Skip to content
Nation-state APTIdeologyAdvanced sophistication · State-backed

SideWinder

SideWinder is a Pakistan-attributed nation-state APT group with an ideological motive, tracked by Brandefense. It targets 19 sectors, including Government and Technology, in 45 countries, including India and France. It uses 99 MITRE ATT&CK techniques and exploits 6 known CVEs.

Also known as
  • Rattlesnake
  • T-APT-04
  • APT-C-17
  • Razor Tiger
  • Hardcore Nationalist
  • Baby Elephant
  • Operation Origami
  • HN2
  • APT-Q-39
  • GroupA21
  • G0121
Origin
Pakistan
Techniques
99
Exploited CVEs
6
First seen
Jun 2, 2022
Last seen
Dec 4, 2025
Record updated

Who They Target.

Labelsespionage

About SideWinder.

Sector-level targeting focused on government, military and defense entities.

Last updated Sep 19, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.