{"id":"a4694263-59a8-4608-a3a0-6f8d3a51664c","title":"Suspicious Key Manager Access","description":"Detects the invocation of the Stored User Names and Passwords dialogue (Key Manager)","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2022-04-21","modified":"2023-02-09","tags":["attack.credential-access","attack.t1555.004"],"technique_ids":["T1555.004"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Administrative activity"],"references":["https://twitter.com/NinjaParanoid/status/1516442028963659777"],"source_path":"rules/windows/process_creation/proc_creation_win_rundll32_keymgr.yml","source_sha256":"b7518924dc0eedb257c1917aa947c4930239b6297b87463739b76aff710296ec","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_rundll32_keymgr.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 Key Manager Access\nid: a4694263-59a8-4608-a3a0-6f8d3a51664c\nstatus: test\ndescription: Detects the invocation of the Stored User Names and Passwords dialogue (Key Manager)\nreferences:\n    - https://twitter.com/NinjaParanoid/status/1516442028963659777\nauthor: Florian Roth (Nextron Systems)\ndate: 2022-04-21\nmodified: 2023-02-09\ntags:\n    - attack.credential-access\n    - attack.t1555.004\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\rundll32.exe'\n        - OriginalFileName: 'RUNDLL32.EXE'\n    selection_cli:\n        CommandLine|contains|all:\n            - 'keymgr'\n            - 'KRShowKeyMgr'\n    condition: all of selection_*\nfalsepositives:\n    - Administrative activity\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1555.004","id":"T1555.004","name":"Windows Credential Manager","page":"techniques/enterprise/T1555.004/"}],"data_path":"data/detection-rules/a4694263-59a8-4608-a3a0-6f8d3a51664c.json","kind":"sigma"}