Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
New Root or CA or AuthRoot Certificate to Store
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
New Root or CA or AuthRoot Certificate to Store
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: New Root or CA or AuthRoot Certificate to Store
id: d223b46b-5621-4037-88fe-fda32eead684
status: test
description: Detects the addition of new root, CA or AuthRoot certificates to the Windows registry
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1553.004/T1553.004.md#atomic-test-6---add-root-certificate-to-currentuser-certificate-store
- https://posts.specterops.io/code-signing-certificate-cloning-attacks-and-defenses-6f98657fc6ec
author: frack113
date: 2022-04-04
modified: 2023-08-17
tags:
- attack.impact
- attack.t1490
logsource:
category: registry_set
product: windows
detection:
selection:
TargetObject|contains:
- '\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates\'
- '\SOFTWARE\Policies\Microsoft\SystemCertificates\Root\Certificates\'
- '\SOFTWARE\Microsoft\EnterpriseCertificates\Root\Certificates\'
- '\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\'
- '\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates\'
- '\SOFTWARE\Microsoft\EnterpriseCertificates\CA\Certificates\'
- '\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\'
- '\SOFTWARE\Policies\Microsoft\SystemCertificates\AuthRoot\Certificates\'
- '\SOFTWARE\Microsoft\EnterpriseCertificates\AuthRoot\Certificates\'
TargetObject|endswith: '\Blob'
Details: 'Binary Data'
condition: 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/registry/registry_set/registry_set_install_root_or_ca_certificat.yml