Function at 0x438a50
Capabilities:
Convert ip address from string
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x628
mov eax, dword [0x46c380]
xor eax, esp
mov dword [esp + 0x624], eax
push ebx
push ebp
mov ebp, dword [esp + 0x634]
push esi
push edi
mov edi, dword [esp + 0x640]
mov eax, dword [ebp + 0x18]
mov dword [esp + 0x10], eax
add eax, 0x380
push 0x2e
mov dword [esp + 0x30], eax
lea eax, [esp + 0xc1]
push 0
push eax
mov dword [esp + 0x44], ebp
mov dword [esp + 0x2c], 0xffffffff
mov byte [esp + 0xc8], 0
call sub.VCRUNTIME140.dll_memset
mov esi, dword [ebp + 0x524]
xor eax, eax
add esp, 0xc
mov dword [esp + 0x30], eax
mov dword [esp + 0x34], eax
mov dword [esp + 0x28], eax
mov dword [esp + 0x24], eax
mov byte [esp + 0x17], 1
mov dword [esp + 0x18], eax
test esi, esi
je 0x438cd6
mov ecx, esi
lea edx, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x438ae0
sub ecx, edx
cmp ecx, 1
jbe 0x438cd6
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x438af7
sub ecx, edx
cmp ecx, 0x41
jae 0x438b0c
mov ecx, 0x41
jmp 0x438b1a
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x438b11
sub ecx, edx
lea eax, [ecx + 1]
push 1
push eax
call dword [0x46c010]
add esp, 8
mov dword [esp + 0x18], eax
test eax, eax
jne 0x438b3d
mov ebx, dword [esp + 0x10]
lea esi, [eax + 0x1b]
jmp 0x439190
mov al, byte [esi]
cmp al, 0x5b
jne 0x438b61
push 0x5d
push esi
call sub.VCRUNTIME140.dll_strchr
mov ebx, eax
add esp, 8
test ebx, ebx
je 0x438c24
lea ecx, [esi + 1]
sub eax, ecx
push eax
push ecx
jmp 0x438baf
cmp al, 0x3a
jne 0x438b69
mov ebx, esi
jmp 0x438bbb
push 0x3a
push esi
call sub.VCRUNTIME140.dll_strchr
mov ebx, eax
add esp, 8
test ebx, ebx
je 0x438c11
lea eax, [esp + 0x3c]
push eax
push esi
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
cmp eax, 1
jne 0x438ba9
mov ecx, dword [esp + 0x18]
sub ecx, esi
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [esi + ecx - 1], al
test al, al
jne 0x438b97
jmp 0x438c24
mov eax, ebx
sub eax, esi
push eax
push esi
push dword [esp + 0x20]
call sub.api_ms_win_crt_string_l1_1_0.dll_strncpy
add esp, 0xc
push 0x3a
push ebx
call sub.VCRUNTIME140.dll_strchr
mov ebx, eax
add esp, 8
xor esi, esi
xor edx, edx
test ebx, ebx
je 0x438c28
push 0xa
push edx
lea eax, [ebx + 1]
push eax
call sub.api_ms_win_crt_convert_l1_1_0.dll_strtoul
push eax
call fcn.00418970
push 0x2d
push ebx
movzx esi, ax
call sub.VCRUNTIME140.dll_strchr
add esp, 0x18
test eax, eax
je 0x438c0d
push 0xa
inc eax
push 0
push eax
call sub.api_ms_win_crt_convert_l1_1_0.dll_strtoul
push eax
call fcn.00418970
add esp, 0x10
movzx edx, ax
jmp 0x438c28
mov edx, esi
jmp 0x438c28
mov ecx, dword [esp + 0x18]
sub ecx, esi
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [esi + ecx - 1], al
test al, al
jne 0x438c17
xor esi, esi
xor edx, edx
xor ecx, ecx
movzx eax, dx
cmp si, dx
cmovbe ecx, eax
movzx eax, si
movzx ebx, cx
xor ecx, ecx
cmp si, dx
cmovbe ecx, eax
mov eax, dword [esp + 0x18]
movzx esi, cx
cmp byte [eax], 0
je 0x438cca
push 0x401
lea ecx, [esp + 0x234]
push ecx
push eax
mov eax, dword [esp + 0x1c]
push dword [eax + 0x44c]
mov eax, dword [eax + 0x44]
add eax, 0x10
push eax
call fcn.00450820
add esp, 4
push eax
mov eax, dword [esp + 0x24]
mov eax, dword [eax + 0x44]
push dword [eax]
call fcn.0040c530
add esp, 0x18
sub eax, 0
je 0x438caa
sub eax, 1
