Upload freeze about ffm HOT 7 CLOSED

$ ./ffm.py --debug-output --debug-input

███████╗███████╗███╗   ███╗   ██████╗ ██╗   ██╗
██╔════╝██╔════╝████╗ ████║   ██╔══██╗╚██╗ ██╔╝
█████╗  █████╗  ██╔████╔██║   ██████╔╝ ╚████╔╝ 
██╔══╝  ██╔══╝  ██║╚██╔╝██║   ██╔═══╝   ╚██╔╝  
██║     ██║     ██║ ╚═╝ ██║██╗██║        ██║   
╚═╝     ╚═╝     ╚═╝     ╚═╝╚═╝╚═╝        ╚═╝   

FFM enabled. Type !list to see available commands and exit to quit.
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$ 0D 
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$ 0D 
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$ nc 172.18.0.2 7777 !bypass0D 
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21 !75 u70 p6C l6F o61 a64 d0D 
Usage: !upload [local file] [remote destination]
Received 1 argument(s), expected 3.
$ 0D 
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21 !75 u70 p6C l6F o61 a64 d20  66 f66 f6D m2E .70 p79 y20  74 t65 e73 s74 t2E .70 p79 y0D 
<FREEZE>

write_str("echo \"%s\" |base64 -d |gunzip >> %s" % (b64.decode("ascii"), self.destination), LogLevel.ERROR)