Threat Actor

MuddyWater

MuddyWater is a cyber espionage group assessed to be a subordinate element within Iran's Ministry of Intelligence and Security (MOIS). Since at least 2017, MuddyWater has targeted a range of government and private organizations across sectors, including telecommunications, local government, finance, defense, and oil and natural gas organizations, in the Middle East (specifically the UAE and Saudi Arabia), Asia, Africa, Europe, and North America. MuddyWater has reused domains dating back to October 2025, and has a preference for NameCheap and Hosterdaddy Private Limited (AS136557). In late 2025 and early 2026, MuddyWater used commercial satellite internet (i.e., Starlink) for command and control (C2) communication.

69
Techniques
21
Software
0
indicators on this record

Properties

Last source
MITRE ATT&CK
STIX ID
intrusion-set--269e8108-68c6-4f99-b911-14b2e765dec2
In Signal since
initial import (Sep 2026)
Retrieved at
2026-11-01T12:34:03+00:00
Type
intrusion-set

MITRE ATT&CK Techniques (showing 30 of 69)

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Archive via Utility (T1560.001)

Adversaries may use utilities to compress and/or encrypt collected data prior to exfiltration. Many utilities include functionalities to compress, enc

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Bidirectional Communication (T1102.002)

Adversaries may use an existing, legitimate external Web service as a means for sending commands to and receiving output from a compromised system ove

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Bypass User Account Control (T1548.002)

Adversaries may bypass UAC mechanisms to elevate process privileges on system. Windows User Account Control (UAC) allows a program to elevate its priv

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CMSTP (T1218.003)

Adversaries may abuse CMSTP to proxy execution of malicious code. The Microsoft Connection Manager Profile Installer (CMSTP.exe) is a command-line pro

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Cached Domain Credentials (T1003.005)

Adversaries may attempt to access cached domain credentials used to allow authentication to occur in the event a domain controller is unavailable.(Cit

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Command Obfuscation (T1027.010)

Adversaries may obfuscate content during command execution to impede detection. Command-line obfuscation is a method of making strings and patterns wi

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Compile After Delivery (T1027.004)

Adversaries may attempt to make payloads difficult to discover and analyze by delivering files to victims as uncompiled code. Text-based source code f

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Component Object Model (T1559.001)

Adversaries may use the Windows Component Object Model (COM) for local code execution. COM is an inter-process communication (IPC) component of the na

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Credentials In Files (T1552.001)

Adversaries may search local file systems and remote file shares for files containing insecurely stored credentials. These can be files created by use

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Credentials from Password Stores (T1555)

Adversaries may search for common password storage locations to obtain user credentials. Passwords are stored in several

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Credentials from Web Browsers (T1555.003)

Adversaries may acquire credentials from web browsers by reading files specific to the target browser. Web bro

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DLL (T1574.001)

Adversaries may abuse dynamic-link library files (DLLs) in order to achieve persistence, escalate privileges, and evade defenses. DLLs are libraries t

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Deobfuscate/Decode Files or Information (T1140)

Adversaries may use Obfuscated Files or Information to hide artifacts of an intrusion from analysis. They

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Disable or Modify Tools (T1685)

Adversaries may disable, degrade, or tamper with security tools or applications (e.g., endpoint detection and response (EDR) tools, intrusion detectio

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Domain Account (T1087.002)

Adversaries may attempt to get a listing of domain accounts. This information can help adversaries determine which domain accounts exist to aid in fol

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Domains (T1583.001)

Adversaries may acquire domains that can be used during targeting. Domain names are the human readable names used to represent one or more IP addresse

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Dynamic Data Exchange (T1559.002)

Adversaries may use Windows Dynamic Data Exchange (DDE) to execute arbitrary commands. DDE is a client-server protocol for one-time and/or continuous

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Exfiltration Over C2 Channel (T1041)

Adversaries may steal data by exfiltrating it over an existing command and control channel. Stolen data is encoded into the normal communications chan

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Exfiltration to Cloud Storage (T1567.002)

Adversaries may exfiltrate data to a cloud storage service rather than over their primary command and control channel. Cloud storage services allow fo

