Detection rules › Sigma
Diamond Sleet APT DNS Communication Indicators
Detects DNS queries related to Diamond Sleet APT activity
Known false positives
- Might generate some false positive if triggered by a user during investigation for example.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control | No specific technique |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 22: DNSEvent (DNS query) |
Rule body
title: Diamond Sleet APT DNS Communication Indicators
id: fba38e0f-4607-4344-bb8f-a4b50cdeef7f
status: test
description: Detects DNS queries related to Diamond Sleet APT activity
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.command-and-control
- detection.emerging-threats
logsource:
product: windows
category: dns_query
detection:
selection:
QueryName|contains:
- '3dkit.org'
- 'dersmarketim.com'
- 'galerielamy.com'
- 'olidhealth.com'
condition: selection
falsepositives:
- Might generate some false positive if triggered by a user during investigation for example.
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
QueryName|contains:
- '3dkit.org'
- 'dersmarketim.com'
- 'galerielamy.com'
- 'olidhealth.com'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
QueryName | match |
| field:"QueryName" kind:match |