je 0x439187
sub eax, 1
jne 0x438cb4
lea eax, [esp + 0x230]
mov dword [esp + 0x30], eax
jmp 0x438cb6
mov eax, dword [esp + 0x18]
mov dword [esp + 0x30], eax
jmp 0x438cb6
xor eax, eax
mov dword [esp + 0x28], esi
mov esi, ebx
mov dword [esp + 0x24], esi
test eax, eax
jne 0x438d76
jmp 0x438cd6
mov eax, esi
mov dword [esp + 0x28], eax
mov eax, ebx
mov dword [esp + 0x24], eax
mov ebx, dword [esp + 0x10]
lea eax, [esp + 0x1c]
push eax
lea eax, [esp + 0x40]
mov dword [esp + 0x20], 0x80
push eax
push dword [ebx + 0x128]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x438d29
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004026d0
push eax
push str.getsockname___failed:__s
push ebp
call fcn.00416de0
add esp, 0x18
jmp 0x43918b
mov ax, word [esp + 0x3c]
cmp ax, 0x17
je 0x438d3d
lea ecx, [esp + 0x40]
movzx eax, ax
jmp 0x438d46
lea ecx, [esp + 0x44]
mov eax, 0x17
push 0x401
lea edx, [esp + 0x234]
movzx eax, ax
push edx
push ecx
push eax
call sub.WS2_32.dll_inet_ntop
test eax, eax
je 0x43918b
lea eax, [esp + 0x230]
xor cl, cl
mov dword [esp + 0x30], eax
mov byte [esp + 0x17], cl
lea ecx, [esp + 0x34]
push ecx
push 0
push 0
push eax
push ebp
call fcn.00420080
add esp, 0x14
cmp eax, 1
jne 0x438d9c
lea eax, [esp + 0x34]
push eax
push ebp
call fcn.0040c720
add esp, 8
mov eax, dword [esp + 0x34]
test eax, eax
je 0x439174
mov ebx, dword [eax]
push eax
push ebp
call fcn.00420600
add esp, 8
test ebx, ebx
je 0x439174
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
lea eax, [esp + 0x20]
push eax
mov eax, dword [esp + 0x14]
movzx eax, byte [eax + 0x457]
push eax
push 0
push ebx
push ebp
call fcn.004429f0
add esp, 0x14
test eax, eax
je 0x438e13
call esi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x438dc2
push 0x100
lea ecx, [esp + 0x134]
push ecx
push eax
call fcn.004026d0
push eax
push str.socket_failure:__s
push ebp
call fcn.00416de0
add esp, 0x18
jmp 0x439187
push dword [ebx + 0x10]
lea eax, [esp + 0x40]
push dword [ebx + 0x18]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x10]
add esp, 0xc
mov dword [esp + 0x1c], eax
mov eax, dword [esp + 0x28]
movzx esi, ax
cmp ax, word [esp + 0x24]
ja 0x439164
mov eax, dword [sym.imp.WS2_32.dll_htons]
push esi
call eax
push dword [esp + 0x1c]
mov word [esp + 0x42], ax
lea eax, [esp + 0x40]
push eax
push dword [esp + 0x28]
call dword [sym.imp.WS2_32.dll_bind]
test eax, eax
je 0x438f28
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov cl, byte [esp + 0x17]
test cl, cl
je 0x438ee2
cmp eax, 0x2741
jne 0x438ee2
push 0x100
lea eax, [esp + 0x134]
push eax
push 0x2741
call fcn.004026d0
push eax
movzx eax, si
push eax
push str.bind_port_hu__on_non_local_address_failed:__s
push ebp
call fcn.00416eb0
add esp, 0x1c
mov dword [esp + 0x1c], 0x80
lea eax, [esp + 0x1c]
push eax
lea eax, [esp + 0x40]
push eax
mov eax, dword [esp + 0x18]
push dword [eax + 0x128]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x438f53
mov eax, dword [esp + 0x28]
xor cl, cl
movzx esi, ax
mov byte [esp + 0x17], cl
jmp 0x438e3f
cmp eax, 0x2740
je 0x438eee
cmp eax, 0xd
jne 0x438efd
inc esi
mov byte [esp + 0x17], cl
movzx eax, si
mov esi, eax
jmp 0x438e34
push 0x100
lea ecx, [esp + 0x134]
push ecx
push eax
call fcn.004026d0
push eax
movzx eax, si
push eax
push str.bind_port_hu__failed:__s
push ebp
call fcn.00416de0
add esp, 0x1c
