Function at 0x45fc80
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, 0xffffffc0
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x40], ebx
mov dword [ebp - 0x3c], ebx
mov dword [ebp - 0x38], ebx
mov dword [ebp - 0x34], ebx
mov dword [ebp - 0x30], 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 0x4603f8
push dword fs:[eax]
mov dword fs:[eax], esp
xor eax, eax
mov dword [ebp - 0xc], eax
lea eax, [esi + 0x48]
call fcn.0040480c
mov dword [esi + 0x54], 0x3e7
mov dword [esi + 0x58], 0x3e7
mov dword [esi + 0x50], 0xffffffff
cmp dword [esi + 0x40], 0
je 0x45fcf0
mov edx, dword [esi + 0x40]
mov eax, dword [esi + 0x10]
call fcn.004538ec
lea eax, [esi + 0x40]
call fcn.0040480c
mov edx, edi
mov eax, dword [esi + 0x10]
call fcn.004538ec
test al, al
je 0x4603c7
mov edi, dword [esi + 0x10]
mov eax, dword [edi + 8]
mov edx, dword [edi + 0x1c]
call fcn.00404c28
jne 0x45fd20
mov ax, word [edi + 0xc]
cmp ax, word [edi + 0xe]
je 0x45fe01
mov eax, esi
call fcn.004607dc
push 0
push 0
push 0
push 0
mov eax, dword [esi + 0x2c]
call fcn.00404cdc
push eax
call sub.wininet.dll_InternetOpenA
mov edi, eax
mov dword [esi + 0x18], edi
test edi, edi
jne 0x45fd52
mov dword [esi + 0x58], 0x37a
jmp 0x460333
push 0x45edf8
mov eax, dword [esi + 0x18]
push eax
call sub.wininet.dll_InternetSetStatusCallback
cmp byte [esi + 0x78], 0
je 0x45fdaa
mov eax, 0x45edf8
test eax, eax
jns 0x45fd74
call fcn.00403a0c
push eax
push 0
push 3
mov edi, dword [esi + 0x10]
mov eax, dword [edi + 0x14]
call fcn.00404cdc
push eax
mov eax, dword [edi + 0x10]
call fcn.00404cdc
push eax
mov ax, word [edi + 0xc]
push eax
mov eax, dword [edi + 8]
call fcn.00404cdc
push eax
mov eax, dword [esi + 0x18]
push eax
call sub.wininet.dll_InternetConnectA
mov dword [esi + 0x1c], eax
jmp 0x45fdef
mov eax, 0x45edf8
test eax, eax
jns 0x45fdb8
call fcn.00403a0c
push eax
push 0
push 3
mov eax, dword [esi + 0x80]
call fcn.00404cdc
push eax
mov eax, dword [esi + 0x7c]
call fcn.00404cdc
push eax
mov edi, dword [esi + 0x10]
mov ax, word [edi + 0xc]
push eax
mov eax, dword [edi + 8]
call fcn.00404cdc
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 0x45fe01
mov dword [esi + 0x58], 0x384
jmp 0x460333
imul eax, dword [esi + 0x4c], 0x3e8
jno 0x45fe0f
call fcn.00403a14
test eax, eax
jns 0x45fe18
call fcn.00403a0c
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 0x45fe65
lea eax, [ebp - 0x10]
mov edx, 0x460414
call fcn.004048a4
jmp 0x45fe87
cmp dword [ebp - 8], 0
jne 0x45fe7a
lea eax, [ebp - 0x10]
mov edx, 0x460424
call fcn.004048a4
jmp 0x45fe87
lea eax, [ebp - 0x10]
mov edx, 0x460414
call fcn.004048a4
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 4]
mov edx, 0x460430
call fcn.00404c28
jne 0x45fea2
mov dword [ebp - 0x2c], 0x80f000
jmp 0x45fea7
xor eax, eax
mov dword [ebp - 0x2c], eax
or dword [ebp - 0x2c], 0x80000000
cmp dword [esi + 8], 0
je 0x45febb
or dword [ebp - 0x2c], 0x80000
cmp byte [esi + 0x24], 0
jne 0x45fec8
