Function at 0x1020c740
Capabilities:
Convert ip address from string
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x628
mov eax, dword [0x106c15c0]
xor eax, esp
mov dword [esp + 0x624], eax
push ebx
mov ebx, dword [esp + 0x634]
push ebp
push esi
push edi
mov edi, dword [esp + 0x63c]
push 0x2f
push 0
mov dword [esp + 0x40], edi
mov ebp, dword [edi + 0xc]
mov dword [esp + 0x28], ebp
mov dword [esp + 0x1c], 0xffffffff
lea eax, [ebp + 0x440]
mov dword [esp + 0x3c], eax
lea eax, [esp + 0xc4]
push eax
call sub.VCRUNTIME140.dll_memset
mov esi, dword [edi + 0x548]
xor eax, eax
add esp, 0xc
mov dword [esp + 0x2c], eax
mov dword [esp + 0x30], eax
mov dword [esp + 0x1c], eax
mov dword [esp + 0x18], eax
mov byte [esp + 0x13], 1
test esi, esi
je 0x1020c9d0
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x1020c7c1
sub ecx, edx
cmp ecx, 1
jbe 0x1020c9d0
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x1020c7d8
sub ecx, edx
cmp ecx, 0x41
jae 0x1020c7ed
mov ecx, 0x41
jmp 0x1020c7fb
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x1020c7f2
sub ecx, edx
lea eax, [ecx + 1]
push 1
push eax
call dword [0x106c1238]
add esp, 8
mov dword [esp + 0x18], eax
test eax, eax
jne 0x1020c81c
mov eax, 0x1b
jmp 0x1020cf65
mov al, byte [esi]
cmp al, 0x5b
jne 0x1020c842
push 0x5d
push esi
call sub.VCRUNTIME140.dll_strchr
add esp, 8
mov dword [esp + 0x1c], eax
test eax, eax
je 0x1020c90f
lea ecx, [esi + 1]
sub eax, ecx
push eax
push ecx
jmp 0x1020c890
cmp al, 0x3a
je 0x1020c8a1
push 0x3a
push esi
call sub.VCRUNTIME140.dll_strchr
add esp, 8
mov dword [esp + 0x1c], eax
test eax, eax
je 0x1020c8fc
lea eax, [esp + 0x3c]
push eax
push esi
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
cmp eax, 1
jne 0x1020c888
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 0x1020c876
jmp 0x1020c90f
mov eax, dword [esp + 0x1c]
sub eax, esi
push eax
push esi
mov ecx, dword [esp + 0x20]
push ecx
call sub.api_ms_win_crt_string_l1_1_0.dll_strncpy
mov esi, dword [esp + 0x28]
add esp, 0xc
push 0x3a
push esi
call sub.VCRUNTIME140.dll_strchr
add esp, 8
mov dword [esp + 0x28], eax
xor esi, esi
xor edx, edx
test eax, eax
je 0x1020c913
push 0xa
push edx
lea ecx, [eax + 1]
push ecx
call sub.api_ms_win_crt_convert_l1_1_0.dll_strtoul
push eax
call fcn.101d9380
push 0x2d
push dword [esp + 0x3c]
movzx esi, ax
call sub.VCRUNTIME140.dll_strchr
add esp, 0x18
test eax, eax
je 0x1020c8f8
push 0xa
inc eax
push 0
push eax
call sub.api_ms_win_crt_convert_l1_1_0.dll_strtoul
push eax
call fcn.101d9380
add esp, 0x10
movzx edx, ax
jmp 0x1020c913
mov edx, esi
jmp 0x1020c913
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 0x1020c902
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 + 0x28], eax
cmp si, dx
movzx eax, si
mov esi, dword [esp + 0x18]
cmovbe ecx, eax
movzx eax, cx
mov dword [esp + 0x1c], eax
cmp byte [esi], 0
je 0x1020c9bc
push 0x401
lea eax, [esp + 0x234]
push eax
mov eax, dword [ebp + 0x48]
push esi
push dword [ebp + 0x54]
push dword [eax + 0x18]
call fcn.10214d90
add esp, 4
push eax
mov eax, dword [ebp + 0x48]
push dword [eax + 4]
call fcn.1001c450
add esp, 0x18
sub eax, 0
je 0x1020c992
sub eax, 1
je 0x1020cf60
sub eax, 1
jne 0x1020c99a
lea ecx, [esp + 0x230]
mov dword [esp + 0x2c], ecx
jmp 0x1020c99c
mov ecx, esi
mov dword [esp + 0x2c], ecx
jmp 0x1020c99c
xor ecx, ecx
mov eax, dword [esp + 0x1c]
movzx edx, ax
mov eax, dword [esp + 0x28]
movzx eax, ax
mov dword [esp + 0x1c], edx
mov dword [esp + 0x18], eax
test ecx, ecx
jne 0x1020ca78
jmp 0x1020c9d2
movzx ecx, ax
