
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
ruletype: SIGMA
