Function at 0x51217f
Capabilities:
Convert ip address from string

Disassembly:
sub esp, 0x64
mov eax, dword [0x6218c0]
xor eax, esp
mov dword [esp + 0x60], eax
mov eax, dword [esp + 0x68]
push ebx
mov ebx, dword [esp + 0x74]
push ebp
push esi
mov esi, dword [esp + 0x78]
mov dword [esp + 0x14], eax
mov eax, dword [eax + 0xc]
mov dword [esp + 0x18], eax
mov edx, dword [esi + 0xc]
push edi
mov al, byte [eax + 0xa0]
mov edi, dword [ebx + 0x8bc]
mov byte [esp + 0x12], al
lea ecx, [edx + 1]
nop
mov al, byte [edx]
inc edx
test al, al
jne 0x511b00
mov al, byte [ebx + 0x49b]
sub edx, ecx
mov byte [esp + 0x13], al
xor ecx, ecx
mov eax, dword [esi]
xor ebp, ebp
dec eax
mov dword [esp + 0x28], edx
mov byte [esp + 0x11], 0
mov dword [esp + 0x14], ecx
cmp eax, 0xf
ja case.0x511b38.5
mov dword [esp + 0x2c], 2
jmp dword [eax*4 + 0x512428]
mov eax, dword [esp + 0x1c]
cmp byte [eax + 0x1e0], cl
je 0x511b64
push dword [esi + 0x10]
mov eax, dword [esi + 0xc]
push eax
push str.SOCKS5:_connecting_to_HTTP_proxy__s_port__d
push ebx
call fcn.004e1030
mov edx, dword [esp + 0x38]
add esp, 0x10
cmp byte [esp + 0x12], 5
je 0x511b99
cmp edx, 0xff
jbe 0x511b99
push str.SOCKS5:_the_destination_hostname_is_too_long_to_be_resolved_remotely_by_the_proxy.
push ebx
call fcn.004e0f60
add esp, 8
mov eax, 9
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
movzx eax, byte [esp + 0x13]
test eax, 0xfffffffa
je 0x511bb4
push eax
push str.warning:_unsupported_value_passed_to_CURLOPT_SOCKS5_AUTH:__u
push ebx
call fcn.004e1030
add esp, 0xc
mov al, byte [esp + 0x13]
test al, 1
jne 0x511bbf
mov dword [esi + 0x14], ebp
mov byte [edi], 5
test al, 4
je 0x511bd8
mov byte [esp + 0x11], 1
mov ecx, 4
mov word [edi + 2], 0x100
jmp 0x511be6
mov byte [edi + 2], 0
mov ecx, 3
mov byte [esp + 0x11], 0
cmp dword [esi + 0x14], ebp
je 0x511bf0
mov byte [ecx + edi], 2
inc ecx
mov ebp, dword [esp + 0x18]
lea eax, [ecx - 2]
push str.initial_SOCKS5_request
push 0x1d
push ebx
mov byte [edi + 1], al
push esi
push ebp
mov dword [esi + 8], edi
mov dword [esi + 4], ecx
call fcn.005124f0
add esp, 0x14
test eax, eax
jne 0x512415
cmp dword [esi + 4], eax
jne 0x512413
cmp dword [esi], 4
je case.0x511b38.3
mov dword [esi], 4
jmp case.0x511b38.3
mov ebp, dword [esp + 0x18]
push str.initial_SOCKS5_request
push 0x1d
push ebx
push esi
push ebp
call fcn.005124f0
add esp, 0x14
test eax, eax
jne 0x512415
cmp dword [esi + 4], eax
jne 0x512413
mov dword [esi + 4], 2
mov dword [esi + 8], edi
mov ebp, dword [esp + 0x18]
push str.initial_SOCKS5_response
push 0xf
push ebx
push esi
push ebp
call fcn.00512470
add esp, 0x14
test eax, eax
jne 0x512415
cmp dword [esi + 4], eax
jne 0x512413
cmp byte [edi], 5
je 0x511cb3
push str.Received_invalid_version_in_initial_SOCKS5_response.
push ebx
call fcn.004e0f60
add esp, 8
mov eax, 2
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
mov al, byte [edi + 1]
test al, al
je 0x511f25
cmp al, 2
jne 0x511d08
cmp dword [esi], 6
je case.0x511b38.6
mov dword [esi], 6
mov edx, dword [esi + 0x14]
test edx, edx
je 0x511dc8
mov ecx, dword [esi + 0x18]
test ecx, ecx
je 0x511dc8
lea ebp, [edx + 1]
mov al, byte [edx]
inc edx
test al, al
jne 0x511ce6
sub edx, ebp
lea ebp, [ecx + 1]
mov dword [esp + 0x20], edx
mov al, byte [ecx]
inc ecx
test al, al
jne 0x511cf6
sub ecx, ebp
mov dword [esp + 0x24], ecx
jmp 0x511dd2
cmp al, 1
jne 0x511d78
cmp byte [esp + 0x11], 0
je 0x511d52
cmp dword [esi], 5
je 0x511d1e
mov dword [esi], 5
push ebx
push ebp
call fcn.0051f710
add esp, 8
test eax, eax
je 0x511da2
push str.Unable_to_negotiate_SOCKS5_GSS_API_context.
push ebx
call fcn.004e0f60
add esp, 8
mov eax, 4
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
push str.SOCKS5_GSSAPI_per_message_authentication_is_not_supported.
push ebx
call fcn.004e0f60
add esp, 8
mov eax, 5
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
cmp al, 0xff
jne 0x511da2
push str.No_authentication_method_was_acceptable.
push ebx
call fcn.004e0f60
add esp, 8
mov eax, 0xc
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
push str.Undocumented_SOCKS5_mode_attempted_to_be_used_by_server.
push ebx
call fcn.004e0f60
add esp, 8
mov eax, 0x20
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
xor edx, edx
mov dword [esp + 0x20], edx
mov dword [esp + 0x24], edx
mov byte [edi], 1
mov byte [edi + 1], dl
mov eax, dword [esi + 0x14]
test eax, eax
je 0x511e23
test edx, edx
je 0x511e23
cmp edx, 0xff
jbe 0x511e11
push str.Excessive_user_name_length_for_proxy_auth
push ebx
call fcn.004e0f60
add esp, 8
mov eax, 0xb
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
push edx
push eax
lea eax, [edi + 2]
push eax
call fcn.00572480
mov edx, dword [esp + 0x2c]
add esp, 0xc
mov eax, dword [esp + 0x24]
lea ebp, [edx + 2]
mov byte [edi + ebp], al
inc ebp
mov ecx, dword [esi + 0x18]
test ecx, ecx
je 0x511e78
test eax, eax
je 0x511e78
cmp eax, 0xff
jbe 0x511e66
push str.Excessive_password_length_for_proxy_auth
push ebx
call fcn.004e0f60
add esp, 8
mov eax, 0xa
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
push eax
push ecx
lea eax, [edi + ebp]
push eax
call fcn.00572480
mov eax, dword [esp + 0x30]
add esp, 0xc
add ebp, eax
cmp dword [esi], 7
je 0x511e85
mov dword [esi], 7
mov dword [esi + 4], ebp
mov dword [esi + 8], edi
mov ebp, dword [esp + 0x18]
push str.SOCKS5_sub_negotiation_request
push 0x1c
push ebx
push esi
push ebp
call fcn.005124f0
add esp, 0x14
test eax, eax
jne 0x512415
cmp dword [esi + 4], eax
jne 0x512413
cmp dword [esi], 8
mov dword [esi + 8], edi
mov dword [esi + 4], 2
je 0x511ecd
mov dword [esi], 8
jmp 0x511ecd
mov ebp, dword [esp + 0x18]
push str.SOCKS5_sub_negotiation_response
push 0xe
push ebx
push esi
push ebp
call fcn.00512470
add esp, 0x14
test eax, eax
jne 0x512415
cmp dword [esi + 4], eax
jne 0x512413
mov al, byte [edi + 1]
test al, al
je 0x511f25
movzx eax, al
push eax
movzx eax, byte [edi]
push eax
push str.User_was_rejected_by_the_SOCKS5_server___d__d_.
