Detection rules › Sigma
Office Application Startup - Office Test
Detects the addition of office test registry that allows a user to specify an arbitrary DLL that will be executed every time an Office application is started
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1137.002 Office Application Startup: Office Test |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 12 | RegistryEvent (Object create and delete) |
| Sysmon | Event ID 13 | RegistryEvent (Value Set) |
| Sysmon | Event ID 14 | RegistryEvent (Key and Value Rename) |
Rule body yaml
title: Office Application Startup - Office Test
id: 3d27f6dd-1c74-4687-b4fa-ca849d128d1c
status: test
description: Detects the addition of office test registry that allows a user to specify an arbitrary DLL that will be executed every time an Office application is started
references:
- https://unit42.paloaltonetworks.com/unit42-technical-walkthrough-office-test-persistence-method-used-in-recent-sofacy-attacks/
author: omkar72
date: 2020-10-25
modified: 2023-11-08
tags:
- attack.persistence
- attack.t1137.002
logsource:
category: registry_event
product: windows
detection:
selection:
TargetObject|contains: '\Software\Microsoft\Office test\Special\Perf'
condition: selection
falsepositives:
- Unlikely
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
TargetObject|contains: '\Software\Microsoft\Office test\Special\Perf'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
TargetObject | match |
|