Function at 0x4c3170
Capabilities:
Convert ip address from string

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x138
mov eax, dword [0x578704]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov dword [ebp - 0x128], eax
push esi
mov eax, dword [eax + 0xc]
mov esi, dword [ebp + 0xc]
mov dword [ebp - 0x134], eax
mov eax, dword [str.unknown]
push edi
mov edi, dword [ebp + 0x10]
mov dword [ebp - 0x114], eax
mov eax, dword [0x53c388]
push 0xf8
mov ebx, dword [edi + 0x8b4]
mov dword [ebp - 0x110], eax
lea eax, [ebp - 0x10c]
push 0
push eax
call fcn.004fb430
mov eax, dword [ebp - 0x134]
add esp, 0xc
mov edx, dword [esi + 0xc]
mov al, byte [eax + 0x80]
cmp al, 5
mov byte [ebp - 0x129], al
lea ecx, [edx + 1]
sete byte [ebp - 0x115]
mov al, byte [edx]
inc edx
test al, al
jne 0x4c31f1
mov al, byte [edi + 0x4a3]
sub edx, ecx
mov byte [ebp - 0x11d], al
xor ecx, ecx
mov eax, dword [esi]
dec eax
mov dword [ebp - 0x138], edx
mov byte [ebp - 0x11e], cl
mov dword [ebp - 0x130], ecx
cmp eax, 0xf
ja case.0x4c3226.5
jmp dword [eax*4 + 0x4c3b80]
mov eax, dword [ebp - 0x134]
cmp byte [eax + 0x1c0], cl
je 0x4c3256
push dword [esi + 0x10]
mov eax, dword [esi + 0xc]
push eax
push str.SOCKS5:_connecting_to_HTTP_proxy__s_port__d
push edi
call fcn.004932b0
mov edx, dword [ebp - 0x138]
add esp, 0x10
cmp byte [ebp - 0x129], 5
je 0x4c327d
cmp edx, 0xff
jbe 0x4c327d
push edx
push str.SOCKS5:_server_resolving_disabled_for_hostnames_of_length___255__actual_len_zu_
push edi
call fcn.004932b0
add esp, 0xc
mov byte [ebp - 0x115], 1
movzx eax, byte [ebp - 0x11d]
test eax, 0xfffffffa
je 0x4c329a
push eax
push str.warning:_unsupported_value_passed_to_CURLOPT_SOCKS5_AUTH:__u
push edi
call fcn.004932b0
add esp, 0xc
mov al, byte [ebp - 0x11d]
test al, 1
jne 0x4c32ab
mov dword [esi + 0x14], 0
shr al, 2
mov ecx, 3
and al, 1
mov byte [ebx], 5
mov byte [ebp - 0x11e], al
mov byte [ebx + 2], 0
je 0x4c32cd
mov byte [ebx + 3], 1
mov ecx, 4
cmp dword [esi + 0x14], 0
je 0x4c32d8
mov byte [ecx + ebx], 2
inc ecx
push str.initial_SOCKS5_request
push 0x1d
push edi
lea eax, [ecx - 2]
push esi
push dword [ebp - 0x128]
mov byte [ebx + 1], al
mov dword [esi + 8], ebx
mov dword [esi + 4], ecx
call fcn.004c3c70
add esp, 0x14
test eax, eax
jne 0x4c3b48
cmp dword [esi + 4], eax
jne 0x4c3b46
cmp dword [esi], 4
je case.0x4c3226.3
mov dword [esi], 4
jmp case.0x4c3226.3
push str.initial_SOCKS5_request
push 0x1d
push edi
push esi
push dword [ebp - 0x128]
call fcn.004c3c70
add esp, 0x14
test eax, eax
jne 0x4c3b48
cmp dword [esi + 4], eax
jne 0x4c3b46
mov dword [esi + 4], 2
mov dword [esi + 8], ebx
push str.initial_SOCKS5_response
push 0xf
push edi
push esi
push dword [ebp - 0x128]
call fcn.004c3bf0
add esp, 0x14
test eax, eax
jne 0x4c3b48
cmp dword [esi + 4], eax
jne 0x4c3b46
cmp byte [ebx], 5
je 0x4c339c
push str.Received_invalid_version_in_initial_SOCKS5_response.
