Function at 0x403f90
Capabilities:
Create tcp socket
Create udp socket
Resolve dns
Set socket configuration

Disassembly:
sub esp, 0x2d4
push ebx
push ebp
mov ebp, dword [esp + 0x2e0]
mov eax, dword [ebp + 0x1b8]
push esi
xor esi, esi
cmp eax, esi
push edi
mov dword [ebp], esi
jne 0x403fc1
cmp dword [ebp + 0x1bc], esi
je 0x403ffc
cmp eax, esi
jne 0x403fc1
mov eax, 0x422464
mov ecx, dword [ebp + 0x1bc]
push ecx
push eax
lea edx, [ebp + 0x190]
push edx
call fcn.00404940
mov eax, dword [ebp + 0x1b8]
push eax
call fcn.004074c0
mov ecx, dword [ebp + 0x1bc]
push ecx
call fcn.004074c0
add esp, 0x14
mov dword [ebp + 0x1bc], esi
mov dword [ebp + 0x1b8], esi
mov ebx, dword [esp + 0x2ec]
cmp ebx, esi
je 0x40400c
cmp byte [ebx], 0
jne 0x404019
mov ebx, dword [ebp + 0x1a0]
mov dword [esp + 0x2ec], ebx
mov eax, dword [esp + 0x2f0]
cmp eax, esi
je 0x404029
cmp byte [eax], 0
jne 0x404036
mov edx, dword [ebp + 0x1a8]
mov dword [esp + 0x2f0], edx
cmp dword [esp + 0x2f4], esi
jne 0x404064
mov eax, dword [ebp + 0x1ac]
cmp eax, esi
mov dword [esp + 0x2f4], eax
jne 0x404064
push 0x423c58
call fcn.00412dfa
add esp, 4
mov dword [esp + 0x2f4], eax
mov eax, dword [esp + 0x2f8]
cmp eax, esi
je 0x404074
cmp byte [eax], 0
jne 0x404081
mov eax, dword [ebp + 0x1b4]
mov dword [esp + 0x2f8], eax
cmp dword [esp + 0x2fc], esi
jne 0x404097
mov ecx, dword [ebp + 0x19c]
mov dword [esp + 0x2fc], ecx
mov eax, dword [esp + 0x300]
cmp eax, esi
jne 0x4040af
mov eax, dword [ebp + 0x1b0]
mov dword [esp + 0x300], eax
cmp eax, esi
mov byte [ebp + 0x18d], 1
mov dword [ebp + 0x148], 2
jne 0x4040f8
cmp ebx, esi
jne 0x4040d3
call fcn.00404910
test al, al
jne 0x4040f8
jmp 0x4040e5
mov edi, 0x423908
mov esi, ebx
mov ecx, 2
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
je 0x4040f8
mov al, byte [ebp + 0x199]
test al, al
jne 0x4040f8
mov al, byte [0x4394bc]
test al, al
jne 0x40416f
mov edx, dword [ebp + 0x190]
lea eax, [esp + 0x300]
push eax
lea ecx, [esp + 0x2f0]
push ecx
push edx
push ebp
call fcn.00403930
add esp, 0x10
cmp eax, 0xffffffff
jne 0x4041ff
mov al, byte [ebp + 0x199]
test al, al
jne 0x404885
mov ebx, dword [esp + 0x2ec]
test ebx, ebx
je 0x404150
mov edi, 0x423908
mov esi, ebx
mov ecx, 2
xor eax, eax
repe cmpsb byte [esi], byte es:[edi]
je 0x404885
mov esi, dword [esp + 0x300]
test esi, esi
je 0x40416f
mov edi, 0x422438
mov ecx, 6
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
je 0x404885
mov eax, dword [esp + 0x2fc]
test eax, eax
mov dword [esp + 0x300], 0
jne 0x404192
mov ecx, dword [0x4394c8]
mov dword [esp + 0x2fc], ecx
test ebx, ebx
jne 0x4041a1
mov dword [esp + 0x2ec], 0x422548
mov esi, dword [esp + 0x2ec]
mov edx, dword [0x4244b4]
push esi
push edx
lea eax, [esp + 0x38]
push eax
call fcn.00412c0d
add esp, 0xc
push 0
push 1
push 2
call sub.WSOCK32.dll_socket
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4042a6
