IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Office Test Registry Persistence
editOffice Test Registry Persistence
editIdentifies the modification of the Microsoft Office "Office Test" Registry key, a registry location that can be used to specify a DLL which will be executed every time an MS Office application is started. Attackers can abuse this to gain persistence on a compromised host.
Rule type: eql
Rule indices:
- logs-endpoint.events.registry-*
- logs-m365_defender.event-*
- endgame-*
- logs-sentinel_one_cloud_funnel.*
Severity: low
Risk score: 21
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: Persistence
- Tactic: Defense Evasion
- Data Source: Elastic Defend
- Data Source: Elastic Endgame
- Data Source: Microsoft Defender for Endpoint
- Data Source: SentinelOne
Version: 103
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editregistry where host.os.type == "windows" and event.action != "deletion" and
registry.path : "*\\Software\\Microsoft\\Office Test\\Special\\Perf\\*"
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Office Application Startup
- ID: T1137
- Reference URL: https://attack.mitre.org/techniques/T1137/
-
Sub-technique:
- Name: Office Test
- ID: T1137.002
- Reference URL: https://attack.mitre.org/techniques/T1137/002/
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Modify Registry
- ID: T1112
- Reference URL: https://attack.mitre.org/techniques/T1112/