id":"T1053.003","name":"Cron","page":"techniques/enterprise/T1053.003/"}],"data_path":"data/detection-rules/1a2ea919-d11d-4d1e-8535-06cda13be20f.json","kind":"sigma"}