Function at 0x519850
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x628
mov eax, dword [0x6a8c7c]
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 0x2f
mov dword [esp + 0x30], eax
lea eax, [esp + 0xc0]
push 0
push eax
mov dword [esp + 0x44], ebp
mov dword [esp + 0x2c], 0xffffffff
call fcn.005ed310
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 0x519ae9
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5198d4
sub ecx, edx
cmp ecx, 1
jbe 0x519ae9
mov ecx, esi
lea edx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x5198f0
sub ecx, edx
cmp ecx, 0x41
jae 0x519905
mov ecx, 0x41
jmp 0x519919
mov ecx, esi
lea edx, [ecx + 1]
nop word [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x519910
sub ecx, edx
lea eax, [ecx + 1]
push eax
push 1
call dword [0x6a4010]
add esp, 8
mov dword [esp + 0x18], eax
test eax, eax
jne 0x51993c
mov ebx, dword [esp + 0x10]
lea esi, [eax + 0x1b]
jmp 0x519fa0
mov al, byte [esi]
cmp al, 0x5b
jne 0x519974
push 0x5d
push esi
call fcn.005ed470
mov ebx, eax
add esp, 8
test ebx, ebx
je 0x519966
lea ecx, [esi + 1]
sub eax, ecx
push eax
push ecx
push dword [esp + 0x20]
call fcn.005fd8a0
add esp, 0xc
xor esi, esi
xor edx, edx
test ebx, ebx
je 0x519a41
jmp 0x5199d1
cmp al, 0x3a
jne 0x51997c
mov ebx, esi
jmp 0x5199d1
push 0x3a
push esi
call fcn.005ed470
mov ebx, eax
add esp, 8
test ebx, ebx
je 0x519a27
lea eax, [esp + 0x44]
push eax
push esi
push 0x17
call fcn.005119b0
add esp, 0xc
cmp eax, 1
jne 0x5199bf
mov ecx, dword [esp + 0x18]
sub ecx, esi
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [esi + ecx - 1], al
test al, al
jne 0x5199b0
jmp 0x519a3d
mov eax, ebx
sub eax, esi
push eax
push esi
push dword [esp + 0x20]
call fcn.005fd8a0
add esp, 0xc
push 0x3a
push ebx
call fcn.005ed470
mov ebx, eax
add esp, 8
xor esi, esi
xor edx, edx
test ebx, ebx
je 0x519a41
push 0xa
push edx
lea eax, [ebx + 1]
push eax
call fcn.005f69ce
push eax
call fcn.004fbed0
push 0x2d
push ebx
movzx esi, ax
call fcn.005ed470
add esp, 0x18
test eax, eax
je 0x519a23
push 0xa
inc eax
push 0
push eax
call fcn.005f69ce
push eax
call fcn.004fbed0
add esp, 0x10
movzx edx, ax
jmp 0x519a41
mov edx, esi
jmp 0x519a41
mov ecx, dword [esp + 0x18]
sub ecx, esi
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [esi + ecx - 1], al
test al, al
jne 0x519a30
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 0x519add
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.00537d70
add esp, 4
push eax
mov eax, dword [esp + 0x24]
mov eax, dword [eax + 0x60]
push dword [eax]
call fcn.00451090
add esp, 0x18
sub eax, 0
je 0x519abf
sub eax, 1
je 0x519f97
sub eax, 1
jne 0x519ac9
lea eax, [esp + 0x230]
mov dword [esp + 0x30], eax
jmp 0x519acb
mov eax, dword [esp + 0x18]
mov dword [esp + 0x30], eax
jmp 0x519acb
xor eax, eax
mov dword [esp + 0x28], esi
mov dword [esp + 0x24], ebx
test eax, eax
jne 0x519b81
jmp 0x519ae9
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 0x519b3c
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0050c530
push eax
push str.getsockname___failed:__s
push ebp
call fcn.004f9630
add esp, 0x18
jmp 0x519f9b
cmp word [esp + 0x3c], 0x17
lea edx, [esp + 0x44]
movzx eax, word [esp + 0x3c]
lea ecx, [esp + 0x40]
cmove ecx, edx
lea edx, [esp + 0x230]
push 0x401
push edx
push ecx
push eax
call fcn.0052c7a0
add esp, 0x10
test eax, eax
je 0x519f9b
lea eax, [esp + 0x230]
mov byte [esp + 0x17], 0
mov dword [esp + 0x30], eax
lea ecx, [esp + 0x34]
push ecx
push 0
push 0
push eax
push ebp
call fcn.00502f60
add esp, 0x14
cmp eax, 1
jne 0x519ba7
lea eax, [esp + 0x34]
push eax
push ebp
call fcn.004edfc0
add esp, 8
mov eax, dword [esp + 0x34]
test eax, eax
je 0x519f84
mov ebx, dword [eax]
push eax
push ebp
call fcn.00503520
add esp, 8
test ebx, ebx
je 0x519f84
mov esi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
nop dword [eax]
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.00528370
add esp, 0x14
test eax, eax
je 0x519c21
call esi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x519bd0
push 0x100
lea ecx, [esp + 0x134]
push ecx
push eax
call fcn.0050c530
