Function at 0x4bd290
Capabilities:
Convert ip address from string
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x628
mov eax, dword [0x599680]
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, 0x398
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 fcn.0050c560
mov esi, dword [ebp + 0x514]
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 0x4bd516
mov ecx, esi
lea edx, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bd320
sub ecx, edx
cmp ecx, 1
jbe 0x4bd516
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bd337
sub ecx, edx
cmp ecx, 0x41
jae 0x4bd34c
mov ecx, 0x41
jmp 0x4bd35a
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bd351
sub ecx, edx
lea eax, [ecx + 1]
push eax
push 1
call dword [0x5991f0]
add esp, 8
mov dword [esp + 0x18], eax
test eax, eax
jne 0x4bd37d
mov ebx, dword [esp + 0x10]
lea esi, [eax + 0x1b]
jmp 0x4bd9d0
mov al, byte [esi]
cmp al, 0x5b
jne 0x4bd3a1
push 0x5d
push esi
call fcn.0050ccf0
mov ebx, eax
add esp, 8
test ebx, ebx
je 0x4bd464
lea ecx, [esi + 1]
sub eax, ecx
push eax
push ecx
jmp 0x4bd3ef
cmp al, 0x3a
jne 0x4bd3a9
mov ebx, esi
jmp 0x4bd3fb
push 0x3a
push esi
call fcn.0050ccf0
mov ebx, eax
add esp, 8
test ebx, ebx
je 0x4bd451
lea eax, [esp + 0x44]
push eax
push esi
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
cmp eax, 1
jne 0x4bd3e9
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 0x4bd3d7
jmp 0x4bd464
mov eax, ebx
sub eax, esi
push eax
push esi
push dword [esp + 0x20]
call fcn.005277f0
add esp, 0xc
push 0x3a
push ebx
call fcn.0050ccf0
mov ebx, eax
add esp, 8
xor esi, esi
xor edx, edx
test ebx, ebx
je 0x4bd468
push 0xa
push edx
lea eax, [ebx + 1]
push eax
call fcn.00523a48
push eax
call fcn.004aad90
push 0x2d
push ebx
movzx esi, ax
call fcn.0050ccf0
add esp, 0x18
test eax, eax
je 0x4bd44d
push 0xa
inc eax
push 0
push eax
call fcn.00523a48
push eax
call fcn.004aad90
add esp, 0x10
movzx edx, ax
jmp 0x4bd468
mov edx, esi
jmp 0x4bd468
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 0x4bd457
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 0x4bd50a
push 0x401
lea ecx, [esp + 0x234]
push ecx
push eax
mov eax, dword [esp + 0x1c]
push dword [eax + 0x464]
mov eax, dword [eax + 0x60]
add eax, 0x10
push eax
call fcn.004e5680
add esp, 4
push eax
mov eax, dword [esp + 0x24]
mov eax, dword [eax + 0x60]
push dword [eax]
call fcn.0040b1e0
add esp, 0x18
sub eax, 0
je 0x4bd4ea
sub eax, 1
je 0x4bd9c7
sub eax, 1
jne 0x4bd4f4
lea eax, [esp + 0x230]
mov dword [esp + 0x30], eax
jmp 0x4bd4f6
mov eax, dword [esp + 0x18]
mov dword [esp + 0x30], eax
jmp 0x4bd4f6
xor eax, eax
mov dword [esp + 0x28], esi
mov esi, ebx
mov dword [esp + 0x24], esi
test eax, eax
jne 0x4bd5b6
jmp 0x4bd516
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 + 0x140]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4bd569
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004ad560
push eax
push str.getsockname___failed:__s
push ebp
call fcn.004b0a00
add esp, 0x18
jmp 0x4bd9cb
mov ax, word [esp + 0x3c]
cmp ax, 0x17
je 0x4bd57d
lea ecx, [esp + 0x40]
movzx eax, ax
jmp 0x4bd586
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 0x4bd9cb
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.004afe30
add esp, 0x14
cmp eax, 1
jne 0x4bd5dc
lea eax, [esp + 0x34]
push eax
push ebp
call fcn.004ce5c0
add esp, 8
mov eax, dword [esp + 0x34]
test eax, eax
je 0x4bd9b4
mov ebx, dword [eax]
push eax
push ebp
call fcn.004b03d0
add esp, 8
test ebx, ebx
je 0x4bd9b4
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
lea eax, [esp + 0x20]
push eax
mov eax, dword [esp + 0x14]
movzx eax, byte [eax + 0x46f]
push eax
push 0
push ebx
push ebp
call fcn.004e28d0
add esp, 0x14
test eax, eax
je 0x4bd653
call esi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x4bd602
push 0x100
lea ecx, [esp + 0x134]
push ecx
push eax
call fcn.004ad560
push eax
push str.socket_failure:__s
push ebp
call fcn.004b0a00
add esp, 0x18
jmp 0x4bd9c7
