Function at 0x513a40
Capabilities:
Get local ipv4 addresses
Get socket information
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5c68f0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x180
push ebx
push esi
mov esi, ecx
xor ebx, ebx
push edi
mov dword [ebp - 0x18], esi
mov eax, dword [esi + 0x30dc]
mov dword [ebp - 0x10], esp
mov dword [ebp - 4], ebx
cmp dword [eax + 0x1dc], ebx
je 0x513aad
mov ecx, dword [0x68361c]
push ecx
mov ecx, dword [esi + 0x6c]
call fcn.005113f0
mov edx, dword [esi + 0x30dc]
mov eax, 0x755a
mov dword [edx + 0xf8], eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
lea edi, [esi + 0x3908]
mov ecx, esi
push edi
mov dword [esi + 0x3104], ebx
call fcn.00513670
cmp eax, ebx
jne 0x513cb4
mov edx, dword [edi]
lea eax, [ebp - 0x14]
lea ecx, [ebp - 0x38]
push eax
mov ebx, 0x10
push ecx
push edx
mov dword [ebp - 0x14], ebx
call sub.WSOCK32.dll_getsockname
test eax, eax
jge 0x513b21
call sub.WSOCK32.dll_WSAGetLastError
mov ebx, eax
mov eax, dword [edi]
push eax
call sub.WSOCK32.dll_closesocket
push ebx
lea ecx, [ebp - 0x78]
push str.Error_code___ld_n
push ecx
mov dword [edi], 0xffffffff
call fcn.005851fa
mov edx, dword [0x683628]
add esp, 0xc
mov ecx, esi
push 1
push edx
call fcn.0050df70
lea eax, [ebp - 0x78]
jmp 0x513b76
mov edx, dword [esi + 0x30cc]
lea eax, [ebp - 0x14]
lea ecx, [ebp - 0x28]
push eax
push ecx
push edx
mov dword [ebp - 0x14], ebx
call sub.WSOCK32.dll_getsockname
test eax, eax
jge 0x513bac
call sub.WSOCK32.dll_WSAGetLastError
mov ebx, eax
mov eax, dword [edi]
push eax
call sub.WSOCK32.dll_closesocket
push ebx
lea ecx, [ebp - 0x58]
push str.Error_code___ld_n
push ecx
mov dword [edi], 0xffffffff
call fcn.005851fa
mov edx, dword [0x683628]
add esp, 0xc
mov ecx, esi
push 1
push edx
call fcn.0050df70
lea eax, [ebp - 0x58]
push eax
mov ecx, esi
call fcn.0050e040
mov ecx, dword [0x683628]
push ecx
mov ecx, dword [esi + 0x6c]
call fcn.005113f0
mov edx, dword [esi + 0x30dc]
mov eax, ebx
mov dword [edx + 0xf8], ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [ebp - 0x35]
mov ecx, dword [ebp - 0x36]
mov edx, dword [ebp - 0x21]
and eax, 0xff
and ecx, 0xff
push eax
mov eax, dword [ebp - 0x22]
and edx, 0xff
push ecx
mov ecx, dword [ebp - 0x23]
push edx
mov edx, dword [ebp - 0x24]
and eax, 0xff
and ecx, 0xff
push eax
and edx, 0xff
push ecx
push edx
lea eax, [ebp - 0x18c]
push str.PORT__d__d__d__d__d__d_r_n
push eax
call fcn.005851fa
mov ecx, dword [0x683578]
add esp, 0x20
push 1
push ecx
mov ecx, esi
call fcn.0050df70
lea edi, [ebp - 0x18c]
or ecx, 0xffffffff
xor eax, eax
push str.send___PORT
repne scasb al, byte es:[edi]
mov eax, dword [esi + 0x30cc]
push 0
not ecx
dec ecx
lea edx, [ebp - 0x18c]
push ecx
push edx
push eax
call sub.WSOCK32.dll_send
push eax
mov ecx, esi
call fcn.0050e0e0
test eax, eax
je 0x513c5e
mov ecx, dword [esi + 0x30dc]
mov dword [ecx + 0xf8], eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push 6
lea ecx, [esi + 0x30c0]
call fcn.00545040
mov ecx, esi
call fcn.0050ed30
mov dword [esi + 0x5c], 4
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret