---
id: 6185
title: "DinDoor Backdoor: Deno Runtime Abuse and 20 Active C2 Servers"
source_domain: hunt.io
source_url: "https://hunt.io/blog/dindoor-deno-runtime-backdoor-msi-analysis"
published_at: "2026-04-21T00:00:00Z"
tags: ["threat-intelligence", "malware", "backdoor", "command-and-control", "dindoor", "deno", "tsundere", "muddywater"]
phying_url: "https://phying.com/item/6185"
lang: en
---

# DinDoor Backdoor: Deno Runtime Abuse and 20 Active C2 Servers

## Summary

Hunt.io dissects DinDoor, a Tsundere-variant backdoor abusing the Deno runtime: MSI-delivered obfuscated JavaScript, a hardcoded JWT leaking campaign data, and a pivot to 20 active C2 servers.

## Intelligence Metadata

- **Sources:** hunt.io
- **Published:** 2026-04-21T00:00:00Z
- **Original:** https://hunt.io/blog/dindoor-deno-runtime-backdoor-msi-analysis
- **Phying News:** https://phying.com/item/6185