Function at 0x43e5d0
Capabilities:
Convert ip address from string
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x660
mov eax, dword [0x476400]
xor eax, esp
mov dword [esp + 0x65c], eax
push ebx
mov ebx, dword [esp + 0x66c]
push ebp
push esi
push edi
mov edi, dword [esp + 0x674]
push 0x2e
push 0
mov dword [esp + 0x44], edi
mov eax, dword [edi + 0x18]
mov dword [esp + 0x2c], eax
add eax, 0x3f0
mov dword [esp + 0x38], eax
lea eax, [esp + 0xc9]
push eax
mov dword [esp + 0x20], 0x1e
mov dword [esp + 0x2c], 0xffffffff
mov byte [esp + 0xcc], 0
call sub.VCRUNTIME140.dll_memset
mov ecx, dword [edi + 0x55c]
add esp, 0xc
xor ebp, ebp
mov dword [esp + 0x28], ecx
mov dword [esp + 0x38], 0
mov dword [esp + 0x2c], 0
mov dword [esp + 0x18], 0
mov byte [esp + 0x13], 1
mov dword [esp + 0x34], 0
test ecx, ecx
je 0x43e84a
mov edx, ecx
lea esi, [edx + 1]
mov al, byte [edx]
inc edx
test al, al
jne 0x43e674
sub edx, esi
cmp edx, 1
jbe 0x43e84a
mov al, byte [ecx]
cmp al, 0x5b
jne 0x43e6b7
lea ebp, [ecx + 1]
mov esi, ebp
push 0x5d
push esi
call sub.VCRUNTIME140.dll_strchr
mov ecx, eax
add esp, 8
xor eax, eax
test ecx, ecx
cmove ebp, eax
mov eax, ecx
mov dword [esp + 0x34], ebp
sub eax, esi
mov ebp, ecx
neg ebp
sbb ebp, ebp
and ebp, eax
jmp 0x43e6ef
cmp al, 0x3a
je 0x43e6f7
push 0x3a
push ecx
call sub.VCRUNTIME140.dll_strchr
mov esi, eax
add esp, 8
mov eax, dword [esp + 0x28]
mov ebp, esi
mov dword [esp + 0x34], eax
test ebp, ebp
je 0x43e750
lea ecx, [esp + 0x48]
sub ebp, eax
push ecx
push eax
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
lea ecx, [eax - 1]
neg ecx
sbb ecx, ecx
and ecx, esi
xor esi, esi
xor edx, edx
test ecx, ecx
je 0x43e763
push 0x3a
push ecx
call sub.VCRUNTIME140.dll_strchr
add esp, 8
mov dword [esp + 0x28], eax
xor esi, esi
xor edx, edx
test eax, eax
je 0x43e763
push 0xa
push edx
inc eax
push eax
call sub.api_ms_win_crt_convert_l1_1_0.dll_strtoul
push eax
call fcn.0041dbe0
push 0x2d
push dword [esp + 0x3c]
movzx esi, ax
call sub.VCRUNTIME140.dll_strchr
add esp, 0x18
test eax, eax
je 0x43e74c
push 0xa
inc eax
push 0
push eax
call sub.api_ms_win_crt_convert_l1_1_0.dll_strtoul
push eax
call fcn.0041dbe0
add esp, 0x10
movzx edx, ax
jmp 0x43e763
mov edx, esi
jmp 0x43e763
mov ebp, eax
lea ecx, [ebp + 1]
mov al, byte [ebp]
inc ebp
test al, al
jne 0x43e755
sub ebp, ecx
xor esi, esi
xor edx, edx
xor ecx, ecx
movzx eax, dx
cmp si, dx
cmovbe ecx, eax
movzx eax, cx
xor ecx, ecx
mov dword [esp + 0x18], eax
cmp si, dx
movzx eax, si
cmovbe ecx, eax
movzx eax, cx
mov dword [esp + 0x28], eax
test ebp, ebp
je 0x43e838
cmp ebp, 0x32
jae 0x43eda4
push ebp
push dword [esp + 0x38]
lea eax, [esp + 0xf8]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov esi, dword [esp + 0x30]
lea eax, [esp + 0x274]
