Function at 0x4770f4
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 0x477886
push dword fs:[eax]
mov dword fs:[eax], esp
xor eax, eax
mov dword [ebp - 0xc], eax
lea eax, [esi + 0x48]
call fcn.00404c94
mov dword [esi + 0x54], 0x3e7
mov dword [esi + 0x58], 0x3e7
mov dword [esi + 0x50], 0xffffffff
cmp dword [esi + 0x40], 0
je 0x477164
mov edx, dword [esi + 0x40]
mov eax, dword [esi + 0x10]
call fcn.0047248c
lea eax, [esi + 0x40]
call fcn.00404c94
mov edx, edi
mov eax, dword [esi + 0x10]
call fcn.0047248c
test al, al
je 0x477855
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 8]
mov edx, dword [esi + 0x10]
mov edx, dword [edx + 0x1c]
call fcn.004050b0
jne 0x47719d
mov eax, dword [esi + 0x10]
mov ax, word [eax + 0xc]
mov edx, dword [esi + 0x10]
cmp ax, word [edx + 0xe]
je 0x47728a
mov eax, esi
call fcn.00477c6c
push 0
push 0
push 0
push 0
mov eax, dword [esi + 0x2c]
call fcn.00405164
push eax
call sub.wininet.dll_InternetOpenA
mov dword [esi + 0x18], eax
cmp dword [esi + 0x18], 0
jne 0x4771cf
mov dword [esi + 0x58], 0x37a
jmp 0x4777c1
push 0x47626c
mov eax, dword [esi + 0x18]
push eax
call sub.wininet.dll_InternetSetStatusCallback
cmp byte [esi + 0x78], 0
je 0x477230
mov eax, 0x47626c
test eax, eax
jns 0x4771f1
call fcn.00403e3c
push eax
push 0
push 3
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x14]
call fcn.00405164
push eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x10]
call fcn.00405164
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.00405164
push eax
mov eax, dword [esi + 0x18]
push eax
call sub.wininet.dll_InternetConnectA
mov dword [esi + 0x1c], eax
jmp 0x477278
mov eax, 0x47626c
test eax, eax
jns 0x47723e
call fcn.00403e3c
push eax
push 0
push 3
mov eax, dword [esi + 0x80]
call fcn.00405164
push eax
mov eax, dword [esi + 0x7c]
call fcn.00405164
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.00405164
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 0x47728a
mov dword [esi + 0x58], 0x384
jmp 0x4777c1
imul eax, dword [esi + 0x4c], 0x3e8
jno 0x477298
call fcn.00403e44
test eax, eax
jns 0x4772a1
call fcn.00403e3c
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 0x4772ee
lea eax, [ebp - 0x10]
mov edx, 0x4778a4
call fcn.00404d2c
jmp 0x477310
cmp dword [ebp - 8], 0
jne 0x477303
lea eax, [ebp - 0x10]
mov edx, 0x4778b4
call fcn.00404d2c
jmp 0x477310
lea eax, [ebp - 0x10]
mov edx, 0x4778a4
call fcn.00404d2c
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 4]
mov edx, 0x4778c0
call fcn.004050b0
jne 0x47732b
mov dword [ebp - 0x2c], 0x80f000
jmp 0x477330
xor eax, eax
mov dword [ebp - 0x2c], eax
or dword [ebp - 0x2c], 0x80000000
cmp dword [esi + 8], 0
je 0x477344
or dword [ebp - 0x2c], 0x80000
cmp byte [esi + 0x24], 0
jne 0x477351
or dword [ebp - 0x2c], 0x4000000
cmp byte [esi + 4], 0
je 0x47735e
or dword [ebp - 0x2c], 0x400000
cmp byte [esi + 5], 0
jne 0x47736b
or dword [ebp - 0x2c], 0x200000
mov eax, dword [esi + 0x84]
