Function at 0x493300
Capabilities:
Check if file exists
Download and write a file
Read data from internet
Receive and write data from server to client
Receive data
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5d4bb0
mov eax, dword fs:[0]
push eax
sub esp, 0x78
mov eax, dword [0x65b9c4]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, edx
mov dword [ebp - 0x5c], esi
mov eax, ecx
mov dword [ebp - 0x6c], eax
mov edi, dword [ebp + 8]
mov ecx, dword [ebp + 0x10]
mov dword [ebp - 0x58], edi
mov dword [ebp - 0x68], ecx
test eax, eax
je 0x4935cc
test esi, esi
je 0x4935cc
test edi, edi
je 0x4935cc
push 0x663e84
push 0x100
call fcn.00586b70
xor ebx, ebx
mov dword [ebp - 0x78], vtable.CxAutoArray_unsigned_char_.0
add esp, 8
mov dword [ebp - 0x74], ebx
test eax, eax
je 0x493387
mov ebx, eax
mov dword [ebp - 0x70], 0
mov dword [ebp - 0x74], ebx
lea eax, [ebp - 0x38]
mov dword [ebp - 4], 0
push eax
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesExW]
test eax, eax
je 0x4933ad
mov eax, dword [ebp - 0x18]
mov dword [ebp - 0x44], eax
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 0x48], eax
jmp 0x4933c1
xorps xmm0, xmm0
movlpd qword [ebp - 0x54], xmm0
mov eax, dword [ebp - 0x50]
mov dword [ebp - 0x48], eax
mov eax, dword [ebp - 0x54]
mov dword [ebp - 0x44], eax
push edi
lea ecx, [ebp - 0x3c]
call fcn.004063d0
lea edx, [ebp - 0x3c]
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x4c]
call fcn.0046c9d0
mov byte [ebp - 4], 3
or eax, 0xffffffff
mov edx, dword [ebp - 0x3c]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4933f8
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
push dword [ebp - 0x4c]
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x49340f
push dword [ebp - 0x4c]
push eax
call dword [sym.imp.SHELL32.dll_SHCreateDirectory]
xor edi, edi
mov dword [ebp - 0x80], edi
mov dword [ebp - 0x7c], edi
push edi
push 0x80
push 4
push edi
push 2
push 0x40000000
push dword [ebp - 0x58]
mov byte [ebp - 4], 4
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x49347d
call fcn.00410250
test eax, eax
jns 0x493482
xor esi, esi
test edi, edi
je 0x49344f
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov byte [ebp - 4], 0
or ecx, 0xffffffff
mov eax, dword [ebp - 0x4c]
add eax, 0xfffffff0
lock xadd dword [eax + 0xc], ecx
dec ecx
test ecx, ecx
jg 0x49346e
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
lea ecx, [ebp - 0x78]
call fcn.0041dea0
mov eax, esi
jmp 0x4935ce
mov edi, eax
mov dword [ebp - 0x80], edi
push 2
lea eax, [ebp - 0x50]
xorps xmm0, xmm0
push eax
push 0
push edi
movlpd qword [ebp - 0x54], xmm0
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
jne 0x4934a3
call fcn.00410250
push 5
lea eax, [ebp - 0x3c]
mov ecx, esi
push eax
call fcn.0047f0a0
mov esi, dword [ebp - 0x3c]
push 0xa
push 0
push esi
call fcn.005b1acd
add esp, 0xc
mov dword [ebp - 0x64], eax
mov dword [ebp - 0x60], edx
add esi, 0xfffffff0
or ecx, 0xffffffff
lock xadd dword [esi + 0xc], ecx
dec ecx
test ecx, ecx
jg 0x4934de
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov esi, dword [ebp - 0x5c]
lea ecx, [ebp - 0x40]
push ecx
push 0x100
push ebx
mov eax, dword [esi + 0x10]
mov dword [ebp - 0x40], 0
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x50], 0
push dword [eax]
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
je 0x493442
nop dword [eax]
mov eax, dword [ebp - 0x40]
test eax, eax
je 0x4935c2
push 0
lea ecx, [ebp - 0x3c]
push ecx
push eax
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x49354b
call fcn.00410250
test eax, eax
js 0x493442
mov eax, dword [ebp - 0x40]
cmp dword [ebp - 0x3c], eax
jne 0x493442
mov ecx, dword [ebp - 0x44]
mov edx, dword [ebp - 0x48]
add ecx, eax
push eax
adc edx, 0
mov dword [ebp - 0x44], ecx
push edx
push ecx
push dword [ebp - 0x60]
mov dword [ebp - 0x48], edx
push dword [ebp - 0x64]
push dword [ebp - 0x58]
push dword [ebp - 0x68]
push esi
push dword [ebp - 0x6c]
call fcn.004811b0
add esp, 0x24
test eax, eax
je 0x493442
mov eax, dword [esi + 0x10]
lea ecx, [ebp - 0x40]
push ecx
push 0x100
push ebx
mov dword [ebp - 0x40], 0
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x50], 0
push dword [eax]
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
jne 0x493520
jmp 0x493442
mov esi, 1
jmp 0x493444
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.0058651a
mov esp, ebp
pop ebp
ret