Function at 0x51b680
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x9b4
mov eax, dword [0x655140]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 0xc]
lea eax, [ebp - 0x104]
push esi
mov esi, dword [ebp + 8]
push edi
push 0x100
push 0
mov edi, dword [esi]
push eax
mov dword [ebp - 0x9b4], esi
mov dword [ebp - 0x994], edi
mov dword [ebp - 0x990], 0xffffffff
call fcn.004b69d0
mov ecx, dword [ebp - 0x994]
xor eax, eax
mov edi, dword [edi + 0x3a8]
add esp, 0xc
mov dword [ebp - 0x9b0], 0
mov dword [ebp - 0x9a0], 0
mov ecx, dword [ecx + 0x3a8]
mov dword [ebp - 0x9a4], 0
mov byte [ebp - 0x989], 1
mov dword [ebp - 0x998], eax
test ecx, ecx
je 0x51b8c7
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x51b714
sub ecx, edx
cmp ecx, 1
jbe 0x51b8c7
mov ecx, edi
lea edx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x51b730
sub ecx, edx
cmp ecx, 0x16
jae 0x51b745
mov ecx, 0x16
jmp 0x51b759
mov ecx, edi
lea edx, [ecx + 1]
nop word [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x51b750
sub ecx, edx
lea eax, [ecx + 1]
push 1
push eax
call dword [0x655c30]
add esp, 8
mov dword [ebp - 0x998], eax
test eax, eax
jne 0x51b788
pop edi
pop esi
mov eax, 0x1b
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
cmp byte [edi], 0x3a
je 0x51b7c1
push 0x3a
push edi
call fcn.004b61d0
add esp, 8
mov dword [ebp - 0x9ac], eax
test eax, eax
je 0x51b858
mov ecx, eax
mov eax, dword [ebp - 0x998]
sub ecx, edi
push ecx
push edi
push eax
call fcn.004cb000
mov edi, dword [ebp - 0x9ac]
add esp, 0xc
test edi, edi
je 0x51b86d
push 0x3a
push edi
call fcn.004b61d0
mov edi, eax
add esp, 8
test edi, edi
je 0x51b86d
push 0xa
lea ecx, [edi + 1]
push 0
push ecx
call fcn.004c9cbe
push eax
call fcn.0050cae0
movzx eax, ax
push 0x2d
push edi
mov dword [ebp - 0x9a0], eax
call fcn.004b61d0
add esp, 0x18
test eax, eax
je 0x51b847
push 0xa
inc eax
push 0
push eax
call fcn.004c9cbe
push eax
call fcn.0050cae0
mov ecx, dword [ebp - 0x9a0]
add esp, 0x10
movzx eax, ax
mov dword [ebp - 0x9a4], eax
cmp cx, ax
jbe 0x51b86d
mov dword [ebp - 0x9a4], 0
mov dword [ebp - 0x9a0], 0
jmp 0x51b86d
mov ecx, dword [ebp - 0x9a0]
movzx eax, cx
mov dword [ebp - 0x9a4], eax
jmp 0x51b86d
mov ecx, dword [ebp - 0x998]
sub ecx, edi
mov al, byte [edi]
lea edi, [edi + 1]
mov byte [ecx + edi - 1], al
test al, al
jne 0x51b860
mov edi, dword [ebp - 0x998]
cmp byte [edi], 0
je 0x51b8c9
push 0x401
lea eax, [ebp - 0x508]
push eax
mov eax, dword [esi + 0x4c]
push edi
push dword [esi + 0x88]
push dword [eax + 0x18]
call fcn.00415210
add esp, 4
push eax
mov eax, dword [esi + 0x4c]
push dword [eax + 4]
call fcn.00415210
add esp, 0x18
sub eax, 0
je 0x51b8c0
sub eax, 1
je 0x51be4c
sub eax, 1
jne 0x51b8c9
jmp 0x51b948
mov eax, edi
jmp 0x51b94e
xor edi, edi
lea eax, [ebp - 0x99c]
mov dword [ebp - 0x99c], 0x80
push eax
lea eax, [ebp - 0x988]
push eax
push dword [esi + 0x1a0]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x51b91e
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push esi
call fcn.004e7300
push eax
push str.getsockname___failed:__s
push dword [ebp - 0x994]
call fcn.004f8940
push edi
call dword [0x655c24]
