{"id":"T1127.002","name":"ClickOnce","url":"https://attack.mitre.org/techniques/T1127/002","tactics":["stealth","execution"],"platforms":["Windows"],"live":true,"revoked":false,"deprecated":false,"revoked_by":null,"detection_strategies":[{"id":"DET0191","stix_id":"x-mitre-detection-strategy--ec75b064-d8f1-40a7-832c-0ef0bb40214d","name":"Behavior-chain detection strategy for T1127.002 Trusted Developer Utilities Proxy Execution: ClickOnce (Windows)","url":"https://attack.mitre.org/detectionstrategies/DET0191","analytics":[{"id":"AN0550","stix_id":"x-mitre-analytic--dc4d944f-975a-4057-8edb-deb023db387c","name":"Analytic 0550","description":"Abuse of ClickOnce applications where rundll32.exe invokes dfshim.dll with ShOpenVerbApplication or dfsvc.exe spawns unexpected child processes or loads unsigned modules.","url":"https://attack.mitre.org/detectionstrategies/DET0191#AN0550","platforms":["Windows"],"log_source_references":[{"name":"WinEventLog:Security","channel":"EventCode=4688","data_component":"DC0032","data_component_name":"Process Creation","log_source_slug":"wineventlog-security"},{"name":"WinEventLog:Sysmon","channel":"EventCode=7","data_component":"DC0016","data_component_name":"Module Load","log_source_slug":"wineventlog-sysmon"},{"name":"WinEventLog:Microsoft-Windows-Security-Mitigations/KernelMode","channel":"ETW telemetry indicating ClickOnce deployment (dfsvc.exe) launching payloads","data_component":"DC0034","data_component_name":"Process Metadata","log_source_slug":"wineventlog-microsoft-windows-security-mitigations-kernelmode"}],"mutable_elements":[{"field":"TimeWindow","description":"The correlation window for dfsvc.exe/rundll32.exe execution and subsequent module loads or child processes (e.g., 0–10 minutes)."},{"field":"KnownClickOnceApps","description":"Whitelist of legitimate ClickOnce applications and paths."},{"field":"SuspiciousChildList","description":"Child processes considered abnormal when launched by dfsvc.exe or rundll32.exe."}],"live":true,"detection_strategies":["DET0191"],"techniques":["T1127.002"]}],"live":true,"version":"1.0","techniques":["T1127.002"]}],"sigma_rules":[],"kev_cves":[],"_built":"2026-08-24 19:45 UTC","_attack_version":"19.2","_sigma_commit":"da9bb07d642a2826e89702445d32c795209ec108"}