Certificate Exported From Local Certificate Store

testmedium
log source: windows · certificateservicesclient-lifecycle-systemauthor Zach Mathisdate 2023-05-13
01

description

What this is, in brief.

Detects when an application exports a certificate (and potentially the private key as well) from the local Windows certificate store.

02

tags

attack.credential-accessattack.t1649
03

rule source (YAML)

title: Certificate Exported From Local Certificate Store
id: 58c0bff0-40a0-46e8-b5e8-b734b84d2017
status: test
description: Detects when an application exports a certificate (and potentially the private key as well) from the local Windows certificate store.
references:
    - https://www.splunk.com/en_us/blog/security/breaking-the-chain-defending-against-certificate-services-abuse.html
author: Zach Mathis
date: 2023-05-13
tags:
    - attack.credential-access
    - attack.t1649
logsource:
    product: windows
    service: certificateservicesclient-lifecycle-system
detection:
    selection:
        EventID: 1007 # A certificate has been exported
    condition: selection
falsepositives:
    - Legitimate application requesting certificate exports will trigger this. Apply additional filters as needed
level: medium
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.