or dword [ebp - 0x2c], 0x4000000
cmp byte [esi + 4], 0
je 0x45fed5
or dword [ebp - 0x2c], 0x400000
cmp byte [esi + 5], 0
jne 0x45fee2
or dword [ebp - 0x2c], 0x200000
mov edi, dword [esi + 0x84]
sub edi, 1
jno 0x45fef2
call fcn.00403a14
mov eax, 0x45edf8
test eax, eax
jns 0x45ff00
call fcn.00403a0c
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.00404cdc
push eax
mov eax, dword [esi + 0x30]
call fcn.00404cdc
push eax
mov eax, dword [esi + 0x10]
mov eax, dword [eax + 0x18]
call fcn.00404cdc
push eax
mov eax, dword [ebp - 0x10]
call fcn.00404cdc
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 0x45ff51
mov dword [esi + 0x58], 0x38e
jmp 0x45ffff
lea edx, [ebp - 0x30]
mov eax, dword [esi + 0x20]
call fcn.0045ede0
mov edx, dword [ebp - 0x30]
mov eax, dword [0x475e78]
call fcn.0045ec20
test eax, eax
jne 0x45ff87
lea edx, [ebp - 0x34]
mov eax, dword [esi + 0x20]
call fcn.0045ede0
mov edx, dword [ebp - 0x34]
mov ecx, esi
mov eax, dword [0x475e78]
call fcn.0045eaf4
mov edx, dword [esi + 0x20]
mov eax, esi
call fcn.00460b2c
mov eax, dword [ebp - 0x10]
mov edx, 0x460424
call fcn.00404c28
jne 0x45ffb9
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 0x45ffe7
mov eax, dword [ebp - 8]
call fcn.00404adc
test eax, eax
jns 0x45ffca
call fcn.00403a0c
push eax
mov eax, dword [ebp - 8]
call fcn.00404cdc
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 edi, 1
jl 0x45ffff
test bl, bl
jne 0x45fff7
push 0x64
call sub.kernel32.dll_Sleep_1
test bl, bl
je 0x45fee8
test bl, bl
jne 0x46000f
mov dword [esi + 0x58], 0x398
jmp 0x460333
mov edx, dword [esi + 0x20]
mov eax, esi
call fcn.00460884
cmp dword [esi + 8], 0
je 0x460033
lea edx, [ebp - 0x38]
mov eax, esi
call fcn.00460870
mov edx, dword [ebp - 0x38]
mov eax, esi
call fcn.00460974
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 0x460097
call sub.kernel32.dll_GetLastError_1
cmp eax, 0x7a
jne 0x460097
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 0x4600a3
call fcn.00403a0c
mov dword [esi + 0x54], eax
test bl, bl
je 0x4600bc
cmp dword [ebp - 0x14], 0xc8
jb 0x4600bc
cmp dword [ebp - 0x14], 0x12b
jbe 0x4600c8
mov dword [esi + 0x58], 0x3a2
jmp 0x460333
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 0x460135
call sub.kernel32.dll_GetLastError_1
cmp eax, 0x7a
jne 0x460135
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 0x460132
call fcn.00403a0c
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 [0x45fc4c]
call fcn.00405c50
add esp, 4
cmp dword [ebp + 0xc], 0
je 0x46018e
push 0
push 0x20
push 2
push 0
push 0
push 0x40000000
mov eax, dword [ebp + 0xc]
call fcn.00404cdc
push eax
call sub.kernel32.dll_CreateFileA_1
mov dword [ebp - 0x20], eax
cmp dword [ebp - 0x20], 0xffffffff
jne 0x46018e
mov dword [esi + 0x58], 0x3ac
jmp 0x460333
lea eax, [esi + 0x48]
call fcn.0040480c
xor eax, eax
mov dword [ebp - 0x28], eax
mov eax, dword [ebp - 4]
call fcn.00405a94
mov edx, eax
xor eax, eax
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x4601b3
