IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Persistence via Microsoft Office AddInsedit
Detects attempts to establish persistence on an endpoint by abusing Microsoft Office add-ins.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
- winlogbeat-*
- logs-windows.*
- endgame-*
Severity: high
Risk score: 73
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
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
Version: 104
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guideedit
Rule queryedit
file where host.os.type == "windows" and event.type != "deletion" and file.extension : ("wll","xll","ppa","ppam","xla","xlam") and file.path : ( "C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Word\\Startup\\*", "C:\\Users\\*\\AppData\\Roaming\\Microsoft\\AddIns\\*", "C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Excel\\XLSTART\\*" )
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/