Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
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Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Active Rule
DLL Loaded via CertOC.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
DLL Loaded via CertOC.EXE
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: DLL Loaded via CertOC.EXE
id: 242301bc-f92f-4476-8718-78004a6efd9f
related:
- id: 84232095-ecca-4015-b0d7-7726507ee793
type: similar
status: test
description: Detects when a user installs certificates by using CertOC.exe to loads the target DLL file.
references:
- https://twitter.com/sblmsrsn/status/1445758411803480072?s=20
- https://github.com/elastic/protections-artifacts/commit/746086721fd385d9f5c6647cada1788db4aea95f#diff-fe98e74189873d6df72a15df2eaa0315c59ba9cdaca93ecd68afc4ea09194ef2
- https://lolbas-project.github.io/lolbas/Binaries/Certoc/
author: Austin Songer @austinsonger
date: 2021-10-23
modified: 2024-03-05
tags:
- attack.defense-evasion
- attack.t1218
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\certoc.exe'
- OriginalFileName: 'CertOC.exe'
selection_cli:
CommandLine|contains|windash: ' -LoadDLL '
condition: all of selection_*
falsepositives:
- Unknown
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_certoc_load_dll.yml