push edi
call fcn.004931f0
add esp, 8
mov eax, 2
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
mov al, byte [ebx + 1]
test al, al
je 0x4c3639
cmp al, 2
jne 0x4c3409
cmp dword [esi], 6
je case.0x4c3226.6
mov dword [esi], 6
mov edx, dword [esi + 0x14]
test edx, edx
je 0x4c34cc
mov ecx, dword [esi + 0x18]
test ecx, ecx
je 0x4c34cc
lea eax, [edx + 1]
mov dword [ebp - 0x124], eax
mov al, byte [edx]
inc edx
test al, al
jne 0x4c33d5
sub edx, dword [ebp - 0x124]
lea eax, [ecx + 1]
mov dword [ebp - 0x124], edx
mov dword [ebp - 0x11c], eax
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c33f1
sub ecx, dword [ebp - 0x11c]
mov dword [ebp - 0x11c], ecx
jmp 0x4c34da
cmp byte [ebp - 0x11e], 0
je 0x4c3458
cmp al, 1
jne 0x4c3480
cmp dword [esi], 5
je 0x4c3421
mov dword [esi], 5
push edi
push dword [ebp - 0x128]
call fcn.004cfa60
add esp, 8
test eax, eax
je 0x4c34a8
push str.Unable_to_negotiate_SOCKS5_GSS_API_context.
push edi
call fcn.004931f0
add esp, 8
mov eax, 4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
cmp al, 1
jne 0x4c3480
push str.SOCKS5_GSSAPI_per_message_authentication_is_not_supported.
push edi
call fcn.004931f0
add esp, 8
mov eax, 5
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
cmp al, 0xff
jne 0x4c34a8
push str.No_authentication_method_was_acceptable.
push edi
call fcn.004931f0
add esp, 8
mov eax, 0xc
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
push str.Undocumented_SOCKS5_mode_attempted_to_be_used_by_server.
push edi
call fcn.004931f0
add esp, 8
mov eax, 0x20
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
xor edx, edx
mov dword [ebp - 0x124], edx
mov dword [ebp - 0x11c], edx
mov byte [ebx], 1
mov byte [ebx + 1], dl
mov eax, dword [esi + 0x14]
test eax, eax
je 0x4c352b
test edx, edx
je 0x4c352b
cmp edx, 0xff
jbe 0x4c3517
push str.Excessive_user_name_length_for_proxy_auth
push edi
call fcn.004931f0
add esp, 8
mov eax, 0xb
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
push edx
push eax
lea eax, [ebx + 2]
push eax
call fcn.004faeb0
mov edx, dword [ebp - 0x124]
add esp, 0xc
mov eax, dword [ebp - 0x11c]
lea ecx, [edx + 2]
mov byte [ecx + ebx], al
inc ecx
mov edx, dword [esi + 0x18]
mov dword [ebp - 0x124], ecx
test edx, edx
je 0x4c358e
test eax, eax
je 0x4c358e
cmp eax, 0xff
jbe 0x4c3574
push str.Excessive_password_length_for_proxy_auth
push edi
call fcn.004931f0
add esp, 8
mov eax, 0xa
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
push eax
push edx
lea eax, [ecx + ebx]
push eax
call fcn.004faeb0
mov eax, dword [ebp - 0x11c]
add esp, 0xc
mov ecx, dword [ebp - 0x124]
add ecx, eax
cmp dword [esi], 7
je 0x4c359b
mov dword [esi], 7
mov dword [esi + 4], ecx
mov dword [esi + 8], ebx
push str.SOCKS5_sub_negotiation_request
push 0x1c
push edi
push esi
push dword [ebp - 0x128]
call fcn.004c3c70
add esp, 0x14
test eax, eax
jne 0x4c3b48
cmp dword [esi + 4], eax
jne 0x4c3b46
cmp dword [esi], 8
mov dword [esi + 8], ebx
mov dword [esi + 4], 2
je case.0x4c3226.8
mov dword [esi], 8
push str.SOCKS5_sub_negotiation_response
push 0xe
push edi
push esi
push dword [ebp - 0x128]
call fcn.004c3bf0
add esp, 0x14
test eax, eax
jne 0x4c3b48
cmp dword [esi + 4], eax
jne 0x4c3b46
mov al, byte [ebx + 1]
test al, al
je 0x4c3639
movzx eax, al
push eax
movzx eax, byte [ebx]
push eax
push str.User_was_rejected_by_the_SOCKS5_server___d__d_.
