Function at 0x478fcc
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 0x4796d1
push dword fs:[eax]
mov dword fs:[eax], esp
xor eax, eax
mov dword [ebp - 0xc], eax
lea eax, [esi + 0x48]
call fcn.00404c68
mov dword [esi + 0x54], 0x3e7
mov dword [esi + 0x58], 0x3e7
mov dword [esi + 0x50], 0xffffffff
cmp dword [esi + 0x40], 0
je 0x47903c
mov edx, dword [esi + 0x40]
mov eax, dword [esi + 0x10]
call fcn.004751cc
lea eax, [esi + 0x40]
call fcn.00404c68
mov edx, edi
mov eax, dword [esi + 0x10]
call fcn.004751cc
test al, al
je 0x4796a0
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 8]
mov edx, dword [esi + 0x10]
mov edx, dword [edx + 0x1c]
call fcn.00405084
jne 0x479075
mov eax, dword [esi + 0x10]
mov ax, word [eax + 0xc]
mov edx, dword [esi + 0x10]
cmp ax, word [edx + 0xe]
je 0x47914e
mov eax, esi
call fcn.00479ab4
push 0
push 0
push 0
push 0
mov eax, dword [esi + 0x2c]
call fcn.00405138
push eax
call sub.wininet.dll_InternetOpenA
mov dword [esi + 0x18], eax
cmp dword [esi + 0x18], 0
jne 0x4790a7
mov dword [esi + 0x58], 0x37a
jmp 0x47961f
push 0x478144
mov eax, dword [esi + 0x18]
push eax
call sub.wininet.dll_InternetSetStatusCallback
cmp byte [esi + 0x78], 0
je 0x4790fe
push 0x478144
push 0
push 3
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x14]
call fcn.00405138
push eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x10]
call fcn.00405138
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.00405138
push eax
mov eax, dword [esi + 0x18]
push eax
call sub.wininet.dll_InternetConnectA
mov dword [esi + 0x1c], eax
jmp 0x47913c
push 0x478144
push 0
push 3
mov eax, dword [esi + 0x80]
call fcn.00405138
push eax
mov eax, dword [esi + 0x7c]
call fcn.00405138
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.00405138
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 0x47914e
mov dword [esi + 0x58], 0x384
jmp 0x47961f
imul eax, dword [esi + 0x4c], 0x3e8
jno 0x47915c
call fcn.00403e18
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 0x4791a9
lea eax, [ebp - 0x10]
mov edx, 0x4796ec
call fcn.00404d00
jmp 0x4791cb
cmp dword [ebp - 8], 0
jne 0x4791be
lea eax, [ebp - 0x10]
mov edx, 0x4796fc
call fcn.00404d00
jmp 0x4791cb
lea eax, [ebp - 0x10]
mov edx, 0x4796ec
call fcn.00404d00
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 4]
mov edx, 0x479708
call fcn.00405084
jne 0x4791e6
mov dword [ebp - 0x2c], 0x80f000
jmp 0x4791eb
xor eax, eax
mov dword [ebp - 0x2c], eax
or dword [ebp - 0x2c], 0x80000000
cmp dword [esi + 8], 0
je 0x4791ff
or dword [ebp - 0x2c], 0x80000
cmp byte [esi + 0x24], 0
jne 0x47920c
or dword [ebp - 0x2c], 0x4000000
cmp byte [esi + 4], 0
je 0x479219
or dword [ebp - 0x2c], 0x400000
cmp byte [esi + 5], 0
jne 0x479226
or dword [ebp - 0x2c], 0x200000
mov eax, dword [esi + 0x84]
mov dword [ebp - 0x30], eax
sub dword [ebp - 0x30], 1
jno 0x47923a
call fcn.00403e18
push 0x478144
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.00405138
push eax
mov eax, dword [esi + 0x30]
call fcn.00405138
push eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x18]
call fcn.00405138
push eax
mov eax, dword [ebp - 0x10]
call fcn.00405138
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 0x47928f
mov dword [esi + 0x58], 0x38e
jmp 0x479335
lea edx, [ebp - 0x34]
mov eax, dword [esi + 0x20]
call fcn.0047812c
mov edx, dword [ebp - 0x34]
mov eax, dword [0x48a108]
call fcn.00477f6c
test eax, eax
jne 0x4792c5
lea edx, [ebp - 0x38]
mov eax, dword [esi + 0x20]
call fcn.0047812c
mov edx, dword [ebp - 0x38]
mov ecx, esi
mov eax, dword [0x48a108]
call fcn.00477e40
mov edx, dword [esi + 0x20]
mov eax, esi
call fcn.00479e74
mov eax, dword [ebp - 0x10]
mov edx, 0x4796fc
call fcn.00405084
jne 0x4792f7
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 0x47931c
mov eax, dword [ebp - 8]
call fcn.00404f38
push eax
mov eax, dword [ebp - 8]
call fcn.00405138
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 0x479335
