Detectionhightest
Suspicious Key Manager Access
Detects the invocation of the Stored User Names and Passwords dialogue (Key Manager)
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Florian Roth (Nextron Systems)Created Thu Apr 21Updated Thu Feb 09a4694263-59a8-4608-a3a0-6f8d3a51664cwindows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
detection:
selection_img:
- Image|endswith: '\rundll32.exe'
- OriginalFileName: 'RUNDLL32.EXE'
selection_cli:
CommandLine|contains|all:
- 'keymgr'
- 'KRShowKeyMgr'
condition: all of selection_*False Positives
Administrative activity
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
a4694263-59a8-4608-a3a0-6f8d3a51664c
Status
test
Level
high
Type
Detection
Created
Thu Apr 21
Modified
Thu Feb 09
Path
rules/windows/process_creation/proc_creation_win_rundll32_keymgr.yml
Raw Tags
attack.credential-accessattack.t1555.004