Elastic Security Detection Rules

Mimikatz Memssp Log File Detected

Last updated 5 months ago on 2025-03-20
Created 5 years ago on 2020-08-31

About

Identifies the password log file from the default Mimikatz memssp module.
Tags
Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: Credential AccessData Source: Elastic EndgameData Source: Elastic DefendData Source: SysmonData Source: SentinelOneData Source: Microsoft Defender for EndpointLanguage: eql
Severity
high
Risk Score
73
MITRE ATT&CK™

Credential Access (TA0006)(opens in a new tab or window)

↳ OS Credential Dumping (T1003)(opens in a new tab or window)

License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Event Correlation Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
winlogbeat-*logs-endpoint.events.file-*logs-windows.sysmon_operational-*endgame-*logs-sentinel_one_cloud_funnel.*logs-m365_defender.event-*
Related Integrations

endpoint(opens in a new tab or window)

windows(opens in a new tab or window)

sentinel_one_cloud_funnel(opens in a new tab or window)

m365_defender(opens in a new tab or window)

Query
file where host.os.type == "windows" and file.name : "mimilsa.log" and process.name : "lsass.exe"

Install detection rules in Elastic Security

Detect Mimikatz Memssp Log File Detected in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).