Detection rules › Sigma

DLL Execution Via Register-cimprovider.exe

Status
test
Severity
medium
Log source
product windows, category process_creation
Author
Ivan Dyachkov, Yulia Fomina, oscd.community
Source
github.com/SigmaHQ/sigma

Detects using register-cimprovider.exe to execute arbitrary dll file.

MITRE ATT&CK coverage

Event coverage

Rule body yaml

title: DLL Execution Via Register-cimprovider.exe
id: a2910908-e86f-4687-aeba-76a5f996e652
status: test
description: Detects using register-cimprovider.exe to execute arbitrary dll file.
references:
    - https://twitter.com/PhilipTsukerman/status/992021361106268161
    - https://lolbas-project.github.io/lolbas/Binaries/Register-cimprovider/
author: Ivan Dyachkov, Yulia Fomina, oscd.community
date: 2020-10-07
modified: 2021-11-27
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.execution
    - attack.stealth
    - attack.t1574
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\register-cimprovider.exe'
        CommandLine|contains|all:
            - '-path'
            - 'dll'
    condition: selection
falsepositives:
    - Unknown
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    Image|endswith: '\register-cimprovider.exe'
    CommandLine|contains|all:
        - '-path'
        - '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
CommandLinematch
  • -path corpus 2 (sigma 2)
  • dll
Imageends_with
  • \register-cimprovider.exe