test bl, bl
jne 0x47932d
push 0x64
call sub.kernel32.dll_Sleep_1
test bl, bl
je 0x47922f
test bl, bl
jne 0x479345
mov dword [esi + 0x58], 0x398
jmp 0x47961f
mov edx, dword [esi + 0x20]
mov eax, esi
call fcn.00479bc4
cmp dword [esi + 8], 0
je 0x479369
lea edx, [ebp - 0x3c]
mov eax, esi
call fcn.00479bb0
mov edx, dword [ebp - 0x3c]
mov eax, esi
call fcn.00479cbc
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 0x4793cd
call sub.kernel32.dll_GetLastError_1
cmp eax, 0x7a
jne 0x4793cd
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 0x4793e9
cmp dword [ebp - 0x14], 0xc8
jb 0x4793e9
cmp dword [ebp - 0x14], 0x12b
jbe 0x4793f5
mov dword [esi + 0x58], 0x3a2
jmp 0x47961f
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 0x479459
call sub.kernel32.dll_GetLastError_1
cmp eax, 0x7a
jne 0x479459
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 [0x478f98]
call fcn.0040615c
add esp, 4
cmp dword [ebp + 0xc], 0
je 0x4794b2
push 0
push 0x20
push 2
push 0
push 0
push 0x40000000
mov eax, dword [ebp + 0xc]
call fcn.00405138
push eax
call sub.kernel32.dll_CreateFileA_1
mov dword [ebp - 0x20], eax
cmp dword [ebp - 0x20], 0xffffffff
jne 0x4794b2
mov dword [esi + 0x58], 0x3ac
jmp 0x47961f
lea eax, [esi + 0x48]
call fcn.00404c68
xor eax, eax
mov dword [ebp - 0x28], eax
mov eax, dword [ebp - 4]
call fcn.00405f80
mov edx, eax
mov eax, dword [ebp - 4]
xor ecx, ecx
call fcn.00403668
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 0x4794fe
mov dword [esi + 0x58], 0x3b6
jmp 0x4795cb
cmp dword [ebp - 0x1c], 0
jne 0x479510
mov dword [esi + 0x58], 0x3b7
jmp 0x4795cb
lea eax, [ebp - 0x40]
push eax
mov ecx, dword [ebp - 0x1c]
mov edx, 1
mov eax, dword [ebp - 4]
call fcn.00405198
mov edx, dword [ebp - 0x40]
lea eax, [esi + 0x48]
call fcn.00404f40
cmp dword [ebp + 0xc], 0
je 0x47958b
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
jae 0x479559
call fcn.00403e18
cmp dword [esi + 0x5c], 0
je 0x47956b
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 0x4794bf
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 0x4794bf
cmp dword [esi + 0x5c], 0
je 0x4795a4
mov eax, dword [esi + 0x48]
call fcn.00404f38
mov edx, eax
mov ecx, dword [ebp - 0x14]
mov eax, dword [ebp - 0x1c]
call dword [esi + 0x5c]
cmp word [esi + 0x62], 0
je 0x4794bf
mov eax, dword [ebp - 0x14]
push eax
mov eax, dword [esi + 0x48]
call fcn.00404f38
mov ecx, eax
mov edx, dword [ebp - 0x1c]
mov eax, dword [esi + 0x64]
call dword [esi + 0x60]
jmp 0x4794bf
cmp dword [ebp + 0xc], 0
je 0x4795da
mov eax, dword [ebp - 0x20]
push eax
call sub.kernel32.dll_CloseHandle_1
cmp dword [ebp - 0x14], 0
jbe 0x47960a
cmp dword [ebp + 0xc], 0
jne 0x4795fb
mov eax, dword [esi + 0x48]
call fcn.00404f38
test eax, eax
jle 0x479611
mov dword [ebp - 0xc], 0xffffffff
jmp 0x479611
cmp dword [ebp - 0x28], 0
jbe 0x479611
mov dword [ebp - 0xc], 0xffffffff
jmp 0x479611
mov dword [ebp - 0xc], 0xffffffff
cmp dword [esi + 0x58], 0x3b7
jne 0x47961f
xor eax, eax
mov dword [esi + 0x58], eax
mov eax, dword [ebp - 4]
call fcn.00405f80
test eax, eax
jle 0x47963f
mov eax, dword [ebp - 4]
call fcn.00405f80
mov edx, eax
mov eax, dword [ebp - 4]
xor ecx, ecx
call fcn.00403668
push 0
lea eax, [ebp - 4]
mov ecx, 1
mov edx, dword [0x478f98]
call fcn.0040615c
add esp, 4
lea edx, [ebp - 0x44]
mov eax, dword [esi + 0x20]
call fcn.0047812c
mov edx, dword [ebp - 0x44]
mov eax, dword [0x48a108]
call fcn.00477fd8
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_InternetCloseHandle
cmp dword [ebp - 0xc], 0
je 0x4796a0
cmp dword [esi + 0x68], 0
je 0x47968d
lea edx, [esi + 0x48]
mov eax, dword [esi + 0x48]
call dword [esi + 0x68]
cmp word [esi + 0x72], 0
je 0x4796a0
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 0x4796d8
lea eax, [ebp - 0x44]
mov edx, 5
call fcn.00404c8c
lea eax, [ebp - 0x10]
call fcn.00404c68
lea eax, [ebp - 4]
mov edx, dword [0x478f98]
call fcn.00406168
ret