VG verify server on 0.0.0.0:8088，变体 9 个
canary = 3ad7c2ebb96fcba7cda0cf54a2e802f5
FxxkMyLie1836710Aa
pwCfm=Dn5Ch4ng3
sp_configure
xp_cmdshell
java.lang.ProcessBuilder(
/dev/tcp/

  GET /vg/resp/plain               POST /vg/req/plain             
  GET /vg/resp/gzip                POST /vg/req/gzip              
  GET /vg/resp/br                  POST /vg/req/br                
  GET /vg/resp/br-space            POST /vg/req/br-space          
  GET /vg/resp/gzip-gzip           POST /vg/req/gzip-gzip         
  GET /vg/resp/br-gzip             POST /vg/req/br-gzip           
  GET /vg/resp/br-deflate          POST /vg/req/br-deflate        
  GET /vg/resp/gzip-br             POST /vg/req/gzip-br           
  GET /vg/resp/zstd-gzip           POST /vg/req/zstd-gzip         
[RESP] plain              ce=-            body_bytes=65536
[RESP] gzip               ce=gzip         body_bytes=8820
[RESP] br                 ce=br           body_bytes=8514
[RESP] br-gzip            ce=br, gzip     body_bytes=8506
