Screen Capture Activity Via Psr.EXE

Title: Screen Capture Activity Via Psr.EXE
Status: test
Description:Detects execution of Windows Problem Steps Recorder (psr.exe), a utility used to record the user screen and clicks.
References:
  -https://lolbas-project.github.io/lolbas/Binaries/Psr/
  -https://web.archive.org/web/20200229201156/https://www.sans.org/cyber-security-summit/archives/file/summit-archive-1493861893.pdf
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1560.001/T1560.001.md
Author: Beyu Denis, oscd.community
Date: 2019-10-12
modified:2024-01-04
Tags:

• -'attack.collection'
• -'attack.t1113'

Logsource:

• category: process_creation
• product: windows

Detection:
  selection:
    Image|endswith: '\Psr.exe'
    CommandLine|contains:
      -'/start'
      -'-start'

  condition:selection
Falsepositives:
  -Unknown
Level: medium