Elastic Security Detection Rules

Potential Windows Session Hijacking via CcmExec

Last updated 6 months ago on 2025-01-15
Created a year ago on 2024-04-17

About

This detection rule identifies when 'SCNotification.exe' loads an untrusted DLL, which is a potential indicator of an attacker attempt to hijack/impersonate a Windows user session.
Tags
Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: Defense EvasionData Source: Elastic DefendLanguage: eql
Severity
medium
Risk Score
47
MITRE ATT&CK™

Defense Evasion (TA0005)(opens in a new tab or window)

↳ Hijack Execution Flow (T1574)(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
logs-endpoint.events.library-*
Related Integrations

endpoint(opens in a new tab or window)

Query
library where host.os.type == "windows" and process.name : "SCNotification.exe" and
  (dll.Ext.relative_file_creation_time < 86400 or dll.Ext.relative_file_name_modify_time <= 500) and dll.code_signature.status != "trusted"

Install detection rules in Elastic Security

Detect Potential Windows Session Hijacking via CcmExec 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).