{"id":"021310d9-30a6-480a-84b7-eaa69aeb92bb","title":"First Time Seen Remote Named Pipe - Zeek","description":"This detection excludes known namped pipes accessible remotely and notify on newly observed ones, may help to detect lateral movement and remote exec using named pipes","author":"Samir Bousseaden, @neu5ron, Tim Shelton","status":"test","level":"high","date":"2020-04-02","modified":"2022-12-27","tags":["attack.lateral-movement","attack.t1021.002"],"technique_ids":["T1021.002"],"logsource":{"product":"zeek","service":"smb_files"},"falsepositives":["Update the excluded named pipe to filter out any newly observed legit named pipe"],"references":["https://twitter.com/menasec1/status/1104489274387451904"],"source_path":"rules/network/zeek/zeek_smb_converted_win_lm_namedpipe.yml","source_sha256":"1462ea4435c12abd981d5d92a919417c619d3b50ce8435ec053bc94533b1be84","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/network/zeek/zeek_smb_converted_win_lm_namedpipe.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: First Time Seen Remote Named Pipe - Zeek\nid: 021310d9-30a6-480a-84b7-eaa69aeb92bb\nrelated:\n    - id: 52d8b0c6-53d6-439a-9e41-52ad442ad9ad\n      type: derived\nstatus: test\ndescription: This detection excludes known namped pipes accessible remotely and notify on newly observed ones, may help to detect lateral movement and remote exec using named pipes\nreferences:\n    - https://twitter.com/menasec1/status/1104489274387451904\nauthor: Samir Bousseaden, @neu5ron, Tim Shelton\ndate: 2020-04-02\nmodified: 2022-12-27\ntags:\n    - attack.lateral-movement\n    - attack.t1021.002\nlogsource:\n    product: zeek\n    service: smb_files\ndetection:\n    selection:\n        path: '\\\\\\\\\\*\\\\IPC$' # Looking for the string \\\\*\\IPC$\n    filter_keywords:\n        - 'samr'\n        - 'lsarpc'\n        - 'winreg'\n        - 'netlogon'\n        - 'srvsvc'\n        - 'protected_storage'\n        - 'wkssvc'\n        - 'browser'\n        - 'netdfs'\n        - 'svcctl'\n        - 'spoolss'\n        - 'ntsvcs'\n        - 'LSM_API_service'\n        - 'HydraLsPipe'\n        - 'TermSrv_API_service'\n        - 'MsFteWds'\n    condition: selection and not 1 of filter_*\nfalsepositives:\n    - Update the excluded named pipe to filter out any newly observed legit named pipe\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1021.002","id":"T1021.002","name":"SMB/Windows Admin Shares","page":"techniques/enterprise/T1021.002/"}],"data_path":"data/detection-rules/021310d9-30a6-480a-84b7-eaa69aeb92bb.json","kind":"sigma"}