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Exploit Public-Facing Application (T1190)

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network. The weakness in the system can be a

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Exploitation for Client Execution (T1203)

Adversaries may exploit software vulnerabilities in client applications to execute code. Vulnerabilities can exist in software due to unsecure coding

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Exploitation of Remote Services (T1210)

Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network. Exploitation of a software vulnerabi

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External Proxy (T1090.002)

Adversaries may use an external proxy to act as an intermediary for network communications to a command and control server to avoid direct connections

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File and Directory Discovery (T1083)

Adversaries may enumerate files and directories or may search in specific locations of a host or network share for certain information within a file s

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Impersonation (T1684.001)

Adversaries may impersonate a trusted person or organization in order to persuade and trick a target into performing some action on their behalf. For

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Ingress Tool Transfer (T1105)

Adversaries may transfer tools or other files from an external system into a compromised environment. Tools or files may be copied from an external ad

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Internal Spearphishing (T1534)

After they already have access to accounts or systems within the environment, adversaries may use internal spearphishing to gain access to additional

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JavaScript (T1059.007)

Adversaries may abuse various implementations of JavaScript for execution. JavaScript (JS) is a platform-independent scripting language (compiled just

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LSA Secrets (T1003.004)

Adversaries with SYSTEM access to a host may attempt to access Local Security Authority (LSA) secrets, which can contain a variety of different creden

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LSASS Memory (T1003.001)

Adversaries may attempt to access credential material stored in the process memory of the Local Security Authority Subsystem Service (LSASS). After a

Software & Tools (21)

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ConnectWise [malware]

ConnectWise is a legitimate remote administration tool that has been used since at least 2016 by threat act

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CrackMapExec [tool]

CrackMapExec, or CME, is a post-exploitation tool developed in Python and designed for penetration testing

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Empire [tool]

Empire is an open-source, cross-platform remote administration and post-exploitation framework that is publ

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Fooder [malware]

Fooder is a custom 64-bit C/C++ loader used by MuddyWater that can

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Koadic [tool]

Koadic is a Windows post-exploitation framework and penetration testing tool that is publicly available on

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LP-Notes [malware]

LP-Notes is a C/C++ Windows credential stealer used by MuddyWater.

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LaZagne [tool]

LaZagne is a post-exploitation, open-source tool used to recover stored passwords on a system. It has modul

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MimiKatz [malware]

Mimikatz is a credential dumper capable of obtaining plaintext Windows account logins and passwords, along

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Mori [malware]

Mori is a backdoor that has been used by MuddyWater since at least

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MuddyViper [malware]

MuddyViper is custom backdoor written in C and C++ used by [MuddyWater](https://attack.mitre.org/groups/G00

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Out1 [tool]

Out1 is a remote access tool written in python and used by [MuddyWater](https://attack.mitre.org/groups/G00

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POWERSTATS [malware]

POWERSTATS is a PowerShell-based first stage backdoor used by [MuddyWater](https://attack.mitre.org/groups/

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PowGoop [malware]

PowGoop is a loader that consists of a DLL loader and a PowerShell-based downloader; it has been used by [M

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PowerSploit [tool]

PowerSploit is an open source, offensive security framework comprised of [PowerShell](https://attack.mitre.

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Rclone [tool]

Rclone is a command line program for syncing files with cloud storage services such as Dropbox, Google Driv

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RemoteUtilities [tool]

RemoteUtilities is a legitimate remote administration tool that has been used by [MuddyWater](https://attac

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RustyWater [malware]

RustyWater is a Rust-based implant used by MuddyWater. Historicall

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SHARPSTATS [malware]

SHARPSTATS is a.NET backdoor used by MuddyWater since at least 20

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STARWHALE [malware]

STARWHALE is Windows Script File (WSF) backdoor that has been used by [MuddyWater](https://attack.mitre.org

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Small Sieve [malware]

Small Sieve is a Telegram Bot API-based Python backdoor that has been distributed using a Nullsoft Scriptab

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Tsundere Botnet [malware]

Tsundere Botnet is a botnet first reported in mid-2025 that is delivered via MSI installer or a PowerShell

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