Detection rules › Sigma
Diamond Sleet APT File Creation Indicators
Detects file creation activity that is related to Diamond Sleet APT activity
Known false positives
- Unlikely
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | No specific technique |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 11: FileCreate |
Rule body
title: Diamond Sleet APT File Creation Indicators
id: e1212b32-55ff-4dfb-a595-62b572248056
status: test
description: Detects file creation activity that is 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.execution
- detection.emerging-threats
logsource:
category: file_event
product: windows
detection:
selection:
TargetFilename|endswith:
- ':\ProgramData\4800-84DC-063A6A41C5C'
- ':\ProgramData\clip.exe'
- ':\ProgramData\DSROLE.dll'
- ':\ProgramData\Forest64.exe'
- ':\ProgramData\readme.md'
- ':\ProgramData\Version.dll'
- ':\ProgramData\wsmprovhost.exe'
condition: selection
falsepositives:
- Unlikely
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
TargetFilename|endswith:
- ':\ProgramData\4800-84DC-063A6A41C5C'
- ':\ProgramData\clip.exe'
- ':\ProgramData\DSROLE.dll'
- ':\ProgramData\Forest64.exe'
- ':\ProgramData\readme.md'
- ':\ProgramData\Version.dll'
- ':\ProgramData\wsmprovhost.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
TargetFilename | ends_with |
| field:"TargetFilename" kind:ends_with |