CASTLETAP
- ID
- S1224
- Type
- Malware
- Platforms
- Network Devices
- Source
- attack.mitre.org
- MITRE last modified
- 17 Jun 2025
CASTLETAP is an ICMP port knocking backdoor that has been installed on compromised FortiGate firewalls by UNC3886.[1]
Techniques used (8)
- T1005 Data from Local System
- T1040 Network Sniffing
- T1059.004 Unix Shell
- T1105 Ingress Tool Transfer
- T1140 Deobfuscate/Decode Files or Information
- T1205.002 Socket Filters
- T1573.001 Symmetric Cryptography
- T1573.002 Asymmetric Cryptography