Detection rules › Sigma
Unsigned Module Loaded by ClickOnce Application
Detects unsigned module load by ClickOnce application.
Known false positives
- Unlikely
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | |
| Stealth |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 7: Image loaded |
Rule body
title: Unsigned Module Loaded by ClickOnce Application
id: 060d5ad4-3153-47bb-8382-43e5e29eda92
status: test
description: Detects unsigned module load by ClickOnce application.
references:
- https://posts.specterops.io/less-smartscreen-more-caffeine-ab-using-clickonce-for-trusted-code-execution-1446ea8051c5
author: '@SerkinValery'
date: 2023-06-08
tags:
- attack.privilege-escalation
- attack.persistence
- attack.execution
- attack.stealth
- attack.t1574.001
logsource:
category: image_load
product: windows
detection:
selection_path:
Image|contains: '\AppData\Local\Apps\2.0\'
selection_sig_status:
- Signed: 'false'
- SignatureStatus: 'Expired'
condition: all of selection_*
falsepositives:
- Unlikely
level: medium
Stages and Predicates
Stage 0: condition
all of selection_*Stage 1: selection_path
selection_path:
Image|contains: '\AppData\Local\Apps\2.0\'
Stage 2: selection_sig_status
selection_sig_status:
- Signed: 'false'
- SignatureStatus: 'Expired'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | match |
| field:"Image" kind:match value:"\AppData\Local\Apps\2.0\" |
SignatureStatus | eq |
| field:"SignatureStatus" kind:eq value:"Expired" |
Signed | eq |
| field:"Signed" kind:eq value:"false" |