SHOTPUT

MITRE ATT&CK: S0063 View on attack.mitre.org

Aliases: Backdoor.APT.CookieCutter, Pirpi, CookieCutter, SHOTPUT

First seen
2015-05-01 00:00:00
Malware type
backdoor
Family
Malware family
Operating systems
windows
Last IoC activity
2026-04-23 03:05:10
Profile updated
2026-07-07 12:35:27

Targeted industries: government-and-public-sector financial-services technology-and-telecommunications

Targeted regions: country_code:us country_code:hk

Context

SHOTPUT is a custom backdoor linked to APT3, known for conducting cyber espionage activities. It enables remote access and control over compromised systems, often targeting government and financial sectors.

Detection coverage

  • 1 YARA rules
  • 150 Sigma rules

Malware & tools used

  • Obfuscated Files or Information (attack-pattern)
  • File and Directory Discovery (attack-pattern)
  • Local Account (attack-pattern)
  • Remote System Discovery (attack-pattern)
  • System Network Connections Discovery (attack-pattern)
  • Process Discovery (attack-pattern)

Used by threat actors

  • APT3 (threat-actor)

Exploited vulnerabilities

  • CVE-2015-3113 (vulnerability)

Detection rules

  • MALPEDIA_Win_Pirpi_Auto (yara-rule)

Reports & references

  • Mandiant — Operation Clandestine Wolf Adobe Flash Zero Day (report)
  • web.archive.org — Buckeye Cyberespionage Group Shifts Gaze Us Hong Kong (report)
  • secureworks.com — Bronze Mayfair (report)
  • Mandiant — Operation Doubletap (report)
  • web.archive.org — Globalthreatintelreport (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Pirpi (report)
  • researchcenter.paloaltonetworks.com — Ups Observations On Cve 2015 3113 Prior Zero Days And The Pirpi Payload (report)
  • Mandiant — Clandestine Fox Part Deux (report)
  • MITRE ATT&CK — S0063 (report)

External references