RustyWater
- ID
- S9037
- Type
- Malware
- Associated names
- Archer RAT / RUSTRIC
- Platforms
- Windows
- Source
- attack.mitre.org
- MITRE last modified
- 12 May 2026
RustyWater is a Rust-based implant used by MuddyWater. Historically, MuddyWater has used PowerShell-based tools and RustyWater reflects a shift in tooling, demonstrating better techniques for defense evasion and reverse engineering.[1]
Techniques used (20)
- T1027 Obfuscated Files or Information
- T1027.013 Encrypted/Encoded File
- T1033 System Owner/User Discovery
- T1036.005 Match Legitimate Resource Name or Location
- T1055.002 Portable Executable Injection
- T1071.001 Web Protocols
- T1082 System Information Discovery
- T1087.002 Domain Account
- T1106 Native API
- T1132.001 Standard Encoding
- T1140 Deobfuscate/Decode Files or Information
- T1204.002 Malicious File
- T1518.001 Security Software Discovery
- T1547.001 Registry Run Keys / Startup Folder
- T1559.001 Component Object Model
- T1566.001 Spearphishing Attachment
- T1573.001 Symmetric Cryptography
- T1622 Debugger Evasion
- T1678 Delay Execution
- T1684.001 Impersonation