push 0
mov rsi,rsp
mov dl,4
syscall
pop rax
push 0x20736559
cmp eax,0x0a30
je l1
cmp eax,0x0a34
je l1
cmp eax,0x0a3031
je l1
push dword 0x20206f4e
l1:
mov rsi,rsp
mov eax,1
mov edi,eax
syscall
xor edi,edi
mov al,60
syscall