mov eax, dword [esp + 0x28]
movzx eax, ax
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x18], eax
jmp 0x1020c9d2
xor esi, esi
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0x80
push eax
lea eax, [esp + 0x40]
push eax
push dword [ebp + 0x150]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x1020ca28
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.101d5080
push eax
push str.getsockname___failed:__s
push edi
call fcn.101e9d20
push esi
call dword [0x106c122c]
add esp, 0x1c
jmp 0x1020cf60
mov ax, word [esp + 0x3c]
cmp ax, 0x17
je 0x1020ca3c
lea ecx, [esp + 0x40]
movzx eax, ax
jmp 0x1020ca45
lea ecx, [esp + 0x44]
mov eax, 0x17
push 0x401
lea edx, [esp + 0x234]
movzx eax, ax
push edx
push ecx
push eax
call fcn.10214e50
add esp, 0x10
test eax, eax
je 0x1020cf60
lea ecx, [esp + 0x230]
xor al, al
mov dword [esp + 0x2c], ecx
mov byte [esp + 0x13], al
lea eax, [esp + 0x30]
push eax
push 0
push 0
push ecx
push edi
call fcn.101f3630
add esp, 0x14
cmp eax, 1
jne 0x1020ca9e
lea eax, [esp + 0x30]
push eax
push edi
call fcn.101e0640
add esp, 8
mov eax, dword [esp + 0x30]
test eax, eax
je 0x1020cf46
mov ebp, dword [eax]
push eax
push edi
call fcn.101f3ad0
add esp, 8
test ebp, ebp
je 0x1020cf46
push esi
call dword [0x106c122c]
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
add esp, 4
nop
lea eax, [esp + 0x14]
push eax
push 0
push ebp
push edi
call fcn.101eb400
add esp, 0x10
mov dword [esp + 0x28], eax
test eax, eax
je 0x1020cb19
call esi
mov ebp, dword [ebp + 0x1c]
test ebp, ebp
jne 0x1020cad0
push 0x100
lea ecx, [esp + 0x134]
push ecx
push eax
call fcn.101d5080
push eax
push str.socket_failure:__s
push edi
call fcn.101e9d20
add esp, 0x18
jmp 0x1020cf60
push dword [ebp + 0x10]
lea eax, [esp + 0x40]
push dword [ebp + 0x18]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebp + 0x10]
add esp, 0xc
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x1c]
movzx esi, ax
cmp ax, word [esp + 0x18]
ja 0x1020cf28
mov eax, dword [sym.imp.WS2_32.dll_htons]
push esi
call eax
push dword [esp + 0x24]
movzx eax, ax
mov word [esp + 0x42], ax
lea eax, [esp + 0x40]
push eax
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_bind]
test eax, eax
je 0x1020cc73
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov cl, byte [esp + 0x13]
test cl, cl
je 0x1020cbe7
cmp eax, 0x2741
jne 0x1020cbe7
push 0x100
lea eax, [esp + 0x134]
push eax
push 0x2741
call fcn.101d5080
push eax
movzx eax, si
push eax
push str.bind_port_hu__on_non_local_address_failed:__s
push edi
call fcn.101e9df0
mov esi, dword [esp + 0x3c]
lea eax, [esp + 0x40]
add esp, 0x1c
mov dword [esp + 0x24], 0x80
push eax
lea eax, [esp + 0x40]
push eax
push dword [esi + 0x150]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x1020cc02
mov eax, dword [esp + 0x1c]
movzx esi, ax
xor al, al
mov byte [esp + 0x13], al
jmp 0x1020cb45
cmp eax, 0x2740
je 0x1020cbf3
cmp eax, 0xd
jne 0x1020cc3a
inc esi
mov byte [esp + 0x13], cl
movzx eax, si
mov esi, eax
jmp 0x1020cb3a
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.101d5080
push eax
push str.getsockname___failed:__s
push edi
call fcn.101e9d20
push dword [esp + 0x2c]
push esi
push edi
call fcn.101ea7c0
add esp, 0x24
jmp 0x1020cf60
push 0x100
lea ecx, [esp + 0x134]
push ecx
push eax
call fcn.101d5080
push eax
movzx eax, si
push eax
push str.bind_port_hu__failed:__s
push edi
call fcn.101e9d20
push dword [esp + 0x30]
push dword [esp + 0x40]
push edi
call fcn.101ea7c0
add esp, 0x28
jmp 0x1020cf60
cmp si, word [esp + 0x18]
ja 0x1020cf28
