Function at 0x4721ac
Capabilities:
Check http status code
Connect to http server
Create http request
Download and write a file
Get http content length
Read data from internet
Receive and write data from server to client
Receive data
Send data
Send http request
Write file on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffbc
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x44], ebx
mov dword [ebp - 0x40], ebx
mov dword [ebp - 0x3c], ebx
mov dword [ebp - 0x38], ebx
mov dword [ebp - 0x34], ebx
mov dword [ebp - 0x10], ebx
mov dword [ebp - 4], ebx
mov dword [ebp - 8], ecx
mov edi, edx
mov esi, eax
xor eax, eax
push ebp
push 0x47289b
push dword fs:[eax]
mov dword fs:[eax], esp
xor eax, eax
mov dword [ebp - 0xc], eax
lea eax, [esi + 0x48]
call fcn.00404aa8
mov dword [esi + 0x54], 0x3e7
mov dword [esi + 0x58], 0x3e7
mov dword [esi + 0x50], 0xffffffff
cmp dword [esi + 0x40], 0
je 0x47221c
mov edx, dword [esi + 0x40]
mov eax, dword [esi + 0x10]
call fcn.00467d1c
lea eax, [esi + 0x40]
call fcn.00404aa8
mov edx, edi
mov eax, dword [esi + 0x10]
call fcn.00467d1c
test al, al
je 0x47286a
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 8]
mov edx, dword [esi + 0x10]
mov edx, dword [edx + 0x1c]
call fcn.00404ec4
jne 0x472255
mov eax, dword [esi + 0x10]
mov ax, word [eax + 0xc]
mov edx, dword [esi + 0x10]
cmp ax, word [edx + 0xe]
je 0x47232e
mov eax, esi
call fcn.00472c80
push 0
push 0
push 0
push 0
mov eax, dword [esi + 0x2c]
call fcn.00404f78
push eax
call sub.wininet.dll_InternetOpenA
mov dword [esi + 0x18], eax
cmp dword [esi + 0x18], 0
jne 0x472287
mov dword [esi + 0x58], 0x37a
jmp 0x4727e9
push 0x471324
mov eax, dword [esi + 0x18]
push eax
call sub.wininet.dll_InternetSetStatusCallback
cmp byte [esi + 0x78], 0
je 0x4722de
push 0x471324
push 0
push 3
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x14]
call fcn.00404f78
push eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x10]
call fcn.00404f78
push eax
mov eax, dword [esi + 0x10]
mov ax, word [eax + 0xc]
push eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 8]
call fcn.00404f78
push eax
mov eax, dword [esi + 0x18]
push eax
call sub.wininet.dll_InternetConnectA
mov dword [esi + 0x1c], eax
jmp 0x47231c
push 0x471324
push 0
push 3
mov eax, dword [esi + 0x80]
call fcn.00404f78
push eax
mov eax, dword [esi + 0x7c]
call fcn.00404f78
push eax
mov eax, dword [esi + 0x10]
mov ax, word [eax + 0xc]
push eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 8]
call fcn.00404f78
push eax
mov eax, dword [esi + 0x18]
push eax
call sub.wininet.dll_InternetConnectA
mov dword [esi + 0x1c], eax
cmp dword [esi + 0x1c], 0
jne 0x47232e
mov dword [esi + 0x58], 0x384
jmp 0x4727e9
imul eax, dword [esi + 0x4c], 0x3e8
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x14]
push eax
push 2
mov eax, dword [esi + 0x1c]
push eax
call sub.wininet.dll_InternetQueryOptionA
push 4
lea eax, [ebp - 0x14]
push eax
push 2
mov eax, dword [esi + 0x1c]
push eax
call sub.wininet.dll_InternetSetOptionA
push 4
lea eax, [ebp - 0x14]
push eax
push 6
mov eax, dword [esi + 0x1c]
push eax
call sub.wininet.dll_InternetSetOptionA
cmp byte [esi + 0x14], 0
je 0x472382
lea eax, [ebp - 0x10]
mov edx, 0x4728b8
call fcn.00404b40
jmp 0x4723a4
cmp dword [ebp - 8], 0
jne 0x472397
lea eax, [ebp - 0x10]
mov edx, 0x4728c8
call fcn.00404b40
jmp 0x4723a4
lea eax, [ebp - 0x10]
mov edx, 0x4728b8
call fcn.00404b40
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 4]
mov edx, 0x4728d4
call fcn.00404ec4
jne 0x4723bf
mov dword [ebp - 0x2c], 0x80f000
jmp 0x4723c4
xor eax, eax
mov dword [ebp - 0x2c], eax
or dword [ebp - 0x2c], 0x80000000
cmp dword [esi + 8], 0
je 0x4723d8
or dword [ebp - 0x2c], 0x80000