mov dword [ebp + 0xe4], 0x7d4
call sub.WSOCK32.dll_WSAGetLastError
mov ecx, dword [ebp + 0xe4]
mov edx, dword [ecx*4 + 0x422548]
push eax
push edx
lea eax, [ebp + 0x1c]
push eax
call fcn.00412c0d
jmp 0x404882
push eax
call fcn.00409cf0
mov ecx, dword [esp + 0x2f0]
mov dword [ebp], eax
mov eax, dword [esp + 0x304]
mov edx, dword [0x4244c4]
push eax
push ecx
push edx
lea eax, [esp + 0x40]
push eax
call fcn.00412c0d
add esp, 0x14
mov eax, dword [ebp]
test eax, eax
je 0x404858
push eax
push ebp
call fcn.00409450
add esp, 8
test eax, eax
jne 0x404858
mov eax, dword [ebp]
push 1
push eax
call fcn.00409e20
mov eax, dword [ebp + 0x190]
add esp, 8
test eax, eax
mov dword [ebp + 0x140], 0xa
je 0x40438f
mov ecx, dword [ebp]
push eax
push ecx
call fcn.00409f10
add esp, 8
test al, al
je 0x40438f
mov dword [ebp + 0xe4], 0x7dd
mov edx, dword [0x4244bc]
push edx
lea eax, [ebp + 0x1c]
push eax
call fcn.00407cd0
add esp, 8
jmp 0x404885
push 0
push 1
push ebx
call fcn.00409c60
xor ecx, ecx
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x20], ecx
add esp, 0xc
mov dword [esp + 0x18], ecx
push esi
mov dword [ebp], eax
mov dword [esp + 0x20], ecx
mov word [esp + 0x14], 2
call sub.WSOCK32.dll_inet_addr
cmp eax, 0xffffffff
je 0x4042e0
mov dword [esp + 0x14], eax
jmp 0x404335
push esi
call sub.WSOCK32.dll_gethostbyname
test eax, eax
jne 0x404313
mov dword [ebp + 0xe4], 0x7d5
call sub.WSOCK32.dll_WSAGetLastError
mov edx, dword [0x42449c]
push eax
push esi
push edx
lea eax, [ebp + 0x1c]
push eax
call fcn.00412c0d
add esp, 0x10
jmp 0x404885
movsx ecx, word [eax + 0xa]
mov edx, dword [eax + 0xc]
mov esi, dword [edx]
mov eax, ecx
shr ecx, 2
lea edi, [esp + 0x14]
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov esi, dword [esp + 0x2ec]
mov ecx, dword [esp + 0x2fc]
push ecx
call sub.WSOCK32.dll_htons
mov edx, dword [ebp + 0x190]
push edx
mov word [esp + 0x16], ax
push 0x10
lea eax, [esp + 0x18]
push eax
push ebx
call fcn.004048c0
add esp, 0x10
test eax, eax
jge 0x40422c
mov dword [ebp + 0xe4], 0x7d3
call sub.WSOCK32.dll_WSAGetLastError
mov ecx, dword [0x424494]
push eax
push esi
push ecx
lea edx, [ebp + 0x1c]
push edx
call fcn.00412c0d
add esp, 0x10
jmp 0x404885
push ebp
call fcn.00403b00
mov edi, eax
add esp, 4
cmp edi, 0xffffffff
je 0x404885
mov eax, dword [ebp + 0x18]
xor ecx, ecx
mov cl, byte [eax]
cmp ecx, 0xa
mov dword [ebp + 0x140], ecx
je 0x4043df
cmp ecx, 9
je 0x4043df
push 0xa
mov dword [ebp + 0xe4], 0x7d7
mov edx, dword [0x4244a4]
push ecx
push edx
lea eax, [ebp + 0x1c]
push eax
call fcn.00412c0d
add esp, 0x10
jmp 0x404885
inc eax
push eax
call fcn.004093f0
mov esi, eax
mov ecx, dword [esi + 1]
push 8
add esi, 5
lea eax, [ebp + 0x1dc]
push esi
push eax
mov dword [ebp + 0x14c], ecx
call fcn.004091e0
mov edx, dword [ebp + 0x18]
add esi, 9
mov eax, esi
sub eax, edx
lea edx, [eax + 1]