push ebx
call fcn.004e0f60
add esp, 0x10
mov eax, 0x21
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
cmp dword [esi], 9
je case.0x511b38.9
mov dword [esi], 9
cmp byte [esp + 0x12], 5
jne 0x511fd8
lea eax, [esp + 0x14]
push eax
push 1
push dword [esi + 0x10]
push dword [esi + 0xc]
push ebx
call fcn.004e0390
mov ecx, eax
add esp, 0x14
cmp ecx, 0xffffffff
je 0x51204a
mov eax, dword [esi]
cmp ecx, 1
jne 0x511f87
cmp eax, 0xa
je 0x512413
pop edi
mov dword [esi], 0xa
xor eax, eax
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
mov ecx, dword [esp + 0x14]
cmp eax, 0xb
je case.0x511b38.11
mov dword [esi], 0xb
xor ebp, ebp
test ecx, ecx
je 0x511f9e
mov ebp, dword [ecx]
mov cl, byte [ebx + 0x4b8]
mov eax, ebp
test cl, cl
je 0x512062
cmp cl, 1
mov eax, 0x17
cmove eax, dword [esp + 0x2c]
test ebp, ebp
je 0x512068
cmp dword [ebp + 4], eax
je 0x512091
mov ebp, dword [ebp + 0x1c]
test ebp, ebp
jne 0x511fc3
jmp 0x512068
mov word [edi], 0x105
mov byte [edi + 2], 0
jmp 0x512197
push dword [esi + 0x10]
mov eax, dword [esi + 0xc]
push eax
push ebx
call fcn.004dfcb0
mov ecx, eax
add esp, 0xc
mov dword [esp + 0x14], ecx
test ecx, ecx
je 0x512028
mov eax, dword [esp + 0x1c]
mov dword [eax + 0x48], ecx
mov byte [eax + 0x5c], 1
push dword [esi + 0xc]
push str.SOCKS5:_hostname__s_found
push ebx
call fcn.004e1030
mov ecx, dword [esp + 0x20]
add esp, 0xc
test ecx, ecx
jne case.0x511b38.11
lea eax, [esp + 0x14]
push eax
push ebx
call fcn.004e0890
mov ecx, dword [esp + 0x1c]
add esp, 8
test ecx, ecx
jne case.0x511b38.11
test eax, eax
je 0x512413
pop edi
pop esi
pop ebp
mov eax, 0x1b
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
mov ebp, eax
test eax, eax
jne 0x512091
push dword [esi + 0xc]
push str.Failed_to_resolve___s__for_SOCKS5_connect.
push ebx
call fcn.004e0f60
add esp, 0xc
mov eax, 0x1b
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
push 0x2e
lea eax, [esp + 0x44]
push eax
push ebp
call fcn.004e0340
mov word [edi], 0x105
add esp, 0xc
mov byte [edi + 2], 0
mov eax, dword [ebp + 4]
mov dword [esp + 0x20], 3
cmp eax, 2
jne 0x51210a
mov byte [edi + 3], 1
mov ecx, dword [ebp + 0x18]
mov ebp, 8
movzx eax, byte [ecx + 4]
mov byte [edi + 4], al
movzx eax, byte [ecx + 5]
mov byte [edi + 5], al
movzx eax, byte [ecx + 6]
mov byte [edi + 6], al
movzx eax, byte [ecx + 7]
mov byte [edi + 7], al
lea eax, [esp + 0x40]
push dword [esi + 0x10]
push eax
push str.SOCKS5_connect_to__s:_d__locally_resolved_
push ebx
call fcn.004e1030
add esp, 0x10
push dword [esp + 0x14]
push ebx
call fcn.004e0930
add esp, 8
jmp case.0x511b38.13
cmp eax, 0x17
jne 0x512156
mov byte [edi + 3], 4
xor ecx, ecx
mov edx, dword [ebp + 0x18]
lea ebp, [eax - 3]
nop dword [eax + eax]
mov al, byte [edx + ecx + 8]
mov byte [edi + ecx + 4], al
inc ecx
cmp ecx, 0x10
jl 0x512120
push dword [esi + 0x10]
lea eax, [esp + 0x44]
push eax
push str.SOCKS5_connect_to___s_:_d__locally_resolved_
push ebx
call fcn.004e1030
add esp, 0x10
push dword [esp + 0x14]
push ebx
call fcn.004e0930
add esp, 8
jmp case.0x511b38.13
lea eax, [esp + 0x40]
push eax
push str.SOCKS5_connection_to__s_not_supported
push ebx
call fcn.004e0f60
mov ebp, dword [esp + 0x2c]
add esp, 0xc
push dword [esp + 0x14]
push ebx
call fcn.004e0930
add esp, 8
jmp case.0x511b38.13
cmp byte [esp + 0x12], 5
mov ebp, 3
mov word [edi], 0x105
mov byte [edi + 2], cl
je case.0x511b38.13
mov ecx, dword [esp + 0x1c]
mov eax, dword [esi + 0xc]
cmp byte [ecx + 0x1eb], 0
je 0x5121d0
lea ecx, [esp + 0x30]
push ecx
push eax