cmp byte [esi + 0x24], 0
jne 0x4723e5
or dword [ebp - 0x2c], 0x4000000
cmp byte [esi + 4], 0
je 0x4723f2
or dword [ebp - 0x2c], 0x400000
cmp byte [esi + 5], 0
jne 0x4723ff
or dword [ebp - 0x2c], 0x200000
mov eax, dword [esi + 0x84]
mov dword [ebp - 0x30], eax
dec dword [ebp - 0x30]
push 0x471324
mov eax, dword [ebp - 0x2c]
push eax
lea eax, [esi + 0x28]
push eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x20]
call fcn.00404f78
push eax
mov eax, dword [esi + 0x30]
call fcn.00404f78
push eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x18]
call fcn.00404f78
push eax
mov eax, dword [ebp - 0x10]
call fcn.00404f78
push eax
mov eax, dword [esi + 0x1c]
push eax
call sub.wininet.dll_HttpOpenRequestA
mov dword [esi + 0x20], eax
cmp dword [esi + 0x20], 0
jne 0x472460
mov dword [esi + 0x58], 0x38e
jmp 0x472506
lea edx, [ebp - 0x34]
mov eax, dword [esi + 0x20]
call fcn.0047130c
mov edx, dword [ebp - 0x34]
mov eax, dword [0x4a80dc]
call fcn.0047114c
test eax, eax
jne 0x472496
lea edx, [ebp - 0x38]
mov eax, dword [esi + 0x20]
call fcn.0047130c
mov edx, dword [ebp - 0x38]
mov ecx, esi
mov eax, dword [0x4a80dc]
call fcn.00471020
mov edx, dword [esi + 0x20]
mov eax, esi
call fcn.00473024
mov eax, dword [ebp - 0x10]
mov edx, 0x4728c8
call fcn.00404ec4
jne 0x4724c8
push 0
push 0
push 0
push 0
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_HttpSendRequestA
cmp eax, 1
sbb ebx, ebx
inc ebx
jmp 0x4724ed
mov eax, dword [ebp - 8]
call fcn.00404d78
push eax
mov eax, dword [ebp - 8]
call fcn.00404f78
push eax
push 0
push 0
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_HttpSendRequestA
cmp eax, 1
sbb ebx, ebx
inc ebx
cmp dword [ebp - 0x30], 1
jl 0x472506
test bl, bl
jne 0x4724fe
push 0x64
call sub.kernel32.dll_Sleep_1
test bl, bl
je 0x472408
test bl, bl
jne 0x472516
mov dword [esi + 0x58], 0x398
jmp 0x4727e9
mov edx, dword [esi + 0x20]
mov eax, esi
call fcn.00472d90
cmp dword [esi + 8], 0
je 0x47253a
lea edx, [ebp - 0x3c]
mov eax, esi
call fcn.00472d7c
mov edx, dword [ebp - 0x3c]
mov eax, esi
call fcn.00472e80
xor eax, eax
mov dword [ebp - 0x14], eax
xor eax, eax
mov dword [ebp - 0x18], eax
xor eax, eax
mov dword [ebp - 0x1c], eax
lea eax, [ebp - 0x1c]
push eax
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x14]
push eax
push 0x20000013
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_HttpQueryInfoA
cmp eax, 1
sbb ebx, ebx
inc ebx
test bl, bl
jne 0x47259e
call sub.kernel32.dll_GetLastError_1
cmp eax, 0x7a
jne 0x47259e
mov dword [ebp - 0x18], 4
lea eax, [ebp - 0x1c]
push eax
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x14]
push eax
push 0x20000013
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_HttpQueryInfoA
cmp eax, 1
sbb ebx, ebx
inc ebx
mov eax, dword [ebp - 0x14]
mov dword [esi + 0x54], eax
test bl, bl
je 0x4725ba
cmp dword [ebp - 0x14], 0xc8
jb 0x4725ba
cmp dword [ebp - 0x14], 0x12b
jbe 0x4725c6
mov dword [esi + 0x58], 0x3a2
jmp 0x4727e9
xor eax, eax
mov dword [ebp - 0x14], eax
xor eax, eax
mov dword [ebp - 0x18], eax
xor eax, eax
mov dword [ebp - 0x1c], eax
lea eax, [ebp - 0x1c]
push eax
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x14]
push eax
push 0x20000005
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_HttpQueryInfoA
cmp eax, 1
sbb ebx, ebx
inc ebx
test bl, bl
jne 0x47262a
call sub.kernel32.dll_GetLastError_1
cmp eax, 0x7a
jne 0x47262a
mov dword [ebp - 0x18], 4
lea eax, [ebp - 0x1c]
push eax
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x14]
push eax
push 0x20000005
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_HttpQueryInfoA
mov eax, dword [ebp - 0x14]
mov dword [esi + 0x50], eax
mov dword [ebp - 0x18], 0x1000