push edi
call fcn.004931f0
add esp, 0x10
mov eax, 0x21
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
cmp dword [esi], 9
je case.0x4c3226.9
mov dword [esi], 9
mov al, byte [ebp - 0x115]
test al, al
je 0x4c38ad
lea eax, [ebp - 0x130]
push eax
push 1
push dword [esi + 0x10]
push dword [esi + 0xc]
push edi
call fcn.00498650
add esp, 0x14
cmp eax, 0xffffffff
je 0x4c3891
cmp eax, 1
jne 0x4c369a
cmp dword [esi], 0xa
je 0x4c3b46
pop edi
mov dword [esi], 0xa
xor eax, eax
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
cmp dword [esi], 0xb
je 0x4c36a5
mov dword [esi], 0xb
mov ecx, dword [ebp - 0x130]
test ecx, ecx
je case.0x4c3226.11
mov eax, dword [ecx]
mov dword [ebp - 0x124], eax
test eax, eax
je case.0x4c3226.11
push 0x100
lea ecx, [ebp - 0x114]
push ecx
push eax
call fcn.00498600
lea ecx, [ebp - 0x114]
add esp, 0xc
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c36e1
push dword [esi + 0x10]
sub ecx, edx
mov eax, 0x100
sub eax, ecx
push 0x546704
push eax
lea eax, [ebp - 0x114]
add eax, ecx
push eax
call sym.Setup.exe_curl_msnprintf
mov eax, dword [ebp - 0x124]
add esp, 0x10
mov word [ebx], 0x105
mov byte [ebx + 2], 0
mov dword [ebp - 0x11c], 3
mov ecx, dword [eax + 4]
cmp ecx, 2
jne 0x4c3802
mov byte [ebx + 3], 1
mov ecx, dword [eax + 0x18]
mov dword [ebp - 0x11c], 8
movzx eax, byte [ecx + 4]
mov byte [ebx + 4], al
movzx eax, byte [ecx + 5]
mov byte [ebx + 5], al
movzx eax, byte [ecx + 6]
mov byte [ebx + 6], al
movzx eax, byte [ecx + 7]
mov byte [ebx + 7], al
lea eax, [ebp - 0x114]
push eax
push str.SOCKS5_connect_to_IPv4__s__locally_resolved_
push edi
call fcn.004932b0
add esp, 0xc
push dword [ebp - 0x130]
push edi
call fcn.004989c0
add esp, 8
jmp 0x4c3971
push dword [esi + 0x10]
mov eax, dword [esi + 0xc]
push eax
push edi
call fcn.00497ef0
add esp, 0xc
mov dword [ebp - 0x130], eax
test eax, eax
je 0x4c37cc
mov dword [edi + 0x980], eax
mov byte [edi + 0x994], 1
push dword [esi + 0xc]
push str.SOCKS5:_hostname__s_found
push edi
call fcn.004932b0
mov ecx, dword [ebp - 0x130]
add esp, 0xc
test ecx, ecx
jne 0x4c36b3
lea eax, [ebp - 0x130]
push eax
push edi
call fcn.00498930
mov ecx, dword [ebp - 0x130]
add esp, 8
test ecx, ecx
jne 0x4c36b3
neg eax
pop edi
sbb eax, eax
pop esi
and eax, 0x1b
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
cmp ecx, 0x17
jne 0x4c3857
mov byte [ebx + 3], 4
xor ecx, ecx
mov edx, dword [eax + 0x18]
mov dword [ebp - 0x11c], 0x14
nop word [eax + eax]
mov al, byte [edx + ecx + 8]
mov byte [ebx + ecx + 4], al
inc ecx
cmp ecx, 0x10
jl 0x4c3820
lea eax, [ebp - 0x114]
push eax
push str.SOCKS5_connect_to_IPv6__s__locally_resolved_
push edi
call fcn.004932b0
add esp, 0xc
push dword [ebp - 0x130]
push edi
call fcn.004989c0
add esp, 8
jmp 0x4c3971
lea eax, [ebp - 0x114]
push eax
push str.SOCKS5_connection_to__s_not_supported
push edi
call fcn.004931f0
add esp, 0xc
push dword [ebp - 0x130]
push edi
call fcn.004989c0
add esp, 8
jmp 0x4c3971
push dword [esi + 0xc]
push str.Failed_to_resolve___s__for_SOCKS5_connect.
