linux/x86 execve /bin/sh toupper evasion 55 bytes

linux/x86 execve /bin/sh toupper evasion 55 bytes. Shellcode exploit for linx86 platform / Linux/x86 toupper evasion, standard execve /bin/sh used eg. in various imapd exploits. Goes through a loop adding 0x20 to the /bin/sh -= 0x20 string ie. yields /bin/sh after addition. / include char c0de = ...