IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Potential Windows Session Hijacking via CcmExec
editPotential Windows Session Hijacking via CcmExec
editThis 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 query
editlibrary 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/