Detectionhightest
HackTool - HandleKatz Duplicating LSASS Handle
Detects HandleKatz opening LSASS to duplicate its handle to later dump the memory without opening any new handles
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Log Source
WindowsProcess Access
ProductWindows← raw: windows
CategoryProcess Access← raw: process_access
Events when a process opens a handle to another process, commonly used for credential dumping via LSASS.
Detection Logic
Detection Logic1 selector
detection:
selection:
TargetImage|endswith: '\lsass.exe' # Theoretically, can be any benign process holding handle to LSASS
GrantedAccess: '0x1440' # Only PROCESS_DUP_HANDLE, PROCESS_QUERY_LIMITED_INFORMATION, PROCESS_QUERY_INFORMATION
# Example: C:\Windows\SYSTEM32\ntdll.dll+9d234\|UNKNOWN(00000000001C119B)
CallTrace|startswith: 'C:\Windows\System32\ntdll.dll+'
CallTrace|contains: '|UNKNOWN('
CallTrace|endswith: ')'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Techniques
Sub-techniques
Rule Metadata
Rule ID
b1bd3a59-c1fd-4860-9f40-4dd161a7d1f5
Status
test
Level
high
Type
Detection
Created
Mon Jun 27
Modified
Tue Nov 28
Author
Path
rules/windows/process_access/proc_access_win_hktl_handlekatz_lsass_access.yml
Raw Tags
attack.executionattack.t1106attack.defense-evasionattack.t1003.001attack.credential-access