add esp, 0x18
jmp 0x51be4c
push 0x401
lea eax, [ebp - 0x508]
push eax
lea eax, [ebp - 0x984]
push eax
movzx eax, word [ebp - 0x988]
push eax
call fcn.0050e050
add esp, 0x10
mov byte [ebp - 0x989], 0
lea eax, [ebp - 0x508]
lea ecx, [ebp - 0x9b0]
mov dword [ebp - 0x9a8], eax
push ecx
push 0
push eax
push esi
call fcn.004eece0
add esp, 0x10
cmp eax, 1
jne 0x51b97c
lea eax, [ebp - 0x9b0]
push eax
push esi
call fcn.004ee370
add esp, 8
mov eax, dword [ebp - 0x9b0]
test eax, eax
je 0x51be26
mov edi, dword [eax]
push eax
push dword [ebp - 0x994]
mov dword [ebp - 0x9ac], edi
call fcn.004eee80
add esp, 8
test edi, edi
je 0x51be26
mov eax, dword [ebp - 0x998]
push eax
call dword [0x655c24]
add esp, 4
mov dword [ebp - 0x990], 0xffffffff
mov dword [ebp - 0x9a8], 0
nop dword [eax]
lea eax, [ebp - 0x990]
push eax
push 0
push edi
push esi
call fcn.004f9960
add esp, 0x10
mov dword [ebp - 0x998], eax
test eax, eax
je 0x51ba08
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edi, dword [edi + 0x1c]
mov dword [ebp - 0x9a8], eax
mov dword [ebp - 0x9ac], edi
test edi, edi
jne 0x51b9d0
jmp 0x51ba12
test edi, edi
jne 0x51ba32
mov eax, dword [ebp - 0x9a8]
push eax
push esi
call fcn.004e7300
push eax
push str.socket_failure:__s
push dword [ebp - 0x994]
call fcn.004f8940
add esp, 0x14
jmp 0x51be4c
push dword [edi + 0x10]
lea eax, [ebp - 0x988]
push dword [edi + 0x18]
push eax
call fcn.004b63f0
mov eax, dword [edi + 0x10]
add esp, 0xc
mov dword [ebp - 0x99c], eax
mov eax, dword [ebp - 0x9a0]
movzx edi, ax
cmp ax, word [ebp - 0x9a4]
ja 0x51bb29
cmp word [ebp - 0x988], 2
jne 0x51ba7e
push edi
call dword [sym.imp.WS2_32.dll_htons]
mov word [ebp - 0x986], ax
push dword [ebp - 0x99c]
lea eax, [ebp - 0x988]
push eax
push dword [ebp - 0x990]
call dword [sym.imp.WS2_32.dll_bind]
test eax, eax
je 0x51bba7
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp byte [ebp - 0x989], 0
je 0x51bb0f
cmp eax, 0x2741
jne 0x51bb0f
push eax
push esi
call fcn.004e7300
push eax
movzx eax, di
mov edi, dword [ebp - 0x994]
push eax
push str.bind_port_hu__on_non_local_address_failed:__s_n
push edi
call fcn.004f89e0
add esp, 0x18
mov dword [ebp - 0x99c], 0x80
lea eax, [ebp - 0x99c]
push eax
lea eax, [ebp - 0x988]
push eax
push dword [esi + 0x1a0]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x51bb4a
mov eax, dword [ebp - 0x9a0]
movzx edi, ax
mov byte [ebp - 0x989], 0
jmp 0x51bb1c
cmp eax, 0x2740
je 0x51bb1b
cmp eax, 0xd
jne 0x51bb77
inc edi
cmp di, word [ebp - 0x9a4]
jbe 0x51ba66
push str.bind___failed__we_ran_out_of_ports_
push dword [ebp - 0x994]
call fcn.004f8940
push dword [ebp - 0x990]
push esi
call fcn.004f90e0
jmp 0x51be49
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push esi
call fcn.004e7300
push eax
push str.getsockname___failed:__s
push edi
call fcn.004f8940
push dword [ebp - 0x990]
push esi
call fcn.004f90e0
add esp, 0x1c
jmp 0x51be4c
push eax
push esi
call fcn.004e7300
push eax
movzx eax, di
push eax
push str.bind_port_hu__failed:__s
push dword [ebp - 0x994]
call fcn.004f8940
push dword [ebp - 0x990]
push esi
call fcn.004f90e0
add esp, 0x20
jmp 0x51be4c
cmp di, word [ebp - 0x9a4]