push dword [ebx + 0x10]
lea eax, [esp + 0x40]
push dword [ebx + 0x18]
push eax
call fcn.0050bfe0
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 0x4bd9a4
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 0x4bd768
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov cl, byte [esp + 0x17]
test cl, cl
je 0x4bd722
cmp eax, 0x2741
jne 0x4bd722
push 0x100
lea eax, [esp + 0x134]
push eax
push 0x2741
call fcn.004ad560
push eax
movzx eax, si
push eax
push str.bind_port_hu__on_non_local_address_failed:__s
push ebp
call fcn.004b0ad0
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 + 0x140]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4bd793
mov eax, dword [esp + 0x28]
xor cl, cl
movzx esi, ax
mov byte [esp + 0x17], cl
jmp 0x4bd67f
cmp eax, 0x2740
je 0x4bd72e
cmp eax, 0xd
jne 0x4bd73d
inc esi
mov byte [esp + 0x17], cl
movzx eax, si
mov esi, eax
jmp 0x4bd674
push 0x100
lea ecx, [esp + 0x134]
push ecx
push eax
call fcn.004ad560
push eax
movzx eax, si
push eax
push str.bind_port_hu__failed:__s
push ebp
call fcn.004b0a00
add esp, 0x1c
jmp 0x4bd9c7
cmp si, word [esp + 0x24]
ja 0x4bd9a4
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 0x4bd7c0
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004ad560
push eax
push str.getsockname___failed:__s
push ebp
call fcn.004b0a00
add esp, 0x18
jmp 0x4bd9c7
push 1
push dword [esp + 0x24]
call dword [sym.imp.WS2_32.dll_listen]
test eax, eax
je 0x4bd7e8
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
jmp 0x4bd639
push 0x2f
lea eax, [esp + 0xc0]
push eax
push ebx
call fcn.004afde0
mov eax, dword [esp + 0x1c]
add esp, 0xc
cmp byte [eax + 0x1f2], 0
jne 0x4bd818
cmp byte [eax + 0x1ec], 0
je 0x4bd818
mov byte [eax + 0x1f2], 1
cmp edi, 2
je 0x4bd87a
mov esi, dword [sym.imp.WS2_32.dll_ntohs]
mov cx, word [esp + 0x3c]
nop dword [eax + eax]
cmp byte [eax + 0x1f2], 0
jne 0x4bd83d
test edi, edi
je 0x4bd874
cmp edi, 1
jne 0x4bd848
cmp cx, 2
jne 0x4bd874
movzx eax, cx
sub eax, 2
je 0x4bd855
sub eax, 0x15
jne 0x4bd870
push dword [esp + 0x3e]
call esi
movzx ebx, ax
test edi, edi
je 0x4bd94e
cmp edi, 1
je 0x4bd8ba
mov cx, word [esp + 0x3c]
mov eax, dword [esp + 0x10]
inc edi
cmp edi, 2
jne 0x4bd830
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.004e2680
mov esi, eax
add esp, 0x10
test esi, esi
jne 0x4bd9d0
mov eax, dword [ebp + 0x18]
mov dword [esp + 0x20], 0xffffffff
mov byte [eax + 0x436], 0x1c
jmp 0x4bd9da
lea edx, [esp + 0xec]
mov ebp, 0x2c
lea esi, [esp + 0xbc]
nop dword [eax]
mov cl, byte [esi]
test cl, cl
je 0x4bd8e7
cmp cl, 0x2e
movzx eax, cl
cmove eax, ebp
mov byte [edx], al
inc edx
add esi, 1
jne 0x4bd8d0
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.004ae150
mov ebx, dword [esp + 0x40]
lea eax, [esp + 0x100]
mov ebp, dword [esp + 0x4c]
push eax
push str.PORT
push 0x563924
push ebx
push ebp
call fcn.004e4070
mov esi, eax
add esp, 0x28
test esi, esi
je 0x4bd87e
push esi
call fcn.004ad6d0
push eax
push str.Failure_sending_PORT_command:__s
push ebp
call fcn.004b0a00
mov ebx, dword [esp + 0x20]
add esp, 0x10
jmp 0x4bd9d0
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.004e4070
mov esi, eax
add esp, 0x1c
test esi, esi
je 0x4bd87e
push esi
call fcn.004ad6d0
push eax
push str.Failure_sending_EPRT_command:__s
push ebp
call fcn.004b0a00
mov ebx, dword [esp + 0x20]
add esp, 0x10
jmp 0x4bd9d0
push str.bind___failed__we_ran_out_of_ports
push ebp
call fcn.004b0a00
add esp, 8
jmp 0x4bd9c7
mov eax, dword [esp + 0x30]
push eax
push str.failed_to_resolve_the_address_provided_to_PORT:__s
push ebp
call fcn.004b0a00
add esp, 0xc
mov ebx, dword [esp + 0x10]
mov esi, 0x1e
mov eax, dword [ebp + 0x18]
mov byte [eax + 0x436], 0
mov eax, dword [esp + 0x20]
cmp eax, 0xffffffff
je 0x4bd9ee
push eax
push ebx
push ebp
call fcn.004e28a0
add esp, 0xc
push dword [esp + 0x18]
call dword [0x5991e4]
mov ecx, dword [esp + 0x638]
add esp, 4
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00509f60
add esp, 0x628
ret