add esp, 0xc
mov byte [esp + ebp + 0xf0], 0
push 0x401
push eax
lea eax, [esp + 0xf8]
push eax
mov eax, dword [esi + 0x24]
push dword [esi + 0x4c8]
add eax, 0x10
push eax
call fcn.004591e0
add esp, 4
push eax
mov eax, dword [esi + 0x24]
push dword [eax]
call fcn.0040ebf0
add esp, 0x18
sub eax, 0
je 0x43e80d
sub eax, 1
je 0x43eda4
sub eax, 1
jne 0x43e816
lea esi, [esp + 0x268]
jmp 0x43e818
lea esi, [esp + 0xf0]
jmp 0x43e818
xor esi, esi
mov eax, dword [esp + 0x28]
movzx ebp, ax
mov eax, dword [esp + 0x18]
mov dword [esp + 0x2c], ebp
movzx ebp, ax
mov dword [esp + 0x18], ebp
test esi, esi
jne 0x43e8e6
jmp 0x43e84a
movzx ecx, ax
mov eax, dword [esp + 0x18]
movzx eax, ax
mov dword [esp + 0x2c], ecx
mov dword [esp + 0x18], eax
lea eax, [esp + 0x1c]
mov dword [esp + 0x1c], 0x80
push eax
lea eax, [esp + 0x44]
push eax
mov eax, dword [esp + 0x2c]
push dword [eax + 0x1a0]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x43e89d
push 0x100
lea eax, [esp + 0x16c]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004052f0
push eax
push str.getsockname___failed:__s
push edi
call fcn.0041a8c0
add esp, 0x18
jmp 0x43eda4
mov ax, word [esp + 0x40]
cmp ax, 0x17
je 0x43e8b1
lea ecx, [esp + 0x44]
movzx eax, ax
jmp 0x43e8ba
lea ecx, [esp + 0x48]
mov eax, 0x17
push 0x401
lea edx, [esp + 0x26c]
movzx eax, ax
push edx
push ecx
push eax
call sub.WS2_32.dll_inet_ntop
test eax, eax
je 0x43eda4
xor al, al
lea esi, [esp + 0x268]
mov byte [esp + 0x13], al
lea eax, [esp + 0x38]
push eax
push 0
push 0
push esi
push edi
call fcn.00424be0
add esp, 0x14
cmp eax, 1
jne 0x43e90c
lea eax, [esp + 0x38]
push eax
push edi
call fcn.0040ee30
add esp, 8
mov eax, dword [esp + 0x38]
test eax, eax
je 0x43ed95
mov ebp, dword [eax]
push eax
push edi
call fcn.00425170
add esp, 8
test ebp, ebp
je 0x43ed95
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
lea eax, [esp + 0x20]
push eax
mov eax, dword [esp + 0x28]
movzx eax, byte [eax + 0x4d2]
push eax
push 0
push ebp
push edi
call fcn.0044d7f0
add esp, 0x14
test eax, eax
je 0x43e983
call esi
mov ebp, dword [ebp + 0x1c]
test ebp, ebp
jne 0x43e932
push 0x100
lea ecx, [esp + 0x16c]
push ecx
push eax
call fcn.004052f0
push eax
push str.socket_failure:__s
push edi
call fcn.0041a8c0
add esp, 0x18
jmp 0x43eda4
mov eax, dword [edi + 0x18]
test eax, eax
je 0x43e99a
movzx eax, byte [eax + 0x49e]
mov eax, dword [eax*4 + 0x469590]
jmp 0x43e99f
mov eax, 0x469814
push eax
push str.__s__ftp_state_use_port____opened_socket
push edi
call fcn.0041ab00
push dword [ebp + 0x10]
lea eax, [esp + 0x50]
push dword [ebp + 0x18]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebp + 0x10]
add esp, 0x18
mov dword [esp + 0x1c], eax
mov eax, dword [esp + 0x2c]
movzx esi, ax
cmp ax, word [esp + 0x18]
ja 0x43ed85
