Detection rules › Sigma
Fortinet APT group abuse on Windows (task)
Detects scenarios where APT actors exploits Fortinet vulnerabilities to gain access into Windows infrastructure.
Known false positives
- None
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Security-Auditing | Event ID 4698: A scheduled task was created. |
Rule body
title: Fortinet APT group abuse on Windows (task)
description: Detects scenarios where APT actors exploits Fortinet vulnerabilities to gain access into Windows infrastructure.
references:
- https://github.com/mdecrevoisier/EVTX-to-MITRE-Attack/tree/master/EVTX_full_APT_attack_steps
- https://www.aha.org/system/files/media/file/2021/05/fbi-flash-tlp-white-apt-actors-exploiting-fortinet-vulnerabilities-to-gain-access-for-malicious-activity-5-27-21.pdf
- https://www.securityweek.com/fbi-shares-iocs-apt-attacks-exploiting-fortinet-vulnerabilities
tags:
- attack.execution
- attack.t1053.005
author: mdecrevoisier
status: experimental
logsource:
product: windows
service: security
detection:
selection:
EventID: 4698
TaskName|endswith: '\SynchronizeTimeZone'
condition: selection
falsepositives:
- None
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
EventID: 4698
TaskName|endswith: '\SynchronizeTimeZone'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
TaskName | ends_with |
| field:"TaskName" kind:ends_with value:"\SynchronizeTimeZone" |