{"id":"8ccd35a2-1c7c-468b-b568-ac6cdf80eec3","title":"Bitsadmin to Uncommon IP Server Address","description":"Detects Bitsadmin connections to IP addresses instead of FQDN names","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2022-06-10","modified":"2022-08-24","tags":["attack.command-and-control","attack.execution","attack.stealth","attack.t1071.001","attack.persistence","attack.t1197","attack.s0190"],"technique_ids":["T1071.001","T1197"],"logsource":{"category":"proxy"},"falsepositives":["Unknown"],"references":["https://isc.sans.edu/diary/Microsoft+BITS+Used+to+Download+Payloads/21027"],"source_path":"rules/web/proxy_generic/proxy_ua_bitsadmin_susp_ip.yml","source_sha256":"316b6452fbabffcfd474aaa00138d53ea0d4548936d13b45291989c77de999c7","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/web/proxy_generic/proxy_ua_bitsadmin_susp_ip.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Bitsadmin to Uncommon IP Server Address\nid: 8ccd35a2-1c7c-468b-b568-ac6cdf80eec3\nstatus: test\ndescription: Detects Bitsadmin connections to IP addresses instead of FQDN names\nreferences:\n    - https://isc.sans.edu/diary/Microsoft+BITS+Used+to+Download+Payloads/21027\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-06-10\nmodified: 2022-08-24\ntags:\n    - attack.command-and-control\n    - attack.execution\n    - attack.stealth\n    - attack.t1071.001\n    - attack.persistence\n    - attack.t1197\n    - attack.s0190\nlogsource:\n    category: proxy\ndetection:\n    selection:\n        c-useragent|startswith: 'Microsoft BITS/'\n        cs-host|endswith:\n            - '1'\n            - '2'\n            - '3'\n            - '4'\n            - '5'\n            - '6'\n            - '7'\n            - '8'\n            - '9'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1071.001","id":"T1071.001","name":"Web Protocols","page":"techniques/enterprise/T1071.001/"},{"key":"enterprise/T1197","id":"T1197","name":"BITS Jobs","page":"techniques/enterprise/T1197/"}],"data_path":"data/detection-rules/8ccd35a2-1c7c-468b-b568-ac6cdf80eec3.json","kind":"sigma"}