mov eax, dword [sym.imp.WS2_32.dll_htons]
push esi
call eax
push dword [esp + 0x1c]
mov word [esp + 0x46], ax
lea eax, [esp + 0x44]
push eax
push dword [esp + 0x28]
call dword [sym.imp.WS2_32.dll_bind]
test eax, eax
je 0x43eac0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov cl, byte [esp + 0x13]
test cl, cl
je 0x43ea7a
cmp eax, 0x2741
jne 0x43ea7a
push 0x100
lea eax, [esp + 0x16c]
push eax
push 0x2741
call fcn.004052f0
push eax
movzx eax, si
push eax
push str.bind_port_hu__on_non_local_address_failed:__s
push edi
call fcn.0041a990
add esp, 0x1c
mov dword [esp + 0x1c], 0x80
lea eax, [esp + 0x1c]
push eax
lea eax, [esp + 0x44]
push eax
mov eax, dword [esp + 0x2c]
push dword [eax + 0x1a0]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x43e870
mov eax, dword [esp + 0x2c]
movzx esi, ax
xor al, al
mov byte [esp + 0x13], al
jmp 0x43e9d7
cmp eax, 0x2740
je 0x43ea86
cmp eax, 0xd
jne 0x43ea95
inc esi
mov byte [esp + 0x13], cl
movzx eax, si
mov esi, eax
jmp 0x43e9cc
push 0x100
lea ecx, [esp + 0x16c]
push ecx
push eax
call fcn.004052f0
push eax
movzx eax, si
push eax
push str.bind_port_hu__failed:__s
push edi
call fcn.0041a8c0
add esp, 0x1c
jmp 0x43eda4
cmp si, word [esp + 0x18]
ja 0x43ed85
lea eax, [esp + 0x1c]
mov dword [esp + 0x1c], 0x80
push eax
lea eax, [esp + 0x44]
push eax
push dword [esp + 0x28]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x43e870
mov eax, dword [edi + 0x18]
test eax, eax
je 0x43eb06
movzx eax, byte [eax + 0x49e]
mov eax, dword [eax*4 + 0x469590]
jmp 0x43eb0b
mov eax, 0x469814
movzx esi, si
push esi
push eax
push str.__s__ftp_state_use_port____socket_bound_to_port__d
push edi
call fcn.0041ab00
add esp, 0x10
push 1
push dword [esp + 0x24]
call dword [sym.imp.WS2_32.dll_listen]
test eax, eax
je 0x43eb5b
push 0x100
lea eax, [esp + 0x16c]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004052f0
push eax
push str.socket_failure:__s
push edi
call fcn.0041a8c0
add esp, 0x18
jmp 0x43eda4
mov eax, dword [edi + 0x18]
test eax, eax
je 0x43eb72
movzx eax, byte [eax + 0x49e]
mov eax, dword [eax*4 + 0x469590]
jmp 0x43eb77
mov eax, 0x469814
push esi
push eax
push str.__s__ftp_state_use_port____listening_on__d
push edi
call fcn.0041ab00
push 0x2f
lea eax, [esp + 0xd4]
push eax
push ebp
call fcn.00424b90
mov ebp, dword [esp + 0x40]
add esp, 0x1c
cmp byte [ebp + 0x251], 0
jne 0x43ebb4
cmp byte [ebp + 0x24c], 0
je 0x43ebb4
mov byte [ebp + 0x251], 1
lea eax, [esp + 0x20]
push eax
push 1
push ebp
push edi
call fcn.0044d5a0
mov ecx, eax
add esp, 0x10
mov dword [esp + 0x14], ecx
test ecx, ecx
jne 0x43eda4
mov dword [esp + 0x20], 0xffffffff
cmp ebx, 2
je 0x43ec3e
mov esi, dword [sym.imp.WS2_32.dll_ntohs]
mov cx, word [esp + 0x40]
nop dword [eax + eax]
cmp byte [ebp + 0x251], 0
jne 0x43ebfd
