title: Suspicious PFX File Creation author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research) date: 2020/05/02 description: A general detection for processes creating PFX files. This could be an indicator of an adversary exporting a local certificate to a PFX file. detection: SELECTION_1: EventID: 11 SELECTION_2: TargetFilename: '*.pfx' condition: (SELECTION_1 and SELECTION_2) falsepositives: - System administrators managing certififcates. id: dca1b3e8-e043-4ec8-85d7-867f334b5724 level: medium logsource: category: file_event product: windows references: - https://github.com/OTRF/detection-hackathon-apt29/issues/14 - https://threathunterplaybook.com/evals/apt29/detections/6.B.1_6392C9F1-D975-4F75-8A70-433DEDD7F622.html status: experimental tags: - attack.credential_access - attack.t1552.004 yml_filename: sysmon_susp_pfx_file_creation.yml yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/file_event