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
cmp eax, 1
jne 0x5123c3
movups xmm0, xmmword [esp + 0x30]
mov byte [edi + 3], 4
lea ebp, [eax + 0x13]
movups xmmword [edi + 4], xmm0
jmp 0x512216
lea ecx, [esp + 0x20]
push ecx
push eax
push 2
call dword [sym.imp.WS2_32.dll_inet_pton]
cmp eax, 1
jne 0x5121f4
mov byte [edi + 3], al
mov ebp, 8
mov eax, dword [esp + 0x20]
mov dword [edi + 4], eax
jmp 0x512216
mov eax, dword [esp + 0x28]
push eax
mov byte [edi + 3], 3
mov byte [edi + 4], al
lea eax, [edi + 5]
push dword [esi + 0xc]
push eax
call fcn.00572480
mov ebp, dword [esp + 0x34]
add esp, 0xc
add ebp, 5
push dword [esi + 0x10]
push dword [esi + 0xc]
push str.SOCKS5_connect_to__s:_d__remotely_resolved_
push ebx
call fcn.004e1030
add esp, 0x10
mov eax, dword [esi + 0x10]
sar eax, 8
mov byte [edi + ebp], al
mov al, byte [esi + 0x10]
mov byte [edi + ebp + 1], al
mov eax, dword [esp + 0x1c]
cmp dword [eax + 0x454], 0
jne 0x51228f
cmp dword [esi], 0xe
lea eax, [ebp + 2]
mov dword [esi + 8], edi
mov dword [esi + 4], eax
je case.0x511b38.14
mov dword [esi], 0xe
mov ebp, dword [esp + 0x18]
push str.SOCKS5_connect_request
push 0x1e
push ebx
push esi
push ebp
call fcn.005124f0
add esp, 0x14
test eax, eax
jne 0x512415
cmp dword [esi + 4], eax
jne 0x512413
mov eax, dword [esp + 0x1c]
cmp dword [eax + 0x454], 0
je 0x5122b5
push str.SOCKS5_GSS_API_protection_not_yet_implemented.
push ebx
call fcn.004e0f60
add esp, 8
mov eax, 6
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
cmp dword [esi], 0xf
mov dword [esi + 4], 0xa
mov dword [esi + 8], edi
je 0x5122d0
mov dword [esi], 0xf
jmp 0x5122d0
mov ebp, dword [esp + 0x18]
push str.SOCKS5_connect_request_ack
push 0x10
push ebx
push esi
push ebp
call fcn.00512470
add esp, 0x14
test eax, eax
jne 0x512415
cmp dword [esi + 4], eax
jne 0x512413
cmp byte [edi], 5
je 0x51231d
push str.SOCKS5_reply_has_wrong_version__version_should_be_5.
push ebx
call fcn.004e0f60
mov eax, dword [esp + 0x34]
add esp, 8
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
mov al, byte [edi + 1]
test al, al
je 0x51235f
movzx edi, al
mov ebp, 0x19
push edi
push dword [esi + 0xc]
push str.Cant_complete_SOCKS5_connection_to__s.___d_
push ebx
call fcn.004e0f60
add esp, 0x10
cmp edi, 9
jae 0x51234a
mov ebp, dword [edi*4 + 0x5de024]
pop edi
pop esi
mov eax, ebp
pop ebp
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
mov al, byte [edi + 3]
cmp al, 3
jne 0x51236f
movzx eax, byte [edi + 4]
add eax, 7
jmp 0x512383
cmp al, 4
jne 0x51237a
mov eax, 0x16
jmp 0x512383
cmp al, 1
jne 0x5123b5
mov eax, 0xa
mov ecx, dword [esp + 0x1c]
cmp dword [ecx + 0x454], 0
jne 0x5123df
mov ecx, dword [esi]
cmp eax, 0xa
jbe 0x5123b0
add eax, 0xfffffff6
mov dword [esi + 4], eax
lea eax, [edi + 0xa]
mov dword [esi + 8], eax
cmp ecx, 0x10
je 0x5123df
mov dword [esi], 0x10
jmp 0x5123df
cmp ecx, 0x11
jmp 0x5123fd
push str.SOCKS5_reply_has_wrong_address_type.
push ebx
call fcn.004e0f60
add esp, 8
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
mov ecx, dword [esp + 0x60]
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret
mov ebp, dword [esp + 0x18]
push str.SOCKS5_connect_request_address
push 0xd
push ebx
push esi
push ebp
call fcn.00512470
add esp, 0x14
test eax, eax
jne 0x512415
cmp dword [esi + 4], eax
jne 0x512413
cmp dword [esi], 0x11
je case.0x511b38.5
mov dword [esi], 0x11
push str.SOCKS5_request_granted.
push ebx
call fcn.004e1030
add esp, 8
xor eax, eax
mov ecx, dword [esp + 0x70]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0057029b
add esp, 0x64
ret