{"id":"9847f263-4a81-424f-970c-875dab15b79b","title":"Suspicious TSCON Start as SYSTEM","description":"Detects a tscon.exe start as LOCAL SYSTEM","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2018-03-17","modified":"2022-05-27","tags":["attack.command-and-control","attack.t1219.002"],"technique_ids":["T1219.002"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["http://www.korznikov.com/2017/03/0-day-or-feature-privilege-escalation.html","https://medium.com/@networksecurity/rdp-hijacking-how-to-hijack-rds-and-remoteapp-sessions-transparently-to-move-through-an-da2a1e73a5f6","https://www.ired.team/offensive-security/lateral-movement/t1076-rdp-hijacking-for-lateral-movement"],"source_path":"rules/windows/process_creation/proc_creation_win_tscon_localsystem.yml","source_sha256":"59ad497dde0d1d6fa2f651cab0b2114a556bd4fbc6b9f696f32ab1642f311d45","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_tscon_localsystem.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious TSCON Start as SYSTEM\nid: 9847f263-4a81-424f-970c-875dab15b79b\nstatus: test\ndescription: Detects a tscon.exe start as LOCAL SYSTEM\nreferences:\n    - http://www.korznikov.com/2017/03/0-day-or-feature-privilege-escalation.html\n    - https://medium.com/@networksecurity/rdp-hijacking-how-to-hijack-rds-and-remoteapp-sessions-transparently-to-move-through-an-da2a1e73a5f6\n    - https://www.ired.team/offensive-security/lateral-movement/t1076-rdp-hijacking-for-lateral-movement\nauthor: Florian Roth (Nextron Systems)\ndate: 2018-03-17\nmodified: 2022-05-27\ntags:\n    - attack.command-and-control\n    - attack.t1219.002\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        User|contains: # covers many language settings\n            - 'AUTHORI'\n            - 'AUTORI'\n        Image|endswith: '\\tscon.exe'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1219.002","id":"T1219.002","name":"Remote Desktop Software","page":"techniques/enterprise/T1219.002/"}],"data_path":"data/detection-rules/9847f263-4a81-424f-970c-875dab15b79b.json","kind":"sigma"}