lea eax, [esp + 0x24]
mov dword [esp + 0x24], 0x80
push eax
lea eax, [esp + 0x40]
push eax
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x1020ccd9
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.101d5080
push eax
push str.getsockname___failed:__s
push edi
call fcn.101e9d20
push dword [esp + 0x2c]
push dword [esp + 0x3c]
push edi
call fcn.101ea7c0
add esp, 0x24
jmp 0x1020cf60
push 1
push dword [esp + 0x18]
call dword [sym.imp.WS2_32.dll_listen]
test eax, eax
je 0x1020cd0a
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.101d5080
push eax
push str.socket_failure:__s
jmp 0x1020ccbd
push 0x2f
lea eax, [esp + 0xc0]
push eax
push ebp
call fcn.101f35e0
mov esi, dword [esp + 0x2c]
add esp, 0xc
cmp byte [esi + 0x273], 0
jne 0x1020cd3a
cmp byte [esi + 0x26c], 0
je 0x1020cd3a
mov byte [esi + 0x273], 1
cmp ebx, 2
je 0x1020cd9c
mov edx, dword [sym.imp.WS2_32.dll_ntohs]
mov cx, word [esp + 0x3c]
nop word [eax + eax]
cmp byte [esi + 0x273], 0
jne 0x1020cd5d
test ebx, ebx
je 0x1020cd96
cmp ebx, 1
jne 0x1020cd68
cmp cx, 2
jne 0x1020cd96
movzx eax, cx
sub eax, 2
je 0x1020cd75
sub eax, 0x15
jne 0x1020cd96
push dword [esp + 0x3e]
call edx
movzx ebp, ax
test ebx, ebx
je 0x1020cea7
cmp ebx, 1
je 0x1020cdf9
mov cx, word [esp + 0x3c]
mov edx, dword [sym.imp.WS2_32.dll_ntohs]
inc ebx
cmp ebx, 2
jne 0x1020cd50
mov ebp, dword [esp + 0x28]
mov dword [esi + 0x4b8], ebx
mov eax, dword [esi + 0x154]
cmp eax, 0xffffffff
je 0x1020cdc6
push eax
push esi
push edi
call fcn.101ea7c0
add esp, 0xc
mov dword [esi + 0x154], 0xffffffff
mov byte [esi + 0x25d], 0
mov byte [esi + 0x25f], 0
mov eax, dword [esp + 0x14]
mov dword [esi + 0x154], eax
mov byte [esi + 0x25d], 1
mov eax, dword [edi + 0xc]
mov dword [eax + 0x4c4], 0x1c
mov eax, ebp
jmp 0x1020cf65
lea edx, [esp + 0xec]
mov edi, 0x2c
lea esi, [esp + 0xbc]
nop dword [eax]
mov cl, byte [esi]
test cl, cl
je 0x1020ce27
cmp cl, 0x2e
movzx eax, cl
cmove eax, edi
mov byte [edx], al
inc edx
add esi, 1
jne 0x1020ce10
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.101d9520
mov edi, dword [esp + 0x4c]
lea eax, [esp + 0x100]
push eax
mov eax, dword [esp + 0x4c]
push str.PORT
push 0x102ed40c
push eax
push edi
call fcn.1021f040
mov ebp, eax
add esp, 0x28
test ebp, ebp
je 0x1020cf1f
push ebp
call fcn.101d51f0
push eax
push str.Failure_sending_PORT_command:__s
push edi
call fcn.101e9d20
push dword [esp + 0x24]
push dword [esp + 0x34]
push edi
call fcn.101ea7c0
mov eax, dword [edi + 0xc]
add esp, 0x1c
mov dword [eax + 0x4c4], 0
mov eax, ebp
jmp 0x1020cf65
movzx eax, bp
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
lea eax, [esi + 0x440]
push eax
push edi
call fcn.1021f040
mov ebp, eax
add esp, 0x1c
test ebp, ebp
je 0x1020cda0
push ebp
call fcn.101d51f0
push eax
push str.Failure_sending_EPRT_command:__s
push edi
call fcn.101e9d20
push dword [esp + 0x24]
push esi
push edi
call fcn.101ea7c0
mov dword [esi + 0x4b8], 1
add esp, 0x1c
mov eax, dword [edi + 0xc]
mov dword [eax + 0x4c4], 0
mov eax, ebp
jmp 0x1020cf65
mov esi, dword [esp + 0x20]
jmp 0x1020cda0
push str.bind___failed__we_ran_out_of_ports
push edi
call fcn.101e9d20
push dword [esp + 0x1c]
push dword [esp + 0x2c]
push edi
call fcn.101ea7c0
add esp, 0x14
jmp 0x1020cf60
mov eax, dword [esp + 0x2c]
push eax
push str.failed_to_resolve_the_address_provided_to_PORT:__s
push edi
call fcn.101e9d20
push esi
call dword [0x106c122c]
add esp, 0x10
mov eax, 0x1e
mov ecx, dword [esp + 0x634]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.10229364
add esp, 0x628
ret