ja 0x51bb29
lea eax, [ebp - 0x99c]
mov dword [ebp - 0x99c], 0x80
push eax
lea eax, [ebp - 0x988]
push eax
push dword [ebp - 0x990]
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x51bbfa
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push esi
call fcn.004e7300
push eax
push str.getsockname___failed:__s
push dword [ebp - 0x994]
jmp 0x51bb5e
push 1
push dword [ebp - 0x990]
call dword [sym.imp.WS2_32.dll_listen]
test eax, eax
je 0x51bc2a
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push esi
call fcn.004e7300
push eax
push str.socket_failure:__s
push dword [ebp - 0x994]
jmp 0x51bb5e
push 0x100
lea eax, [ebp - 0x104]
push eax
push dword [ebp - 0x9ac]
call fcn.004eecb0
add esp, 0xc
cmp ebx, 2
je 0x51bca1
mov edi, dword [sym.imp.WS2_32.dll_ntohs]
mov cx, word [ebp - 0x988]
cmp byte [esi + 0x299], 0
jne 0x51bc63
test ebx, ebx
je 0x51bc9b
cmp ebx, 1
jne 0x51bc6e
cmp cx, 2
jne 0x51bc9b
movzx eax, cx
sub eax, 2
jne 0x51bc9b
push dword [ebp - 0x986]
call edi
movzx eax, ax
mov dword [ebp - 0x9ac], eax
test ebx, ebx
je 0x51bd9e
cmp ebx, 1
je 0x51bce4
mov cx, word [ebp - 0x988]
inc ebx
cmp ebx, 2
jne 0x51bc56
mov edi, dword [ebp - 0x998]
push esi
mov dword [esi + 0x4cc], ebx
call fcn.00519380
mov eax, dword [ebp - 0x990]
push 0x1c
push esi
mov dword [esi + 0x1a4], eax
mov byte [esi + 0x292], 1
call fcn.00519360
add esp, 0xc
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
lea edx, [ebp - 0x908]
mov esi, 0x2c
lea edi, [ebp - 0x104]
mov cl, byte [edi]
test cl, cl
je 0x51bd0c
cmp cl, 0x2e
movzx eax, cl
cmove eax, esi
mov byte [edx], al
inc edx
add edi, 1
jne 0x51bcf5
mov eax, dword [ebp - 0x9ac]
movzx ecx, ax
movzx eax, cl
push eax
shr ecx, 8
push ecx
push str.__d__d
push 0x14
push edx
mov byte [edx], 0
call fcn.004fa9f0
mov esi, dword [ebp - 0x9b4]
lea eax, [ebp - 0x908]
push eax
push str.PORT
push 0x600e9c
lea eax, [esi + 0x470]
push eax
call fcn.00544160
mov edi, eax
add esp, 0x24
test edi, edi
je 0x51bca7
push edi
call fcn.004e73e0
push eax
push str.Failure_sending_PORT_command:__s
push dword [ebp - 0x994]
call fcn.004f8940
push dword [ebp - 0x990]
push esi
call fcn.004f90e0
push 0
push esi
call fcn.00519360
add esp, 0x20
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
movzx eax, ax
push eax
lea eax, [ebp - 0x104]
push eax
xor eax, eax
cmp word [ebp - 0x988], 2
setne al
inc eax
push eax
push str.EPRT
lea eax, [esi + 0x470]
push str._s__d_s_hu
push eax
call fcn.00544160
mov edi, eax
add esp, 0x18
test edi, edi
je 0x51bca7
push edi
call fcn.004e73e0
push eax
push str.Failure_sending_EPRT_command:__s
push dword [ebp - 0x994]
call fcn.004f8940
push dword [ebp - 0x990]
push esi
call fcn.004f90e0
push 0
push esi
mov dword [esi + 0x4cc], 1
call fcn.00519360
add esp, 0x20
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret
push dword [ebp - 0x9a8]
push str.failed_to_resolve_the_address_provided_to_PORT:__s
push dword [ebp - 0x994]
call fcn.004f8940
mov eax, dword [ebp - 0x998]
push eax
call dword [0x655c24]
add esp, 0x10
mov ecx, dword [ebp - 4]
mov eax, 0x1e
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004b3f1a
mov esp, ebp
pop ebp
ret