PUBLIC HookPacketRecv
ReceivePacket PROTO :DWORD, :DWORD
.CODE
;======================================
;HookPacketReceived
;======================================
HookPacketRecv  PROC
HookPacket: 
 
;SET HOOK AT 0x8771DC
;REPLACE OVERWRITTEN FUNCTION
jnb HookPacket_UnkProtoc 
 
;CUSTOM CODE
;PUSH REGISTERS TO PRESERVE
push rax
push rdx
push r8
push r9
push r10
push r11
 
;GET VARS FOR ReceivePacket
lea rcx, [rbx+r13] 
lea rdx, [rsi] 
;CALL ReceivePacket
call ReceivePacket
 
;RESTORE REGISTERS
pop r11
pop r10
pop r9
pop r8
pop rdx
pop rax
 
;JUMP BACK TO EXIT POINT
;USE RCX - IT IS OVERWRITTEN ON EVERY PATH
mov rcx, 8771E2h 
;JMP TO PROPER LOCATION
jmp rcx
 
HookPacket_UnkProtoc: 
mov rcx, 87756Fh 
jmp rcx
HookPacketRecv  ENDP
END