Detection rules › Sigma
DLL Names Used By SVR For GraphicalProton Backdoor
Hunts known SVR-specific DLL names.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | T1574.001 Hijack Execution Flow: DLL |
| Stealth | T1574.001 Hijack Execution Flow: DLL |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 7 | Image loaded |
Rule body yaml
title: DLL Names Used By SVR For GraphicalProton Backdoor
id: e64c8ef3-9f98-40c8-b71e-96110991cb4c
status: test
description: Hunts known SVR-specific DLL names.
references:
- https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-347a
author: CISA
date: 2023-12-18
tags:
- attack.persistence
- attack.privilege-escalation
- attack.execution
- attack.stealth
- attack.t1574.001
- detection.emerging-threats
logsource:
category: image_load
product: windows
detection:
selection:
ImageLoaded|endswith:
- '\AclNumsInvertHost.dll'
- '\AddressResourcesSpec.dll'
- '\BlendMonitorStringBuild.dll'
- '\ChildPaletteConnected.dll'
- '\DeregisterSeekUsers.dll'
- '\HandleFrequencyAll.dll'
- '\HardSwapColor.dll'
- '\LengthInMemoryActivate.dll'
- '\ModeBitmapNumericAnimate.dll'
- '\ModeFolderSignMove.dll'
- '\ParametersNamesPopup.dll'
- '\PerformanceCaptionApi.dll'
- '\ScrollbarHandleGet.dll'
- '\UnregisterAncestorAppendAuto.dll'
- '\WowIcmpRemoveReg.dll'
condition: selection
falsepositives:
- Unknown
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
ImageLoaded|endswith:
- '\AclNumsInvertHost.dll'
- '\AddressResourcesSpec.dll'
- '\BlendMonitorStringBuild.dll'
- '\ChildPaletteConnected.dll'
- '\DeregisterSeekUsers.dll'
- '\HandleFrequencyAll.dll'
- '\HardSwapColor.dll'
- '\LengthInMemoryActivate.dll'
- '\ModeBitmapNumericAnimate.dll'
- '\ModeFolderSignMove.dll'
- '\ParametersNamesPopup.dll'
- '\PerformanceCaptionApi.dll'
- '\ScrollbarHandleGet.dll'
- '\UnregisterAncestorAppendAuto.dll'
- '\WowIcmpRemoveReg.dll'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
ImageLoaded | ends_with |
|