Potential Windows Session Hijacking via CcmExecedit
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.
Rule type: eql
Rule indices:
- logs-endpoint.events.library-*
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:
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Defense Evasion
- Data Source: Elastic Defend
Version: 1
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule queryedit
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"
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Hijack Execution Flow
- ID: T1574
- Reference URL: https://attack.mitre.org/techniques/T1574/