Detection rules › Sigma
Diamond Sleet APT DLL Sideloading Indicators
Detects DLL sideloading activity seen used by Diamond Sleet APT
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: Diamond Sleet APT DLL Sideloading Indicators
id: d1b65d98-37d7-4ff6-b139-2d87c1af3042
status: test
description: Detects DLL sideloading activity seen used by Diamond Sleet APT
references:
- https://www.microsoft.com/en-us/security/blog/2023/10/18/multiple-north-korean-threat-actors-exploiting-the-teamcity-cve-2023-42793-vulnerability/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-10-24
tags:
- attack.persistence
- attack.privilege-escalation
- attack.execution
- attack.stealth
- attack.t1574.001
- detection.emerging-threats
logsource:
product: windows
category: image_load
detection:
selection_1:
Image|endswith: ':\ProgramData\clip.exe'
ImageLoaded|endswith: ':\ProgramData\Version.dll'
selection_2:
Image|endswith: ':\ProgramData\wsmprovhost.exe'
ImageLoaded|endswith: ':\ProgramData\DSROLE.dll'
condition: 1 of selection_*
falsepositives:
- Unlikely
level: high
Stages and Predicates
Stage 0: condition
1 of selection_*Stage 1: selection_1
selection_1:
Image|endswith: ':\ProgramData\clip.exe'
ImageLoaded|endswith: ':\ProgramData\Version.dll'
Stage 2: selection_2
selection_2:
Image|endswith: ':\ProgramData\wsmprovhost.exe'
ImageLoaded|endswith: ':\ProgramData\DSROLE.dll'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with |
ImageLoaded | ends_with |
| field:"ImageLoaded" kind:ends_with |