|
21
|
Application Layer Protocol
|
|
29
|
Asymmetric Cryptography
|
|
39
|
Bidirectional Communication
|
|
75
|
Commonly Used Port
|
|
76
|
Communication Through Removable Media
|
|
111
|
DNS
|
|
113
|
DNS Calculation
|
|
118
|
Data Encoding
|
|
121
|
Data Obfuscation
|
|
130
|
Dead Drop Resolver
|
|
157
|
Domain Fronting
|
|
158
|
Domain Generation Algorithms
|
|
172
|
Dynamic Resolution
|
|
183
|
Encrypted Channel
|
|
213
|
External Proxy
|
|
216
|
Fallback Channels
|
|
217
|
Fast Flux DNS
|
|
219
|
File Transfer Protocols
|
|
256
|
Ingress Tool Transfer
|
|
264
|
Internal Proxy
|
|
269
|
Junk Data
|
|
296
|
Mail Protocols
|
|
315
|
Multi-Stage Channels
|
|
316
|
Multi-hop Proxy
|
|
317
|
Multiband Communication
|
|
336
|
Non-Application Layer Protocol
|
|
337
|
Non-Standard Encoding
|
|
338
|
Non-Standard Port
|
|
347
|
One-Way Communication
|
|
371
|
Port Knocking
|
|
385
|
Protocol Impersonation
|
|
386
|
Protocol Tunneling
|
|
387
|
Proxy
|
|
403
|
Remote Access Software
|
|
478
|
Standard Encoding
|
|
484
|
Steganography
|
|
489
|
Symmetric Cryptography
|
|
515
|
Traffic Signaling
|
|
548
|
Web Protocols
|
|
549
|
Web Service
|