{"id":"1a2d6c47-75b0-45bd-b133-2c0be75349fd","title":"Wdigest CredGuard Registry Modification","description":"Detects potential malicious modification of the property value of IsCredGuardEnabled from\nHKLM:\\SYSTEM\\CurrentControlSet\\Control\\SecurityProviders\\WDigest to disable Cred Guard on a system.\nThis is usually used with UseLogonCredential to manipulate the caching credentials.\n","author":"Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)","status":"test","level":"high","date":"2019-08-25","modified":"2021-11-27","tags":["attack.persistence","attack.defense-impairment","attack.t1112"],"technique_ids":["T1112"],"logsource":{"category":"registry_event","product":"windows"},"falsepositives":["Unknown"],"references":["https://teamhydra.blog/2020/08/25/bypassing-credential-guard/"],"source_path":"rules/windows/registry/registry_event/registry_event_disable_wdigest_credential_guard.yml","source_sha256":"aaba5ef9d9477f92eacf8d75dc6c96f0f5e49e5dd229f1ef4bf80ca31396fc4a","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/registry/registry_event/registry_event_disable_wdigest_credential_guard.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Wdigest CredGuard Registry Modification\nid: 1a2d6c47-75b0-45bd-b133-2c0be75349fd\nstatus: test\ndescription: |\n  Detects potential malicious modification of the property value of IsCredGuardEnabled from\n  HKLM:\\SYSTEM\\CurrentControlSet\\Control\\SecurityProviders\\WDigest to disable Cred Guard on a system.\n  This is usually used with UseLogonCredential to manipulate the caching credentials.\nreferences:\n    - https://teamhydra.blog/2020/08/25/bypassing-credential-guard/\nauthor: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)\ndate: 2019-08-25\nmodified: 2021-11-27\ntags:\n    - attack.persistence\n    - attack.defense-impairment\n    - attack.t1112\nlogsource:\n    category: registry_event\n    product: windows\ndetection:\n    selection:\n        TargetObject|endswith: '\\IsCredGuardEnabled'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1112","id":"T1112","name":"Modify Registry","page":"techniques/enterprise/T1112/"}],"data_path":"data/detection-rules/1a2d6c47-75b0-45bd-b133-2c0be75349fd.json","kind":"sigma"}