Detection rules › Sigma
Equation Group DLL_U Export Function Load
Detects a specific export function name used by one of EquationGroup tools
Known false positives
- Unlikely
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Stealth |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
title: Equation Group DLL_U Export Function Load
id: d465d1d8-27a2-4cca-9621-a800f37cf72e
status: stable
description: Detects a specific export function name used by one of EquationGroup tools
references:
- https://github.com/00derp/EquationGroupLeak/search?utf8=%E2%9C%93&q=dll_u&type=
- https://twitter.com/cyb3rops/status/972186477512839170
author: Florian Roth (Nextron Systems)
date: 2019-03-04
modified: 2023-03-09
tags:
- attack.stealth
- attack.g0020
- attack.t1218.011
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection:
- CommandLine|contains: '-export dll_u'
- CommandLine|endswith:
- ',dll_u'
- ' dll_u'
condition: selection
falsepositives:
- Unlikely
level: critical
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
- CommandLine|contains: '-export dll_u'
- CommandLine|endswith:
- ',dll_u'
- ' dll_u'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | ends_with |
| field:"CommandLine" kind:ends_with |
CommandLine | match |
| field:"CommandLine" kind:match value:"-export dll_u" |