Certificate Exported Via Certutil.EXE

 1title: Certificate Exported Via Certutil.EXE
 2id: 3ffd6f51-e6c1-47b7-94b4-c1e61d4117c5
 3status: test
 4description: Detects the execution of the certutil with the "exportPFX" flag which allows the utility to export certificates.
 5references:
 6    - https://www.splunk.com/en_us/blog/security/a-golden-saml-journey-solarwinds-continued.html
 7author: Florian Roth (Nextron Systems), Jonhnathan Ribeiro, oscd.community, Nasreddine Bencherchali (Nextron Systems)
 8date: 2023-02-15
 9modified: 2024-03-05
10tags:
11    - attack.defense-evasion
12    - attack.t1027
13logsource:
14    category: process_creation
15    product: windows
16detection:
17    selection_img:
18        - Image|endswith: '\certutil.exe'
19        - OriginalFileName: 'CertUtil.exe'
20    selection_cli:
21        CommandLine|contains|windash: '-exportPFX '
22    condition: all of selection_*
23falsepositives:
24    - There legitimate reasons to export certificates. Investigate the activity to determine if it's benign
25level: medium