push edi
call fcn.004931f0
add esp, 0xc
pop edi
pop esi
mov eax, 0x1b
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
mov al, byte [ebp - 0x115]
mov word [ebx], 0x105
mov ecx, 3
mov byte [ebx + 2], 0
test al, al
jne case.0x4c3226.13
mov eax, dword [ebp - 0x134]
cmp byte [eax + 0x1cb], 0
je 0x4c3902
lea eax, [ebp - 0x14]
push eax
push dword [esi + 0xc]
push 0x17
call dword [sym.imp.WS2_32.dll_inet_pton]
cmp eax, 1
jne 0x4c3b67
movups xmm0, xmmword [ebp - 0x14]
mov byte [ebx + 3], 4
mov dword [ebp - 0x11c], 0x14
movups xmmword [ebx + 4], xmm0
jmp 0x4c395d
lea eax, [ebp - 0x124]
push eax
push dword [esi + 0xc]
push 2
call dword [sym.imp.WS2_32.dll_inet_pton]
cmp eax, 1
jne 0x4c3931
mov byte [ebx + 3], al
mov eax, dword [ebp - 0x124]
mov dword [ebx + 4], eax
mov dword [ebp - 0x11c], 8
jmp 0x4c395d
mov eax, dword [ebp - 0x138]
push eax
mov byte [ebx + 3], 3
mov byte [ebx + 4], al
lea eax, [ebx + 5]
push dword [esi + 0xc]
push eax
call fcn.004faeb0
mov eax, dword [ebp - 0x138]
add esp, 0xc
add eax, 5
mov dword [ebp - 0x11c], eax
push dword [esi + 0x10]
push dword [esi + 0xc]
push str.SOCKS5_connect_to__s:_d__remotely_resolved_
push edi
call fcn.004932b0
add esp, 0x10
mov ecx, dword [ebp - 0x11c]
mov eax, dword [esi + 0x10]
sar eax, 8
mov byte [ecx + ebx], al
mov al, byte [esi + 0x10]
mov byte [ecx + ebx + 1], al
mov eax, dword [ebp - 0x134]
cmp dword [eax + 0x434], 0
je 0x4c39ba
push str.SOCKS5_GSS_API_protection_not_yet_implemented.
push edi
call fcn.004931f0
add esp, 8
mov eax, 6
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
cmp dword [esi], 0xe
lea eax, [ecx + 2]
mov dword [esi + 8], ebx
mov dword [esi + 4], eax
je case.0x4c3226.14
mov dword [esi], 0xe
push str.SOCKS5_connect_request
push 0x1e
push edi
push esi
push dword [ebp - 0x128]
call fcn.004c3c70
add esp, 0x14
test eax, eax
jne 0x4c3b48
cmp dword [esi + 4], eax
jne 0x4c3b46
mov eax, dword [ebp - 0x134]
cmp dword [eax + 0x434], 0
jne 0x4c3996
cmp dword [esi], 0xf
mov dword [esi + 4], 0xa
mov dword [esi + 8], ebx
je case.0x4c3226.15
mov dword [esi], 0xf
push str.SOCKS5_connect_request_ack
push 0x10
push edi
push esi
push dword [ebp - 0x128]
call fcn.004c3bf0
add esp, 0x14
test eax, eax
jne 0x4c3b48
cmp dword [esi + 4], eax
jne 0x4c3b46
cmp byte [ebx], 5
je 0x4c3a6b
push str.SOCKS5_reply_has_wrong_version__version_should_be_5.
push edi
call fcn.004931f0
add esp, 8
mov eax, 2
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
mov al, byte [ebx + 1]
test al, al
je 0x4c3aba
movzx ebx, al
push ebx
push dword [esi + 0xc]
push str.Cant_complete_SOCKS5_connection_to__s.___d_
push edi
call fcn.004931f0
add esp, 0x10
cmp ebx, 9
jae 0x4c3aa4
mov eax, dword [ebx*4 + 0x5463d4]
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
pop edi
pop esi
mov eax, 0x19
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
mov al, byte [ebx + 3]
cmp al, 3
jne 0x4c3aca
movzx eax, byte [ebx + 4]
add eax, 7
jmp 0x4c3ae2
cmp al, 4
jne 0x4c3ad5
mov eax, 0x16
jmp 0x4c3ae2
cmp al, 1
jne 0x4c3b59
mov eax, 0xa
mov ecx, dword [ebp - 0x134]
cmp dword [ecx + 0x434], 0
jne case.0x4c3226.16
cmp eax, 0xa
jbe 0x4c3b2d
add eax, 0xfffffff6
cmp dword [esi], 0x10
mov dword [esi + 4], eax
lea eax, [ebx + 0xa]
mov dword [esi + 8], eax
je case.0x4c3226.16
mov dword [esi], 0x10
push str.SOCKS5_connect_request_address
push 0xd
push edi
push esi
push dword [ebp - 0x128]
call fcn.004c3bf0
add esp, 0x14
test eax, eax
jne 0x4c3b48
cmp dword [esi + 4], eax
jne 0x4c3b46
cmp dword [esi], 0x11
je case.0x4c3226.5
mov dword [esi], 0x11
push str.SOCKS5_request_granted.
push edi
call fcn.004932b0
add esp, 8
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e1d28
mov esp, ebp
pop ebp
ret
push str.SOCKS5_reply_has_wrong_address_type.
push edi
call fcn.004931f0
add esp, 8
mov ecx, dword [ebp - 4]
mov eax, 1
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004e1d28
mov esp, ebp
pop ebp
ret