IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

« LSASS Memory Dump Handle Access Mimikatz Memssp Log File Detected »

› ›

LSASS Process Access via Windows API

edit

LSASS Process Access via Windows API

edit

Identifies access attempts to the LSASS handle, which may indicate an attempt to dump credentials from LSASS memory.

Rule type: eql

Rule indices:

logs-endpoint.events.*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1003.001/T1003.001.md

Tags:

Domain: Endpoint
OS: Windows
Use Case: Threat Detection
Tactic: Credential Access

Version: 2

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

edit

api where host.os.type == "windows" and
 process.Ext.api.name in ("OpenProcess", "OpenThread") and Target.process.name : "lsass.exe"

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
Technique:
- Name: OS Credential Dumping
- ID: T1003
- Reference URL: https://attack.mitre.org/techniques/T1003/
Sub-technique:
- Name: LSASS Memory
- ID: T1003.001
- Reference URL: https://attack.mitre.org/techniques/T1003/001/

« LSASS Memory Dump Handle Access Mimikatz Memssp Log File Detected »