Detection rules › Sigma

Potential RjvPlatform.DLL Sideloading From Default Location

Status
test
Severity
medium
Log source
product windows, category image_load
Author
X__Junior (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects loading of "RjvPlatform.dll" by the "SystemResetPlatform.exe" binary which can be abused as a method of DLL side loading since the "$SysReset" directory isn't created by default.

MITRE ATT&CK coverage

Event coverage

ProviderEventTitle
SysmonEvent ID 7Image loaded

Rule body yaml

title: Potential RjvPlatform.DLL Sideloading From Default Location
id: 259dda31-b7a3-444f-b7d8-17f96e8a7d0d
status: test
description: Detects loading of "RjvPlatform.dll" by the "SystemResetPlatform.exe" binary which can be abused as a method of DLL side loading since the "$SysReset" directory isn't created by default.
references:
    - https://twitter.com/0gtweet/status/1666716511988330499
author: X__Junior (Nextron Systems)
date: 2023-06-09
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.execution
    - attack.stealth
    - attack.t1574.001
logsource:
    category: image_load
    product: windows
detection:
    selection:
        Image: 'C:\Windows\System32\SystemResetPlatform\SystemResetPlatform.exe'
        ImageLoaded: 'C:\$SysReset\Framework\Stack\RjvPlatform.dll'
    condition: selection
falsepositives:
    - Unknown
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    Image: 'C:\Windows\System32\SystemResetPlatform\SystemResetPlatform.exe'
    ImageLoaded: 'C:\$SysReset\Framework\Stack\RjvPlatform.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.

FieldKindValues
Imageeq
  • C:\Windows\System32\SystemResetPlatform\SystemResetPlatform.exe
ImageLoadedeq
  • C:\$SysReset\Framework\Stack\RjvPlatform.dll