add esp, 0x10
cmp edi, edx
jb 0x404422
xor ecx, ecx
mov cx, word [esi]
mov dword [ebp + 0x13c], ecx
add eax, 0x12
cmp edi, eax
jb 0x40443f
movsx edx, byte [esi + 2]
xor eax, eax
mov dword [ebp + 0x1ec], edx
mov ax, word [esi + 3]
mov dword [ebp + 0x148], eax
mov edi, dword [ebp + 0x1c4]
test edi, edi
je 0x40447d
mov eax, dword [ebp + 0x1c0]
test eax, eax
mov ebx, dword [0x439500]
je 0x40445e
mov dword [0x439500], eax
mov ecx, dword [ebp + 0x1c4]
push 0x10
push ecx
call fcn.00407080
mov dword [ebp + 0x1e8], eax
add esp, 8
mov dword [0x439500], ebx
jmp 0x4044d2
mov eax, dword [ebp + 0x1ec]
test eax, eax
je 0x4044c6
push eax
lea edx, [esp + 0x24]
push 0x423c54
push edx
lea edi, [esp + 0x2c]
call fcn.00412c0d
xor eax, eax
mov al, byte [ebp + 0x1ec]
push 0x10
push eax
call fcn.00406c30
add esp, 0x14
test eax, eax
mov dword [ebp + 0x1e8], eax
jne 0x4044d2
mov ecx, dword [0x424f08]
mov dword [ebp + 0x1e8], ecx
jmp 0x4044d2
mov edx, dword [0x424f08]
mov dword [ebp + 0x1e8], edx
mov eax, dword [ebp + 0x1e8]
test eax, eax
jne 0x404553
mov eax, dword [ebp + 0x1c0]
test eax, eax
mov dword [ebp + 0xe4], 0x7e3
je 0x404512
test edi, edi
jne 0x4044f9
mov edi, 0x423c4c
push eax
mov eax, dword [0x4244d4]
push edi
push eax
lea ecx, [ebp + 0x1c]
push ecx
call fcn.00412c0d
add esp, 0x10
jmp 0x404885
lea edx, [esp + 0xe4]
push edx
call fcn.00406710
add esp, 4
test edi, edi
jne 0x40452b
mov edi, 0x423c4c
mov ecx, dword [ebp + 0xe4]
mov edx, dword [ecx*4 + 0x422548]
lea eax, [esp + 0xe4]
push eax
push edi
push edx
lea eax, [ebp + 0x1c]
push eax
call fcn.00412c0d
add esp, 0x10
jmp 0x404885
mov ecx, dword [esp + 0x2f0]
test ecx, ecx
mov eax, 0x4394b8
jne 0x40456a
mov dword [esp + 0x2f0], eax
mov ecx, dword [esp + 0x2f4]
test ecx, ecx
jne 0x40457c
mov dword [esp + 0x2f4], eax
mov eax, dword [esp + 0x300]
test eax, eax
je 0x404594
mov edi, eax
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
jmp 0x404599
mov ecx, 1
sub esi, dword [ebp + 0x18]
push 0
push esi
mov esi, dword [esp + 0x2f4]
lea eax, [ebp + 0x124]
push eax
push ecx
or ecx, 0xffffffff
lea edi, [ebp + 0x120]
push edi
xor eax, eax
mov edi, esi
repne scasb al, byte es:[edi]
not ecx
push ecx
or ecx, 0xffffffff
lea edi, [esp + 0x48]
repne scasb al, byte es:[edi]
lea ebx, [ebp + 0x114]
push ebx
not ecx
push ecx
lea edx, [ebp + 0x128]
push edx
push eax
call fcn.00409f20
add esp, 0x28
test eax, eax
je 0x404839
mov ecx, dword [esp + 0x2f0]
push 0
push ecx
call fcn.004074e0
add esp, 8
test eax, eax
mov dword [ebp + 0x118], eax
je 0x404839
mov edx, dword [esp + 0x2f4]
push 0
push edx
call fcn.004074e0
add esp, 8
test eax, eax
mov dword [ebp + 0x11c], eax
je 0x404839
mov ecx, dword [ebp + 0x128]
lea eax, [esp + 0x30]
push eax
push ecx
call fcn.00407cd0
mov edx, dword [ebx]
push esi
push edx
call fcn.00407cd0
mov eax, dword [esp + 0x310]
add esp, 0x10
test eax, eax
