{"id":"f459ccb4-9805-41ea-b5b2-55e279e2424a","title":"Remote Access Tool - Team Viewer Session Started On MacOS Host","description":"Detects the command line executed when TeamViewer starts a session started by a remote host.\nOnce a connection has been started, an investigator can verify the connection details by viewing the \"incoming_connections.txt\" log file in the TeamViewer folder.\n","author":"Josh Nickels, Qi Nan","status":"test","level":"low","date":"2024-03-11","modified":"","tags":["attack.persistence","attack.initial-access","attack.t1133"],"technique_ids":["T1133"],"logsource":{"category":"process_creation","product":"macos"},"falsepositives":["Legitimate usage of TeamViewer"],"references":["Internal Research"],"source_path":"rules/macos/process_creation/proc_creation_macos_remote_access_tools_teamviewer_incoming_connection.yml","source_sha256":"5b8689beaf3ab3a1d37e94266f418a110fe61d61bab027a37bcd402b8d4ccdae","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/macos/process_creation/proc_creation_macos_remote_access_tools_teamviewer_incoming_connection.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Remote Access Tool - Team Viewer Session Started On MacOS Host\nid: f459ccb4-9805-41ea-b5b2-55e279e2424a\nrelated:\n    - id: ab70c354-d9ac-4e11-bbb6-ec8e3b153357\n      type: similar\n    - id: 1f6b8cd4-3e60-47cc-b282-5aa1cbc9182d\n      type: similar\nstatus: test\ndescription: |\n    Detects the command line executed when TeamViewer starts a session started by a remote host.\n    Once a connection has been started, an investigator can verify the connection details by viewing the \"incoming_connections.txt\" log file in the TeamViewer folder.\nreferences:\n    - Internal Research\nauthor: Josh Nickels, Qi Nan\ndate: 2024-03-11\ntags:\n    - attack.persistence\n    - attack.initial-access\n    - attack.t1133\nlogsource:\n    category: process_creation\n    product: macos\ndetection:\n    selection:\n        ParentImage|endswith: '/TeamViewer_Service'\n        Image|endswith: '/TeamViewer_Desktop'\n        CommandLine|endswith: '/TeamViewer_Desktop --IPCport 5939 --Module 1'\n    condition: selection\nfalsepositives:\n    - Legitimate usage of TeamViewer\nlevel: low\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1133","id":"T1133","name":"External Remote Services","page":"techniques/enterprise/T1133/"}],"data_path":"data/detection-rules/f459ccb4-9805-41ea-b5b2-55e279e2424a.json","kind":"sigma"}