Function at 0x40b114
Capabilities:
Initialize winhttp library
Prepare http request
Read http header
Receive http response
Set http header

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x49fc9f
mov eax, dword fs:[0]
push eax
mov eax, 0x18dc
call fcn.004829e0
mov eax, dword [0x4d04c0]
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 esi, ecx
xor ebx, ebx
cmp esi, ebx
jne 0x40b16d
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
mov ecx, dword [0x4d4770]
push eax
push str._ERROR___d___get_cdn_file_size__url_is_empty.
call fcn.00414401
pop ecx
xor eax, eax
jmp 0x40b688
xor eax, eax
push 0x3fe
mov word [ebp - 0x1868], ax
lea eax, [ebp - 0x1866]
push ebx
push eax
call fcn.004805d0
add esp, 0xc
push 0x1400
lea eax, [ebp - 0x1468]
push ebx
push eax
call fcn.004805d0
add esp, 0xc
push 0x38
lea eax, [ebp - 0x18e0]
push ebx
push eax
call fcn.004805d0
lea eax, [ebp - 0x468]
mov dword [ebp - 0x18b0], eax
lea eax, [ebp - 0x1468]
mov dword [ebp - 0x18d4], eax
lea eax, [ebp - 0xc68]
mov dword [ebp - 0x18c0], eax
lea eax, [ebp - 0x1868]
mov dword [ebp - 0x18e0], eax
lea eax, [ebp - 0x868]
mov dword [ebp - 0x18b8], eax
lea eax, [ebp - 0x1068]
mov dword [ebp - 0x18c8], eax
mov eax, 0x200
add esp, 0xc
mov dword [ebp - 0x18c4], eax
mov dword [ebp - 0x18b4], eax
mov dword [ebp - 0x18dc], eax
mov dword [ebp - 0x18bc], eax
mov dword [ebp - 0x18d0], eax
mov dword [ebp - 0x18ac], eax
lea eax, [ebp - 0x18e4]
push eax
push Ordinal_1
push ebx
push esi
mov dword [ebp - 0x18e4], 0x3c
call dword [sym.imp.WINHTTP.dll_WinHttpCrackUrl]
push ecx
mov dword [ebp - 0x1878], esp
lea esi, [ebp - 0x1898]
mov dword [ebp - 0x1878], esp
call fcn.00407564
mov eax, esi
push eax
mov dword [ebp - 4], ebx
push dword [ebp - 0x18d4]
call fcn.0040b06b
lea esi, [ebp - 0x18a8]
call fcn.004072cf
mov byte [ebp - 4], 1
mov eax, dword [ebp - 0x1894]
mov ecx, dword [eax]
mov edi, dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
mov dword [ebp - 0x1874], ecx
cmp eax, ecx
je 0x40b5cc
lea eax, [ecx + 0xc]
push dword [eax]
mov dword [ebp - 0x1888], eax
call dword [sym.imp.WS2_32.dll_inet_ntoa]
push eax
lea ecx, [ebp - 0x2c]
mov dword [ebp - 0x18], 0xf
mov dword [ebp - 0x1c], ebx
mov byte [ebp - 0x2c], bl
call fcn.004016a4
mov byte [ebp - 4], 2
cmp dword [ebp - 0x18], 0x10
mov eax, dword [ebp - 0x2c]
jae 0x40b2cc
lea eax, [ebp - 0x2c]
push eax
call edi
mov ecx, dword [0x4d4770]
push eax
push str._INFO___d___get_cdn_file_size__host_ip__s_
call fcn.00414401
add esp, 0xc
push ebx
push ebx
push ebx
push 1
push ebx
mov dword [ebp - 0x187c], ebx
call dword [sym.imp.WINHTTP.dll_WinHttpOpen]
mov esi, eax
mov dword [ebp - 0x1878], esi
cmp esi, ebx
jne 0x40b323
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call edi
mov ecx, dword [0x4d4770]
push eax
push str._ERROR___d___get_cdn_file_size__win_http_open_failed__err__d_.
