{"id":"871b9555-69ca-4993-99d3-35a59f9f3599","title":"Suspicious UltraVNC Execution","description":"Detects suspicious UltraVNC command line flag combination that indicate a auto reconnect upon execution, e.g. startup (as seen being used by Gamaredon threat group)","author":"Bhabesh Raj","status":"test","level":"high","date":"2022-03-04","modified":"2022-03-09","tags":["attack.lateral-movement","attack.g0047","attack.t1021.005"],"technique_ids":["T1021.005"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://web.archive.org/web/20220224045756/https://www.ria.ee/sites/default/files/content-editors/kuberturve/tale_of_gamaredon_infection.pdf","https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/shuckworm-gamaredon-espionage-ukraine","https://unit42.paloaltonetworks.com/unit-42-title-gamaredon-group-toolset-evolution","https://uvnc.com/docs/uvnc-viewer/52-ultravnc-viewer-commandline-parameters.html"],"source_path":"rules/windows/process_creation/proc_creation_win_ultravnc_susp_execution.yml","source_sha256":"e753d166dbfb4fb203fb9c0e77954bb82f388629ed11f710547655d80e1d00fe","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_ultravnc_susp_execution.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 UltraVNC Execution\nid: 871b9555-69ca-4993-99d3-35a59f9f3599\nstatus: test\ndescription: Detects suspicious UltraVNC command line flag combination that indicate a auto reconnect upon execution, e.g. startup (as seen being used by Gamaredon threat group)\nreferences:\n    - https://web.archive.org/web/20220224045756/https://www.ria.ee/sites/default/files/content-editors/kuberturve/tale_of_gamaredon_infection.pdf\n    - https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/shuckworm-gamaredon-espionage-ukraine\n    - https://unit42.paloaltonetworks.com/unit-42-title-gamaredon-group-toolset-evolution\n    - https://uvnc.com/docs/uvnc-viewer/52-ultravnc-viewer-commandline-parameters.html\nauthor: Bhabesh Raj\ndate: 2022-03-04\nmodified: 2022-03-09\ntags:\n    - attack.lateral-movement\n    - attack.g0047\n    - attack.t1021.005\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        CommandLine|contains|all:\n            - '-autoreconnect '\n            - '-connect '\n            - '-id:'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1021.005","id":"T1021.005","name":"VNC","page":"techniques/enterprise/T1021.005/"}],"data_path":"data/detection-rules/871b9555-69ca-4993-99d3-35a59f9f3599.json","kind":"sigma"}