mov dword [ebp - 0x30], eax
sub dword [ebp - 0x30], 1
jno 0x47737f
call fcn.00403e44
mov eax, 0x47626c
test eax, eax
jns 0x47738d
call fcn.00403e3c
push eax
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.00405164
push eax
mov eax, dword [esi + 0x30]
call fcn.00405164
push eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x18]
call fcn.00405164
push eax
mov eax, dword [ebp - 0x10]
call fcn.00405164
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 0x4773de
mov dword [esi + 0x58], 0x38e
jmp 0x47748d
lea edx, [ebp - 0x34]
mov eax, dword [esi + 0x20]
call fcn.00476254
mov edx, dword [ebp - 0x34]
mov eax, dword [0x4ab1f0]
call fcn.00476094
test eax, eax
jne 0x477414
lea edx, [ebp - 0x38]
mov eax, dword [esi + 0x20]
call fcn.00476254
mov edx, dword [ebp - 0x38]
mov ecx, esi
mov eax, dword [0x4ab1f0]
call fcn.00475f68
mov edx, dword [esi + 0x20]
mov eax, esi
call fcn.00477fc4
mov eax, dword [ebp - 0x10]
mov edx, 0x4778b4
call fcn.004050b0
jne 0x477446
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 0x477474
mov eax, dword [ebp - 8]
call fcn.00404f64
test eax, eax
jns 0x477457
call fcn.00403e3c
push eax
mov eax, dword [ebp - 8]
call fcn.00405164
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 0x47748d
test bl, bl
jne 0x477485
push 0x64
call sub.kernel32.dll_Sleep_1
test bl, bl
je 0x477374
test bl, bl
jne 0x47749d
mov dword [esi + 0x58], 0x398
jmp 0x4777c1
mov edx, dword [esi + 0x20]
mov eax, esi
call fcn.00477d14
cmp dword [esi + 8], 0
je 0x4774c1
lea edx, [ebp - 0x3c]
mov eax, esi
call fcn.00477d00
mov edx, dword [ebp - 0x3c]
mov eax, esi
call fcn.00477e0c
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 0x477525
call sub.kernel32.dll_GetLastError_1
cmp eax, 0x7a
jne 0x477525
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]
test eax, eax
jns 0x477531
call fcn.00403e3c
mov dword [esi + 0x54], eax
test bl, bl
je 0x47754a
cmp dword [ebp - 0x14], 0xc8
jb 0x47754a
cmp dword [ebp - 0x14], 0x12b
jbe 0x477556
mov dword [esi + 0x58], 0x3a2
jmp 0x4777c1
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 0x4775c3
call sub.kernel32.dll_GetLastError_1
cmp eax, 0x7a
jne 0x4775c3
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]
test eax, eax
jns 0x4775c0
call fcn.00403e3c
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 [0x4770c0]
call fcn.00406338
add esp, 4
cmp dword [ebp + 0xc], 0
je 0x47761c
push 0
push 0x20
push 2
push 0
push 0
push 0x40000000
mov eax, dword [ebp + 0xc]
call fcn.00405164
push eax
call sub.kernel32.dll_CreateFileA_1
mov dword [ebp - 0x20], eax
cmp dword [ebp - 0x20], 0xffffffff
jne 0x47761c
mov dword [esi + 0x58], 0x3ac
jmp 0x4777c1
lea eax, [esi + 0x48]
call fcn.00404c94
xor eax, eax
mov dword [ebp - 0x28], eax
mov eax, dword [ebp - 4]
call fcn.0040615c
mov edx, eax
xor eax, eax
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x477641
cmp eax, dword [ecx - 4]
jb 0x477646
call fcn.00403e3c
lea eax, [ecx + eax]
