UPPERCUT
- ID
- S0275
- Type
- Malware
- Associated names
- ANEL
- Platforms
- Windows
- Source
- attack.mitre.org
- MITRE last modified
- 12 May 2026
UPPERCUT is a 32-bit HTTP-based backdoor that has been used by menuPass since at least 2017.[1] Once thought to be exclusive to menuPass, UPPERCUT was also observed being used by menuPass-associated MirrorFace during Operation AkaiRyū.[2]
Techniques used (15)
- T1005 Data from Local System
- T1016 System Network Configuration Discovery
- T1033 System Owner/User Discovery
- T1059.003 Windows Command Shell
- T1071.001 Web Protocols
- T1082 System Information Discovery
- T1083 File and Directory Discovery
- T1105 Ingress Tool Transfer
- T1113 Screen Capture
- T1124 System Time Discovery
- T1132.001 Standard Encoding
- T1548.002 Bypass User Account Control
- T1573.001 Symmetric Cryptography
- T1574.001 DLL
- T1678 Delay Execution