Detectionhightest
DLL Load via LSASS
Detects a method to load DLL via LSASS process using an undocumented Registry key
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Florian Roth (Nextron Systems)Created Wed Oct 16Updated Thu Apr 21b3503044-60ce-4bf4-bbcb-e3db98788823windows
Log Source
WindowsRegistry Event
ProductWindows← raw: windows
CategoryRegistry Event← raw: registry_event
Events for Windows Registry modifications including key creation, modification, and deletion.
Detection Logic
Detection Logic2 selectors
detection:
selection:
TargetObject|contains:
- '\CurrentControlSet\Services\NTDS\DirectoryServiceExtPt'
- '\CurrentControlSet\Services\NTDS\LsaDbExtPt'
filter_domain_controller:
Image: 'C:\Windows\system32\lsass.exe'
Details:
- '%%systemroot%%\system32\ntdsa.dll'
- '%%systemroot%%\system32\lsadb.dll'
condition: selection and not 1 of filter_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Rule Metadata
Rule ID
b3503044-60ce-4bf4-bbcb-e3db98788823
Status
test
Level
high
Type
Detection
Created
Wed Oct 16
Modified
Thu Apr 21
Path
rules/windows/registry/registry_event/registry_event_susp_lsass_dll_load.yml
Raw Tags
attack.privilege-escalationattack.executionattack.persistenceattack.t1547.008