call fcn.00414401
add esp, 0xc
jmp 0x40b5a0
lea eax, [ebp - 0x64]
push eax
lea ecx, [ebp - 0x2c]
call fcn.00419770
pop ecx
push 0xa
push 6
push 6
mov byte [ebp - 4], 3
push 0xa
push esi
mov dword [ebp - 0x1884], 4
mov dword [ebp - 0x186c], ebx
mov dword [ebp - 0x1880], ebx
call dword [sym.imp.WINHTTP.dll_WinHttpSetTimeouts]
cmp dword [ebp - 0x50], 8
mov eax, dword [ebp - 0x64]
jae 0x40b365
lea eax, [ebp - 0x64]
push ebx
push dword [ebp - 0x18cc]
push eax
push esi
call dword [sym.imp.WINHTTP.dll_WinHttpConnect]
mov dword [ebp - 0x1870], eax
cmp eax, ebx
jne 0x40b3ad
cmp dword [ebp - 0x18], 0x10
mov esi, dword [ebp - 0x2c]
jae 0x40b38a
lea esi, [ebp - 0x2c]
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push esi
call edi
push eax
push str._ERROR___d___get_cdn_file_size__win_http_connect_failed__ip__s___err__d_.
mov ecx, dword [0x4d4770]
call fcn.00414401
add esp, 0x10
jmp 0x40b567
push 0x100
push ebx
push ebx
push str.HTTP_1.1
push dword [ebp - 0x18b8]
push str.HEAD
push eax
call dword [sym.imp.WINHTTP.dll_WinHttpOpenRequest]
mov esi, eax
mov dword [ebp - 0x187c], esi
cmp esi, ebx
jne 0x40b3f5
cmp dword [ebp - 0x18], 0x10
mov esi, dword [ebp - 0x2c]
jae 0x40b3e3
lea esi, [ebp - 0x2c]
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push esi
call edi
push eax
push str._ERROR___d___get_cdn_file_size__win_http_open_request_failed__ip__s___err__d_.
jmp 0x40b39a
xor eax, eax
push str.Host:
lea ecx, [ebp - 0x48]
mov dword [ebp - 0x34], 7
mov dword [ebp - 0x38], ebx
mov word [ebp - 0x48], ax
call fcn.0040299a
mov byte [ebp - 4], 4
push dword [ebp - 0x18d4]
lea ecx, [ebp - 0x48]
call fcn.004041e9
push 0x4baea4
lea ecx, [ebp - 0x48]
call fcn.004041e9
cmp dword [ebp - 0x34], 8
mov eax, dword [ebp - 0x48]
jae 0x40b43d
lea eax, [ebp - 0x48]
push 0x20000000
push 0xffffffffffffffff
push eax
push esi
call dword [sym.imp.WINHTTP.dll_WinHttpAddRequestHeaders]
test eax, eax
jne 0x40b47f
cmp dword [ebp - 0x18], 0x10
mov esi, dword [ebp - 0x2c]
jae 0x40b45c
lea esi, [ebp - 0x2c]
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push esi
call edi
push eax
push str._ERROR___d___get_cdn_file_size__win_http_add_request_headers_failed__ip__s___err__d_.
mov ecx, dword [0x4d4770]
call fcn.00414401
add esp, 0x10
jmp 0x40b55c
push ebx
push ebx
push ebx
push ebx
push ebx
push ebx
push esi
call dword [sym.imp.WINHTTP.dll_WinHttpSendRequest]
test eax, eax
jne 0x40b4ae
cmp dword [ebp - 0x18], 0x10
mov esi, dword [ebp - 0x2c]
jae 0x40b49c
lea esi, [ebp - 0x2c]
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push esi
call edi
push eax
push str._ERROR___d___get_cdn_file_size__win_http_send_request_failed__ip__s___err__d_.