test ebx, ebx
je 0x43ec34
cmp ebx, 1
jne 0x43ec08
cmp cx, 2
jne 0x43ec34
movzx eax, cx
sub eax, 2
je 0x43ec15
sub eax, 0x15
jne 0x43ec34
push dword [esp + 0x42]
call esi
movzx ebp, ax
test ebx, ebx
je 0x43ed05
cmp ebx, 1
je 0x43ec74
mov cx, word [esp + 0x40]
mov ebp, dword [esp + 0x24]
inc ebx
cmp ebx, 2
jne 0x43ebf0
mov ecx, dword [esp + 0x14]
mov esi, dword [esp + 0x30]
mov dword [esi + 0xa0], ebx
mov esi, dword [edi + 0x18]
mov dword [esp + 0x14], ecx
mov al, byte [esi + 0x49e]
cmp al, 0x1c
je 0x43ed78
test esi, esi
je 0x43ed5b
movzx eax, al
mov eax, dword [eax*4 + 0x469590]
jmp 0x43ed60
lea edx, [esp + 0x124]
mov edi, 0x2c
lea esi, [esp + 0xc0]
mov cl, byte [esi]
test cl, cl
je 0x43ec9e
cmp cl, 0x2e
movzx eax, cl
cmove eax, edi
mov byte [edx], al
inc edx
add esi, 1
jne 0x43ec87
movzx ecx, bp
movzx eax, cl
push eax
shr ecx, 8
push ecx
push str.__d__d
push 0x14
push edx
mov byte [edx], 0
call fcn.0041fd40
mov esi, dword [esp + 0x44]
lea eax, [esp + 0x138]
mov edi, dword [esp + 0x50]
push eax
push 0x469621
push 0x4690e0
push esi
push edi
call fcn.00457c40
mov ecx, eax
add esp, 0x28
mov dword [esp + 0x14], ecx
test ecx, ecx
je 0x43ec42
push ecx
call fcn.00405460
push eax
push str.Failure_sending_PORT_command:__s
push edi
call fcn.0041a8c0
add esp, 0x10
jmp 0x43eda4
mov esi, dword [esp + 0x30]
movzx eax, bp
push eax
lea eax, [esp + 0xc4]
push eax
xor eax, eax
cmp word [esp + 0x48], 2
setne al
inc eax
push eax
push str.EPRT
push str._s__d_s_hu
push esi
push edi
call fcn.00457c40
mov ecx, eax
add esp, 0x1c
mov dword [esp + 0x14], ecx
test ecx, ecx
je 0x43ec42
push ecx
call fcn.00405460
push eax
push str.Failure_sending_EPRT_command:__s
push edi
call fcn.0041a8c0
add esp, 0x10
jmp 0x43eda4
mov eax, 0x469814
push str.PORT
push eax
push str.__s_______s_
push edi
call fcn.0041ab00
mov ecx, dword [esp + 0x24]
add esp, 0x10
mov byte [esi + 0x49e], 0x1c
test ecx, ecx
je 0x43ede5
jmp 0x43eda4
push str.bind___failed__we_ran_out_of_ports
push edi
call fcn.0041a8c0
add esp, 8
jmp 0x43eda4
push esi
push str.failed_to_resolve_the_address_provided_to_PORT:__s
push edi
call fcn.0041a8c0
add esp, 0xc
mov esi, dword [edi + 0x18]
mov al, byte [esi + 0x49e]
test al, al
je 0x43edda
test esi, esi
je 0x43edc1
movzx eax, al
mov eax, dword [eax*4 + 0x469590]
jmp 0x43edc6
mov eax, 0x469814
push str.STOP
push eax
push str.__s_______s_
push edi
call fcn.0041ab00
add esp, 0x10
mov ecx, dword [esp + 0x14]
mov byte [esi + 0x49e], 0
mov eax, dword [esp + 0x20]
cmp eax, 0xffffffff
je 0x43ee02
push eax
push dword [esp + 0x28]
push edi
call fcn.0044d7c0
mov eax, dword [esp + 0x20]
add esp, 0xc
jmp 0x43ee04
mov eax, ecx
mov ecx, dword [esp + 0x66c]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0045e62e
add esp, 0x660
ret