software

MuddyViper

activeentity:software

[MuddyViper](https://attack.mitre.org/software/S9032) is custom backdoor written in C and C++ used by [MuddyWater](https://attack.mitre.org/groups/G0069) for command and control (C2) communications and persistence. [MuddyViper](https://attack.mitre.org/software/S9032) is loaded by [Fooder](https://attack.mitre.org/software/S9033) and sends frequent messages to the C2 server.(Citation: ESET_MuddyWater_Dec2025)

Curated · btcintel

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Facts

id: muddyviper
kind: software
status: active
aliases: —
jurisdictions: —
claims naming it: 0 · 0 attributions · 1 relations · 0 events

Identifiers

attack S9032via mitre-attack

Relations

MITRE ATT&CK Enterpriserecords thatMuddyWaterusesMuddyViper
fetch —sha256 dc1639caa5501d72
rel_116btcintel:relations:116@v1 sha256:c1b4d8e5607b9500
confidenceauthority data · 60

Events

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Claims naming this entity

computedno current claim names this entity

Subjects0 subjects carry a claim naming this entity · a sample

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