Identifies suspicious access to an LSASS handle via DuplicateHandle from an unknown call trace module. This may indicate an attempt to bypass the NtOpenProcess API to evade detection and dump Lsass memory for credential access.
Rule type: eql
Risk score: 47
Runs every: 5 minutes
Maximum alerts per execution: 100
- Threat Detection
- Credential Access
Added (Elastic Stack release): 7.16.0
Rule authors: Elastic
Rule license: Elastic License v2
process where event.code == "10" and /* LSASS requesting DuplicateHandle access right to another process */ process.name : "lsass.exe" and winlog.event_data.GrantedAccess == "0x40" and /* call is coming from an unknown executable region */ winlog.event_data.CallTrace : "*UNKNOWN*"