216.73.217.22

Sidewinder

· Published 16/12/2025 19:39 · Modified 27/03/2026 01:14 · Source: The MITRE Corporation

Essential information

Confidence
100/100
Published
16/12/2025 19:39
Modified
27/03/2026 01:14
Updated at
27/03/2026 01:14
Revoked
No
Author / Source
The MITRE Corporation
Resource level
—
Primary motivation
—
Related entities
6 reports, 88 attack patterns (mitre), 16 malware, 12 sectors, 32 countries, 100 indicators, 3 vulnerabilities (cve), 1 tool

Aliases

T-APT-04 Rattlesnake

Description

[Sidewinder](https://attack.mitre.org/groups/G0121) is a suspected Indian threat actor group that has been active since at least 2012. They have been observed targeting government, military, and business entities throughout Asia, primarily focusing on Pakistan, China, Nepal, and Afghanistan.(Citation: ATT Sidewinder January 2021)(Citation: Securelist APT Trends April 2018)(Citation: Cyble Sidewinder September 2020)

Marking (TLP)

TLP:CLEAR Copyright 2015-2025, The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation.

External references

Related entities

Attack patterns, malware, vulnerabilities, indicators and other entities linked to this intrusion set.