push eax
push str.socket_failure:__s
push ebp
call fcn.004f9630
add esp, 0x18
jmp 0x519f97
push dword [ebx + 0x10]
lea eax, [esp + 0x40]
push dword [ebx + 0x18]
push eax
call fcn.005ed5a0
mov eax, dword [ebx + 0x10]
add esp, 0xc
mov dword [esp + 0x1c], eax
mov eax, dword [esp + 0x28]
cmp ax, word [esp + 0x24]
movzx esi, ax
ja 0x519f74
mov eax, dword [sym.imp.WS2_32.dll_htons]
push esi
call eax
push dword [esp + 0x1c]
movzx eax, ax
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 0x519d38
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
cmp byte [esp + 0x17], 0
je 0x519cf6
cmp eax, 0x2741
jne 0x519cf6
push 0x100
lea eax, [esp + 0x134]
push eax
push 0x2741
call fcn.0050c530
push eax
movzx eax, si
push eax
push str.bind_port_hu__on_non_local_address_failed:__s
push ebp
call fcn.004f9700
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 0x519d63
mov eax, dword [esp + 0x28]
movzx esi, ax
cmp si, word [esp + 0x24]
mov byte [esp + 0x17], 0
jmp 0x519c47
cmp eax, 0x2740
je 0x519d02
cmp eax, 0xd
jne 0x519d0d
inc esi
cmp si, word [esp + 0x24]
jmp 0x519c47
push 0x100
lea ecx, [esp + 0x134]
push ecx
push eax
call fcn.0050c530
push eax
movzx eax, si
push eax
push str.bind_port_hu__failed:__s
push ebp
call fcn.004f9630
add esp, 0x1c
jmp 0x519f97
cmp si, word [esp + 0x24]
ja 0x519f74
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 0x519d90
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0050c530
push eax
push str.getsockname___failed:__s
push ebp
call fcn.004f9630
add esp, 0x18
jmp 0x519f97
push 1
push dword [esp + 0x24]
call dword [sym.imp.WS2_32.dll_listen]
test eax, eax
je 0x519db8
push 0x100
lea eax, [esp + 0x134]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
jmp 0x519c07
push 0x2f
lea eax, [esp + 0xc0]
push eax
push ebx
call fcn.00502f10
mov eax, dword [esp + 0x1c]
add esp, 0xc
cmp byte [eax + 0x1f2], 0
jne 0x519de8
cmp byte [eax + 0x1ec], 0
je 0x519de8
mov byte [eax + 0x1f2], 1
cmp edi, 2
je 0x519e4a
mov esi, dword [sym.imp.WS2_32.dll_ntohs]
mov cx, word [esp + 0x3c]
nop dword [eax + eax]
cmp byte [eax + 0x1f2], 0
jne 0x519e0d
test edi, edi
je 0x519e44
cmp edi, 1
jne 0x519e18
cmp cx, 2
jne 0x519e44
movzx eax, cx
sub eax, 2
je 0x519e25
sub eax, 0x15
jne 0x519e40
push dword [esp + 0x3e]
call esi
movzx ebx, ax
test edi, edi
je 0x519f1e
cmp edi, 1
je 0x519e8a
mov cx, word [esp + 0x3c]
mov eax, dword [esp + 0x10]
inc edi
cmp edi, 2
jne 0x519e00
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.00528120
mov esi, eax
add esp, 0x10
test esi, esi
jne 0x519fa0
mov eax, dword [ebp + 0x18]
mov dword [esp + 0x20], 0xffffffff
mov byte [eax + 0x436], 0x1c
jmp 0x519faa
lea edx, [esp + 0xec]
mov ebp, 0x2c
lea esi, [esp + 0xbc]
nop dword [eax]
mov cl, byte [esi]
test cl, cl
je 0x519eb7
cmp cl, 0x2e
movzx eax, cl
cmove eax, ebp
mov byte [edx], al
inc edx
add esi, 1
jne 0x519ea0
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.00500bc0
mov ebx, dword [esp + 0x40]
lea eax, [esp + 0x100]
mov ebp, dword [esp + 0x4c]
push eax
push str.PORT
push 0x62c170
push ebx
push ebp
call fcn.00536780
mov esi, eax
add esp, 0x28
test esi, esi
je 0x519e4e
push esi
call fcn.0050c6a0
push eax
push str.Failure_sending_PORT_command:__s
push ebp
call fcn.004f9630
mov ebx, dword [esp + 0x20]
add esp, 0x10
jmp 0x519fa0
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.00536780
mov esi, eax
add esp, 0x1c
test esi, esi
je 0x519e4e
push esi
call fcn.0050c6a0
push eax
push str.Failure_sending_EPRT_command:__s
push ebp
call fcn.004f9630
mov ebx, dword [esp + 0x20]
add esp, 0x10
jmp 0x519fa0
push str.bind___failed__we_ran_out_of_ports
push ebp
call fcn.004f9630
add esp, 8
jmp 0x519f97
mov eax, dword [esp + 0x30]
push eax
push str.failed_to_resolve_the_address_provided_to_PORT:__s
push ebp
call fcn.004f9630
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 0x519fbe
push eax
push ebx
push ebp
call fcn.00528340
add esp, 0xc
push dword [esp + 0x18]
call dword [0x6a4004]
mov ecx, dword [esp + 0x638]
add esp, 4
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005d584c
add esp, 0x628
ret