jmp 0x40b46c
push ebx
push esi
call dword [sym.imp.WINHTTP.dll_WinHttpReceiveResponse]
test eax, eax
jne 0x40b4d8
cmp dword [ebp - 0x18], 0x10
mov esi, dword [ebp - 0x2c]
jae 0x40b4c6
lea esi, [ebp - 0x2c]
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push esi
call edi
push eax
push str._ERROR___d___get_cdn_file_size__win_http_receive_response_failed__ip__s___err__d_.
jmp 0x40b46c
lea eax, [ebp - 0x1880]
push eax
lea eax, [ebp - 0x1884]
push eax
lea eax, [ebp - 0x186c]
push eax
push ebx
push 0x20000005
push esi
call dword [sym.imp.WINHTTP.dll_WinHttpQueryHeaders]
test eax, eax
je 0x40b526
cmp dword [ebp - 0x186c], ebx
jbe 0x40b526
lea edx, [ebp - 0x186c]
lea ecx, [ebp - 0x18a8]
call fcn.004072fa
mov esi, eax
mov eax, dword [ebp - 0x1888]
call fcn.00428694
jmp 0x40b55c
cmp dword [ebp - 0x18], 0x10
mov esi, dword [ebp - 0x2c]
jae 0x40b532
lea esi, [ebp - 0x2c]
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push dword [ebp - 0x1880]
push dword [ebp - 0x186c]
push esi
call edi
mov ecx, dword [0x4d4770]
push eax
push str._ERROR___d___get_cdn_file_size__win_http_query_headers_failed__ip__s___size__d___index__d___err__d_.
call fcn.00414401
add esp, 0x18
push ebx
push 1
lea ecx, [ebp - 0x48]
call fcn.00402a5a
push ebx
push 1
lea ecx, [ebp - 0x64]
call fcn.00402a5a
push dword [ebp - 0x1878]
mov esi, dword [sym.imp.WINHTTP.dll_WinHttpCloseHandle]
call esi
cmp dword [ebp - 0x1870], ebx
je 0x40b590
push dword [ebp - 0x1870]
call esi
cmp dword [ebp - 0x187c], ebx
je 0x40b5a0
push dword [ebp - 0x187c]
call esi
push ebx
push 1
lea ecx, [ebp - 0x2c]
mov byte [ebp - 4], 1
call fcn.00401587
lea eax, [ebp - 0x1874]
call fcn.0040dcd7
mov ecx, dword [ebp - 0x1874]
cmp dword [ebp - 0x1894], ecx
jne 0x40b295
push dword [ebp - 0x18a0]
call edi
mov ecx, dword [0x4d4770]
push eax
push str._INFO___d___get_cdn_file_size__total__d_
call fcn.00414401
mov ecx, dword [ebp - 0x18a4]
mov eax, dword [ecx]
add esp, 0xc
xor esi, esi
mov dword [ebp - 0x1870], ebx
mov dword [ebp - 0x1874], eax
cmp ecx, eax
je 0x40b656
cmp esi, ebx
je 0x40b613
mov ecx, dword [eax + 0x14]
sub ecx, dword [eax + 0x10]
sar ecx, 2
cmp esi, ecx
jae 0x40b63d
mov esi, dword [eax + 0x14]
sub esi, dword [eax + 0x10]
mov eax, dword [eax + 0xc]
sar esi, 2
push esi
push eax
mov dword [ebp - 0x1870], eax
call edi
mov ecx, dword [0x4d4770]
push eax
push str._INFO___d___get_cdn_file_size__ulfs_max__ld___count__d_
call fcn.00414401
add esp, 0x10
lea eax, [ebp - 0x1874]
call fcn.004074aa
mov eax, dword [ebp - 0x1874]
cmp dword [ebp - 0x18a4], eax
jne 0x40b602
lea eax, [ebp - 0x18a8]
push eax
mov byte [ebp - 4], bl
call fcn.0040738e
lea edi, [ebp - 0x1898]
mov dword [ebp - 4], 5
call fcn.004072aa
push dword [ebp - 0x1894]
call fcn.0047a0f0
mov eax, dword [ebp - 0x1870]
pop ecx
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.0047a0fb
leave
ret