mov eax, dword [ebp - 0x18]
push eax
lea eax, [ebp - 4]
mov ecx, 1
mov edx, dword [0x472178]
call fcn.0040605c
add esp, 4
cmp dword [ebp + 0xc], 0
je 0x472683
push 0
push 0x20
push 2
push 0
push 0
push 0x40000000
mov eax, dword [ebp + 0xc]
call fcn.00404f78
push eax
call sub.kernel32.dll_CreateFileA_1
mov dword [ebp - 0x20], eax
cmp dword [ebp - 0x20], 0xffffffff
jne 0x472683
mov dword [esi + 0x58], 0x3ac
jmp 0x4727e9
lea eax, [esi + 0x48]
call fcn.00404aa8
xor eax, eax
mov dword [ebp - 0x28], eax
mov eax, dword [ebp - 4]
call fcn.00405e80
mov edx, eax
mov eax, dword [ebp - 4]
xor ecx, ecx
call fcn.00403618
lea eax, [ebp - 0x1c]
push eax
mov eax, dword [ebp - 0x18]
push eax
mov eax, dword [ebp - 4]
push eax
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_InternetReadFile
cmp eax, 1
sbb ebx, ebx
inc ebx
test bl, bl
jne 0x4726cf
mov dword [esi + 0x58], 0x3b6
jmp 0x472795
cmp dword [ebp - 0x1c], 0
jne 0x4726e1
mov dword [esi + 0x58], 0x3b7
jmp 0x472795
lea eax, [ebp - 0x40]
push eax
mov ecx, dword [ebp - 0x1c]
mov edx, 1
mov eax, dword [ebp - 4]
call fcn.00404fd8
mov edx, dword [ebp - 0x40]
lea eax, [esi + 0x48]
call fcn.00404d80
cmp dword [ebp + 0xc], 0
je 0x472755
push 0
lea eax, [ebp - 0x24]
push eax
mov eax, dword [ebp - 0x1c]
push eax
mov eax, dword [ebp - 4]
push eax
mov eax, dword [ebp - 0x20]
push eax
call sub.kernel32.dll_WriteFile_1
mov eax, dword [ebp - 0x24]
add dword [ebp - 0x28], eax
cmp dword [esi + 0x5c], 0
je 0x472735
mov ecx, dword [ebp - 0x14]
mov edx, dword [ebp - 0x28]
mov eax, dword [ebp - 0x24]
call dword [esi + 0x5c]
cmp word [esi + 0x62], 0
je 0x472690
mov eax, dword [ebp - 0x14]
push eax
mov ecx, dword [ebp - 0x28]
mov edx, dword [ebp - 0x24]
mov eax, dword [esi + 0x64]
call dword [esi + 0x60]
jmp 0x472690
cmp dword [esi + 0x5c], 0
je 0x47276e
mov eax, dword [esi + 0x48]
call fcn.00404d78
mov edx, eax
mov ecx, dword [ebp - 0x14]
mov eax, dword [ebp - 0x1c]
call dword [esi + 0x5c]
cmp word [esi + 0x62], 0
je 0x472690
mov eax, dword [ebp - 0x14]
push eax
mov eax, dword [esi + 0x48]
call fcn.00404d78
mov ecx, eax
mov edx, dword [ebp - 0x1c]
mov eax, dword [esi + 0x64]
call dword [esi + 0x60]
jmp 0x472690
cmp dword [ebp + 0xc], 0
je 0x4727a4
mov eax, dword [ebp - 0x20]
push eax
call sub.kernel32.dll_CloseHandle_1
cmp dword [ebp - 0x14], 0
jbe 0x4727d4
cmp dword [ebp + 0xc], 0
jne 0x4727c5
mov eax, dword [esi + 0x48]
call fcn.00404d78
test eax, eax
jle 0x4727db
mov dword [ebp - 0xc], 0xffffffff
jmp 0x4727db
cmp dword [ebp - 0x28], 0
jbe 0x4727db
mov dword [ebp - 0xc], 0xffffffff
jmp 0x4727db
mov dword [ebp - 0xc], 0xffffffff
cmp dword [esi + 0x58], 0x3b7
jne 0x4727e9
xor eax, eax
mov dword [esi + 0x58], eax
mov eax, dword [ebp - 4]
call fcn.00405e80
test eax, eax
jle 0x472809
mov eax, dword [ebp - 4]
call fcn.00405e80
mov edx, eax
mov eax, dword [ebp - 4]
xor ecx, ecx
call fcn.00403618
push 0
lea eax, [ebp - 4]
mov ecx, 1
mov edx, dword [0x472178]
call fcn.0040605c
add esp, 4
lea edx, [ebp - 0x44]
mov eax, dword [esi + 0x20]
call fcn.0047130c
mov edx, dword [ebp - 0x44]
mov eax, dword [0x4a80dc]
call fcn.004711b8
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_InternetCloseHandle
cmp dword [ebp - 0xc], 0
je 0x47286a
cmp dword [esi + 0x68], 0
je 0x472857
lea edx, [esi + 0x48]
mov eax, dword [esi + 0x48]
call dword [esi + 0x68]
cmp word [esi + 0x72], 0
je 0x47286a
lea ecx, [esi + 0x48]
mov edx, dword [esi + 0x48]
mov eax, dword [esi + 0x74]
call dword [esi + 0x70]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4728a2
lea eax, [ebp - 0x44]
mov edx, 5
call fcn.00404acc
lea eax, [ebp - 0x10]
call fcn.00404aa8
lea eax, [ebp - 4]
mov edx, dword [0x472178]
call fcn.00406068
ret