xor ecx, ecx
call fcn.00403694
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 0x47767b
mov dword [esi + 0x58], 0x3b6
jmp 0x47776d
cmp dword [ebp - 0x1c], 0
jne 0x47768d
mov dword [esi + 0x58], 0x3b7
jmp 0x47776d
lea eax, [ebp - 0x40]
push eax
mov ecx, dword [ebp - 0x1c]
mov edx, 1
mov eax, dword [ebp - 4]
call fcn.004051c4
mov edx, dword [ebp - 0x40]
lea eax, [esi + 0x48]
call fcn.00404f6c
cmp dword [ebp + 0xc], 0
je 0x47771b
push 0
lea eax, [ebp - 0x24]
push eax
mov eax, dword [ebp - 0x1c]
push eax
xor eax, eax
mov edx, dword [ebp - 4]
test edx, edx
je 0x4776ca
cmp eax, dword [edx - 4]
jb 0x4776cf
call fcn.00403e3c
lea eax, [edx + eax]
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 0x4776e9
call fcn.00403e44
cmp dword [esi + 0x5c], 0
je 0x4776fb
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 0x477629
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 0x477629
cmp dword [esi + 0x5c], 0
je 0x47773d
mov eax, dword [esi + 0x48]
call fcn.00404f64
mov edx, eax
test edx, edx
jns 0x477734
call fcn.00403e3c
mov ecx, dword [ebp - 0x14]
mov eax, dword [ebp - 0x1c]
call dword [esi + 0x5c]
cmp word [esi + 0x62], 0
je 0x477629
mov eax, dword [ebp - 0x14]
push eax
mov eax, dword [esi + 0x48]
call fcn.00404f64
mov ecx, eax
test ecx, ecx
jns 0x47775f
call fcn.00403e3c
mov edx, dword [ebp - 0x1c]
mov eax, dword [esi + 0x64]
call dword [esi + 0x60]
jmp 0x477629
cmp dword [ebp + 0xc], 0
je 0x47777c
mov eax, dword [ebp - 0x20]
push eax
call sub.kernel32.dll_CloseHandle_1
cmp dword [ebp - 0x14], 0
jbe 0x4777ac
cmp dword [ebp + 0xc], 0
jne 0x47779d
mov eax, dword [esi + 0x48]
call fcn.00404f64
test eax, eax
jle 0x4777b3
mov dword [ebp - 0xc], 0xffffffff
jmp 0x4777b3
cmp dword [ebp - 0x28], 0
jbe 0x4777b3
mov dword [ebp - 0xc], 0xffffffff
jmp 0x4777b3
mov dword [ebp - 0xc], 0xffffffff
cmp dword [esi + 0x58], 0x3b7
jne 0x4777c1
xor eax, eax
mov dword [esi + 0x58], eax
mov eax, dword [ebp - 4]
call fcn.0040615c
test eax, eax
jle 0x4777f4
mov eax, dword [ebp - 4]
call fcn.0040615c
mov edx, eax
xor eax, eax
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x4777e5
cmp eax, dword [ecx - 4]
jb 0x4777ea
call fcn.00403e3c
lea eax, [ecx + eax]
xor ecx, ecx
call fcn.00403694
push 0
lea eax, [ebp - 4]
mov ecx, 1
mov edx, dword [0x4770c0]
call fcn.00406338
add esp, 4
lea edx, [ebp - 0x44]
mov eax, dword [esi + 0x20]
call fcn.00476254
mov edx, dword [ebp - 0x44]
mov eax, dword [0x4ab1f0]
call fcn.00476100
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_InternetCloseHandle
cmp dword [ebp - 0xc], 0
je 0x477855
cmp dword [esi + 0x68], 0
je 0x477842
lea edx, [esi + 0x48]
mov eax, dword [esi + 0x48]
call dword [esi + 0x68]
cmp word [esi + 0x72], 0
je 0x477855
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 0x47788d
lea eax, [ebp - 0x44]
mov edx, 5
call fcn.00404cb8
lea eax, [ebp - 0x10]
call fcn.00404c94
lea eax, [ebp - 4]
mov edx, dword [0x4770c0]
call fcn.00406344
ret