jmp 0x439187
cmp si, word [esp + 0x24]
ja 0x439164
lea eax, [esp + 0x1c]
mov dword [esp + 0x1c], 0x80
push eax
lea eax, [esp + 0x40]
push eax
push dword [esp + 0x28]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x438f80
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004026d0
push eax
push str.getsockname___failed:__s
push ebp
call fcn.00416de0
add esp, 0x18
jmp 0x439187
push 1
push dword [esp + 0x24]
call dword [sym.imp.WS2_32.dll_listen]
test eax, eax
je 0x438fa8
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
jmp 0x438df9
push 0x2f
lea eax, [esp + 0xc0]
push eax
push ebx
call fcn.00420030
mov eax, dword [esp + 0x1c]
add esp, 0xc
cmp byte [eax + 0x1da], 0
jne 0x438fd8
cmp byte [eax + 0x1d4], 0
je 0x438fd8
mov byte [eax + 0x1da], 1
cmp edi, 2
je 0x43903a
mov esi, dword [sym.imp.WS2_32.dll_ntohs]
mov cx, word [esp + 0x3c]
nop dword [eax + eax]
cmp byte [eax + 0x1da], 0
jne 0x438ffd
test edi, edi
je 0x439034
cmp edi, 1
jne 0x439008
cmp cx, 2
jne 0x439034
movzx eax, cx
sub eax, 2
je 0x439015
sub eax, 0x15
jne 0x439030
push dword [esp + 0x3e]
call esi
movzx ebx, ax
test edi, edi
je 0x43910e
cmp edi, 1
je 0x43907a
mov cx, word [esp + 0x3c]
mov eax, dword [esp + 0x10]
inc edi
cmp edi, 2
jne 0x438ff0
mov ebx, dword [esp + 0x2c]
lea eax, [esp + 0x20]
mov dword [ebx + 0x90], edi
mov ebx, dword [esp + 0x10]
push eax
push 1
push ebx
push ebp
call fcn.004427c0
mov esi, eax
add esp, 0x10
test esi, esi
jne 0x439190
mov eax, dword [ebp + 0x18]
mov dword [esp + 0x20], 0xffffffff
mov byte [eax + 0x41e], 0x1c
jmp 0x43919a
lea edx, [esp + 0xec]
mov ebp, 0x2c
lea esi, [esp + 0xbc]
nop dword [eax]
mov cl, byte [esi]
test cl, cl
je 0x4390a7
cmp cl, 0x2e
movzx eax, cl
cmove eax, ebp
mov byte [edx], al
inc edx
add esi, 1
jne 0x439090
movzx ecx, bx
movzx eax, cl
push eax
shr ecx, 8
push ecx
push str.__d__d
push 0x14
push edx
mov byte [edx], 0
call fcn.0041aa30
mov ebx, dword [esp + 0x40]
lea eax, [esp + 0x100]
mov ebp, dword [esp + 0x4c]
push eax
push str.PORT
push 0x461408
push ebx
push ebp
call fcn.0044f230
mov esi, eax
add esp, 0x28
test esi, esi
je 0x43903e
push esi
call fcn.00402840
push eax
push str.Failure_sending_PORT_command:__s
push ebp
call fcn.00416de0
mov ebx, dword [esp + 0x20]
add esp, 0x10
jmp 0x439190
movzx eax, bx
mov ebx, dword [esp + 0x2c]
push eax
lea eax, [esp + 0xc0]
push eax
xor eax, eax
cmp word [esp + 0x44], 2
setne al
inc eax
push eax
push str.EPRT
push str._s__d_s_hu
push ebx
push ebp
call fcn.0044f230
mov esi, eax
add esp, 0x1c
test esi, esi
je 0x43903e
push esi
call fcn.00402840
push eax
push str.Failure_sending_EPRT_command:__s
push ebp
call fcn.00416de0
mov ebx, dword [esp + 0x20]
add esp, 0x10
jmp 0x439190
push str.bind___failed__we_ran_out_of_ports
push ebp
call fcn.00416de0
add esp, 8
jmp 0x439187
mov eax, dword [esp + 0x30]
push eax
push str.failed_to_resolve_the_address_provided_to_PORT:__s
push ebp
call fcn.00416de0
add esp, 0xc
mov ebx, dword [esp + 0x10]
mov esi, 0x1e
mov eax, dword [ebp + 0x18]
mov byte [eax + 0x41e], 0
mov eax, dword [esp + 0x20]
cmp eax, 0xffffffff
je 0x4391ae
push eax
push ebx
push ebp
call fcn.004429c0
add esp, 0xc
push dword [esp + 0x18]
call dword [0x46c004]
mov ecx, dword [esp + 0x638]
add esp, 4
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00457062
add esp, 0x628
ret