Function at 0x4113b0
Capabilities:
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 0x427a21
mov eax, dword fs:[0]
push eax
sub esp, 0x41c
mov eax, dword [0x436024]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 8]
mov edi, ecx
lea ecx, [ebp - 0x414]
push ecx
mov esi, str.http:__qqhelper.qq.com:8080_site_media_QQTroubleShoot.exe
mov dword [ebp - 0x424], eax
call fcn.0040d290
lea ecx, [ebp - 0x428]
mov dword [ebp - 4], 0
call fcn.004154f0
push eax
lea edx, [ebp - 0x420]
push edx
mov ebx, str.QQTroubleShoot.exe
mov byte [ebp - 4], 1
call fcn.004060b0
add esp, 8
mov byte [ebp - 4], 2
call fcn.00406830
mov byte [ebp - 4], 1
mov eax, dword [ebp - 0x420]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x411454
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
xor ebx, ebx
mov byte [ebp - 4], bl
mov eax, dword [ebp - 0x428]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x41147b
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov edi, dword [edi]
push ebx
push 0x80
push 2
push ebx
push 1
push 0x40000000
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
je 0x411560
mov ecx, dword [ebp - 0x414]
mov edx, dword [ebp - 0x424]
mov eax, dword [edx]
push ebx
push SysReAllocString
push ebx
push ebx
push ecx
push eax
call dword [sym.imp.WININET.dll_InternetOpenUrlA]
mov edi, eax
cmp edi, ebx
je 0x411560
lea ecx, [ebp - 0x418]
push ecx
push 0x3ff
lea edx, [ebp - 0x410]
push edx
push edi
mov dword [ebp - 0x418], ebx
mov dword [ebp - 0x41c], ebx
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
je 0x411552
mov eax, dword [ebp - 0x418]
cmp eax, ebx
je 0x4115a9
push ebx
lea ecx, [ebp - 0x41c]
push ecx
push eax
lea edx, [ebp - 0x410]
push edx
push esi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x411552
mov eax, dword [ebp - 0x418]
cmp eax, dword [ebp - 0x41c]
jne 0x411552
lea ecx, [ebp - 0x418]
push ecx
push 0x3ff
lea edx, [ebp - 0x410]
push edx
push edi
mov dword [ebp - 0x418], ebx
mov dword [ebp - 0x41c], ebx
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
jne 0x4114f1
push edi
call dword [sym.imp.WININET.dll_InternetCloseHandle]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0x414]
add eax, 0xfffffff0
or edx, 0xffffffff
lea ecx, [eax + 0xc]
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x411589
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
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 - 0x10]
xor ecx, ebp
call fcn.0042575e
mov esp, ebp
pop ebp
ret 4
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push edi
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0x414]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x4115e0
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov eax, 1
jmp 0x41158b