cmp eax, dword [ecx - 4]
jb 0x4601b8
call fcn.00403a0c
lea eax, [ecx + eax]
xor ecx, ecx
call fcn.0040322c
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 0x4601ed
mov dword [esi + 0x58], 0x3b6
jmp 0x4602df
cmp dword [ebp - 0x1c], 0
jne 0x4601ff
mov dword [esi + 0x58], 0x3b7
jmp 0x4602df
lea eax, [ebp - 0x3c]
push eax
mov ecx, dword [ebp - 0x1c]
mov edx, 1
mov eax, dword [ebp - 4]
call fcn.00404d3c
mov edx, dword [ebp - 0x3c]
lea eax, [esi + 0x48]
call fcn.00404ae4
cmp dword [ebp + 0xc], 0
je 0x46028d
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 0x46023c
cmp eax, dword [edx - 4]
jb 0x460241
call fcn.00403a0c
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 0x46025b
call fcn.00403a14
cmp dword [esi + 0x5c], 0
je 0x46026d
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 0x46019b
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 0x46019b
cmp dword [esi + 0x5c], 0
je 0x4602af
mov eax, dword [esi + 0x48]
call fcn.00404adc
mov edx, eax
test edx, edx
jns 0x4602a6
call fcn.00403a0c
mov ecx, dword [ebp - 0x14]
mov eax, dword [ebp - 0x1c]
call dword [esi + 0x5c]
cmp word [esi + 0x62], 0
je 0x46019b
mov eax, dword [ebp - 0x14]
push eax
mov eax, dword [esi + 0x48]
call fcn.00404adc
mov ecx, eax
test ecx, ecx
jns 0x4602d1
call fcn.00403a0c
mov edx, dword [ebp - 0x1c]
mov eax, dword [esi + 0x64]
call dword [esi + 0x60]
jmp 0x46019b
cmp dword [ebp + 0xc], 0
je 0x4602ee
mov eax, dword [ebp - 0x20]
push eax
call sub.kernel32.dll_CloseHandle_1
cmp dword [ebp - 0x14], 0
jbe 0x46031e
cmp dword [ebp + 0xc], 0
jne 0x46030f
mov eax, dword [esi + 0x48]
call fcn.00404adc
test eax, eax
jle 0x460325
mov dword [ebp - 0xc], 0xffffffff
jmp 0x460325
cmp dword [ebp - 0x28], 0
jbe 0x460325
mov dword [ebp - 0xc], 0xffffffff
jmp 0x460325
mov dword [ebp - 0xc], 0xffffffff
cmp dword [esi + 0x58], 0x3b7
jne 0x460333
xor eax, eax
mov dword [esi + 0x58], eax
mov eax, dword [ebp - 4]
call fcn.00405a94
test eax, eax
jle 0x460366
mov eax, dword [ebp - 4]
call fcn.00405a94
mov edx, eax
xor eax, eax
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x460357
cmp eax, dword [ecx - 4]
jb 0x46035c
call fcn.00403a0c
lea eax, [ecx + eax]
xor ecx, ecx
call fcn.0040322c
push 0
lea eax, [ebp - 4]
mov ecx, 1
mov edx, dword [0x45fc4c]
call fcn.00405c50
add esp, 4
lea edx, [ebp - 0x40]
mov eax, dword [esi + 0x20]
call fcn.0045ede0
mov edx, dword [ebp - 0x40]
mov eax, dword [0x475e78]
call fcn.0045ec8c
mov eax, dword [esi + 0x20]
push eax
call sub.wininet.dll_InternetCloseHandle
cmp dword [ebp - 0xc], 0
je 0x4603c7
cmp dword [esi + 0x68], 0
je 0x4603b4
lea edx, [esi + 0x48]
mov eax, dword [esi + 0x48]
call dword [esi + 0x68]
cmp word [esi + 0x72], 0
je 0x4603c7
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 0x4603ff
lea eax, [ebp - 0x40]
mov edx, 5
call fcn.00404830
lea eax, [ebp - 0x10]
call fcn.0040480c
lea eax, [ebp - 4]
mov edx, dword [0x45fc4c]
call fcn.00405c5c
ret