MITRE ATT&CKsoftware (malware)
S9037 RustyWater
- Domain
- enterprise
- Platforms
- Windows
- Aliases
- Archer RAT / RUSTRIC
- Version
- 1.0
- Created
- 2026-04-21
Description
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.
Related
Uses · MITRE ATT&CK (20)
- T1684.001 Impersonation sub-technique
- T1678 Delay Execution technique
- T1027.013 Encrypted/Encoded File sub-technique
- T1622 Debugger Evasion technique
- T1573.001 Symmetric Cryptography sub-technique
- T1071.001 Web Protocols sub-technique
- T1132.001 Standard Encoding sub-technique
- T1204.002 Malicious File sub-technique
- T1566.001 Spearphishing Attachment sub-technique
- T1087.002 Domain Account sub-technique
- T1518.001 Security Software Discovery sub-technique
- T1559.001 Component Object Model sub-technique
- T1036.005 Match Legitimate Resource Name or Location sub-technique
- T1547.001 Registry Run Keys / Startup Folder sub-technique
- T1055.002 Portable Executable Injection sub-technique
- T1140 Deobfuscate/Decode Files or Information technique
- T1027 Obfuscated Files or Information technique
- T1033 System Owner/User Discovery technique
- T1082 System Information Discovery technique
- T1106 Native API technique
Referenced by MITRE ATT&CK · uses (1)
- G0069 MuddyWater group
References
- https://www.cloudsek.com/blog/reborn-in-rust-muddywater-evolves-tooling-with-rustywater-implant CloudSEK_RustyWater_Jan2026