{"id":"4fe151c2-ecf9-4fae-95ae-b88ec9c2fca6","title":"MSExchange Transport Agent Installation - Builtin","description":"Detects the Installation of a Exchange Transport Agent","author":"Tobias Michalski (Nextron Systems)","status":"test","level":"medium","date":"2021-06-08","modified":"2022-11-27","tags":["attack.persistence","attack.t1505.002"],"technique_ids":["T1505.002"],"logsource":{"product":"windows","service":"msexchange-management"},"falsepositives":["Legitimate installations of exchange TransportAgents. AssemblyPath is a good indicator for this."],"references":["https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=7"],"source_path":"rules/windows/builtin/msexchange/win_exchange_transportagent.yml","source_sha256":"d48e1a382b744920651b0e77496e48c8f6facd9ac92bf6395e17dc7dceb74dc4","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/builtin/msexchange/win_exchange_transportagent.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: MSExchange Transport Agent Installation - Builtin\nid: 4fe151c2-ecf9-4fae-95ae-b88ec9c2fca6\nrelated:\n    - id: 83809e84-4475-4b69-bc3e-4aad8568612f\n      type: derived\nstatus: test\ndescription: Detects the Installation of a Exchange Transport Agent\nreferences:\n    - https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=7\nauthor: Tobias Michalski (Nextron Systems)\ndate: 2021-06-08\nmodified: 2022-11-27\ntags:\n    - attack.persistence\n    - attack.t1505.002\nlogsource:\n    product: windows\n    service: msexchange-management\ndetection:\n    selection:\n        - 'Install-TransportAgent'\n    condition: selection\nfalsepositives:\n    - Legitimate installations of exchange TransportAgents. AssemblyPath is a good indicator for this.\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1505.002","id":"T1505.002","name":"Transport Agent","page":"techniques/enterprise/T1505.002/"}],"data_path":"data/detection-rules/4fe151c2-ecf9-4fae-95ae-b88ec9c2fca6.json","kind":"sigma"}