{"id":"83809e84-4475-4b69-bc3e-4aad8568612f","title":"MSExchange Transport Agent Installation","description":"Detects the Installation of a Exchange Transport Agent","author":"Tobias Michalski (Nextron Systems)","status":"test","level":"medium","date":"2021-06-08","modified":"2022-10-09","tags":["attack.persistence","attack.t1505.002"],"technique_ids":["T1505.002"],"logsource":{"product":"windows","category":"process_creation"},"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/process_creation/proc_creation_win_powershell_msexchange_transport_agent.yml","source_sha256":"47cf9f6b6f9695d6ea50743c1760ddf662af7d9ce046ee9d1bd1177d4d8c3918","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_powershell_msexchange_transport_agent.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\nid: 83809e84-4475-4b69-bc3e-4aad8568612f\nrelated:\n    - id: 83809e84-4475-4b69-bc3e-4aad8568612f\n      type: similar\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: 2022-10-09\ntags:\n    - attack.persistence\n    - attack.t1505.002\nlogsource:\n    product: windows\n    category: process_creation\ndetection:\n    selection:\n        CommandLine|contains: '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/83809e84-4475-4b69-bc3e-4aad8568612f.json","kind":"sigma"}