je 0x404666
push eax
mov eax, dword [ebp + 0x120]
push eax
call fcn.00407cd0
add esp, 8
jmp 0x404670
mov dword [ebp + 0x120], 0
mov ecx, dword [ebp + 0x18]
mov edx, dword [ebp + 0x124]
inc ecx
push ecx
push edx
call fcn.00407cd0
mov ecx, dword [ebp + 0x194]
mov ebx, dword [esp + 0x30c]
mov edi, dword [esp + 0x300]
mov eax, dword [esp + 0x304]
or ecx, 0x2005
add esp, 8
or ebx, ecx
test edi, edi
mov dword [ebp + 0x134], eax
je 0x4046b4
or ebx, 8
test byte [ebp + 0x13c], 0x20
je 0x4046d1
mov al, byte [ebp + 0x198]
test al, al
jne 0x4046cc
test bl, 0x20
je 0x4046d1
or ebx, 0x20
jmp 0x4046d4
and ebx, 0xffffffdf
mov dword [ebp + 0x138], ebx
mov eax, dword [0x424848]
mov dl, byte [0x42484a]
mov byte [esp + 0x32], al
shr eax, 8
mov byte [esp + 0x33], al
mov eax, dword [esp + 0x2f0]
test eax, eax
mov word [esp + 0x30], bx
mov byte [esp + 0x34], dl
je 0x40471b
cmp byte [eax], 0
je 0x40471b
push 0x20
push eax
lea eax, [esp + 0x3d]
push eax
call fcn.004091e0
add esp, 0xc
jmp 0x404728
lea ecx, [esp + 0x35]
push ecx
call fcn.004048e0
add esp, 4
cmp dword [ebp + 0x140], 9
mov eax, dword [esp + 0x2f4]
sete dl
lea ecx, [esp + 0x35]
push edx
push eax
lea eax, [ebp + 0x1dc]
push eax
push ecx
call fcn.004093f0
add esp, 4
inc eax
push eax
call fcn.00407840
add esp, 0x10
test edi, edi
mov esi, eax
je 0x404790
test byte [ebp + 0x13c], 8
je 0x404790
push 0x40
push edi
inc esi
push esi
call fcn.004091e0
push 0x10
push edi
mov esi, eax
call fcn.004074e0
add esp, 0x14
mov dword [ebp + 0x130], eax
mov dword [esp + 0x2f8], 0
lea edx, [esp + 0x30]
sub esi, edx
push esi
lea eax, [esp + 0x34]
push eax
push ebp
call fcn.004095e0
add esp, 0xc
test eax, eax
jne 0x404885
push ebp
call fcn.004095b0
add esp, 4
test eax, eax
jne 0x404885
push ebp
call fcn.00403b00
add esp, 4
cmp eax, 0xffffffff
je 0x404885
test bl, 0x20
je 0x4047dc
mov byte [ebp + 0xf6], 1
mov eax, dword [esp + 0x2f8]
test eax, eax
je 0x4047f6
push eax
push ebp
call fcn.00404d40
test eax, eax
jne 0x404885
mov eax, dword [ebp + 0x1a4]
test eax, eax
je 0x40482a
mov bl, byte [ebp + 0x18d]
push eax
push ebp
mov byte [ebp + 0x18d], 0
call fcn.00404ec0
test eax, eax
jne 0x404885
push ebp
call fcn.00405890
push eax
call fcn.00403dc0
mov byte [ebp + 0x18d], bl
pop edi
pop esi
mov eax, ebp
pop ebp
pop ebx
add esp, 0x2d4
ret 0x20
mov dword [ebp + 0xe4], 0x7d8
mov ecx, dword [0x4244a8]
push ecx
lea edx, [ebp + 0x1c]
push edx
call fcn.00407cd0
add esp, 8
jmp 0x404885
mov eax, dword [ebp]
push eax
call fcn.00409d30
mov dword [ebp], 0
mov dword [ebp + 0xe4], 0x7d8
mov ecx, dword [0x4244a8]
push ecx
lea edx, [ebp + 0x1c]
push edx
call fcn.00407cd0
add esp, 0xc
mov bl, byte [ebp + 0x18c]
push ebp
call fcn.00403d40
add esp, 4
push ebp
mov byte [ebp + 0x18c], 0
call fcn.00404d90
pop edi
pop esi
mov byte [ebp + 0x18c], bl
pop ebp
xor eax, eax
pop ebx
add esp, 0x2d4
ret 0x20