Function at 0x401ce0
Capabilities:
Connect to http server
Create http request
Download and write a file
Get http content length
Parse url
Read data from internet
Receive and write data from server to client
Receive data
Write file on windows

Disassembly:
mov eax, 0x24f4
call fcn.00451f20
mov eax, dword [0x4d0b80]
xor eax, esp
mov dword [esp + 0x24f0], eax
push esi
xor eax, eax
mov esi, ecx
push 0x1fe
push eax
lea ecx, [esp + 0x26e]
push ecx
mov dword [esp + 0x10], esi
mov word [esp + 0x270], ax
call fcn.00450680
xor edx, edx
push 0xfe
push edx
lea eax, [esp + 0x7a]
push eax
mov word [esp + 0x7c], dx
call fcn.00450680
xor ecx, ecx
push 0xfe
push ecx
lea edx, [esp + 0x186]
push edx
mov word [esp + 0x188], cx
call fcn.00450680
xor eax, eax
push 0x1046
push eax
lea ecx, [esp + 0x14da]
push ecx
mov word [esp + 0x14dc], ax
call fcn.00450680
push 0x38
lea edx, [esp + 0x60]
push 0
push edx
call fcn.00450680
lea eax, [esp + 0x2a0]
mov dword [esp + 0x74], eax
mov eax, 0x80
mov dword [esp + 0x84], eax
mov dword [esp + 0x8c], eax
add esp, 0x3c
lea ecx, [esp + 0x64]
lea edx, [esp + 0x164]
lea eax, [esp + 0x14ac]
mov dword [esp + 0x28], 0x3c
mov dword [esp + 0x3c], pe_nt_image_headers32
mov dword [esp + 0x44], ecx
mov dword [esp + 0x4c], edx
mov dword [esp + 0x54], eax
mov dword [esp + 0x58], 0x824
test esi, esi
je 0x40210d
lea ecx, [esp + 0x28]
push ecx
push 0
push 0
push str.http:__dl.360safe.com_gf_360ini.cab
call dword [sym.imp.WININET.dll_InternetCrackUrlW]
test eax, eax
je 0x401df9
cmp dword [esp + 0x34], 3
je 0x401e13
xor esi, esi
mov eax, esi
pop esi
mov ecx, dword [esp + 0x24f0]
xor ecx, esp
call fcn.004513b1
add esp, 0x24f4
ret
push edi
push 0
push 0
push 0
push 0
push str.Beacon
call dword [sym.imp.WININET.dll_InternetOpenW]
mov edi, eax
mov dword [esp + 0x20], edi
test edi, edi
jne 0x401e38
xor esi, esi
jmp 0x4020e9
mov ecx, dword [esp + 0x44]
push ebx
push 0
push 0
push 3
lea edx, [esp + 0x178]
push edx
lea eax, [esp + 0x7c]
push eax
push ecx
lea edx, [esp + 0x284]
push edx
push edi
call dword [sym.imp.WININET.dll_InternetConnectW]
mov ebx, eax
mov dword [esp + 0x14], ebx
test ebx, ebx
jne 0x401e71
xor esi, esi
jmp 0x4020dd
xor eax, eax
push 0x1046
push eax
lea ecx, [esp + 0x476]
push ecx
mov word [esp + 0x478], ax
call fcn.00450680
add esp, 0xc
cmp dword [esp + 0x60], 0
je 0x401eb6
mov eax, dword [esp + 0x5c]
lea edx, [esp + 0x46c]
sub edx, eax
movzx ecx, word [eax]
mov word [edx + eax], cx
add eax, 2
test cx, cx
jne 0x401ea5
jmp 0x401ed7
xor eax, eax
jmp 0x401ec0
movzx ecx, word [eax + 0x4c5dc0]
mov word [esp + eax + 0x46c], cx
add eax, 2
test cx, cx
jne 0x401ec0
push ebp
mov ebp, dword [sym.imp.WININET.dll_HttpOpenRequestW]
push 0
push closesocket
push 0
push 0x4c5ea0
push 0x4c5dc4
lea edx, [esp + 0x484]
push edx
push str.HEAD
push ebx
call ebp
mov ebx, eax
mov edi, ebx
mov dword [esp + 0x24], ebx
call fcn.00401c40
mov esi, eax
test esi, esi
je 0x4020c9
push 0
lea eax, [esp + 0x30]
push eax
lea ecx, [esp + 0x24]
push ecx
push 0x20000005
push ebx
mov dword [esp + 0x30], 0
mov dword [esp + 0x40], 4
call dword [sym.imp.WININET.dll_HttpQueryInfoW]
test eax, eax
je 0x401f55
cmp dword [esp + 0x1c], 0x3e800000
jbe 0x401f55
xor esi, esi
jmp 0x4020c9
mov eax, dword [esp + 0x18]
push 0
push closesocket
push 0
push 0x4c5ea0
push 0x4c5dc4
lea edx, [esp + 0x484]
push edx
push 0x4c5de4
push eax
call ebp
mov esi, dword [sym.imp.WININET.dll_InternetSetOptionW]
push 4
lea ecx, [esp + 0x24]
push ecx
mov edi, eax
push 5
push edi
mov dword [esp + 0x30], 0x2bf20
call esi
push 4
lea edx, [esp + 0x24]
push edx
push 6
push edi
call esi
call fcn.00401c40
mov esi, eax
test esi, esi
je 0x4020be
mov eax, dword [esp + 0x10]
push 0
push 0x80
push 2
push 0
push 3
push 0x40000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebp, eax
cmp ebp, 0xffffffff
jne 0x401fde
xor esi, esi
jmp 0x4020be
push 0x80000
call fcn.0044d4a4
mov ebx, eax
xor esi, esi
add esp, 4
cmp ebx, esi
je 0x40209f
push 0x80000
push esi
push ebx
mov dword [esp + 0x1c], esi
mov dword [esp + 0x3c], esi
mov dword [esp + 0x20], esi
call fcn.00450680
add esp, 0xc
lea ecx, [esp + 0x14]
push ecx
push 0x80000
push ebx
push edi
call dword [sym.imp.WININET.dll_InternetReadFile]
mov esi, eax
test esi, esi
je 0x40209f
lea ebx, [ebx]
mov eax, dword [esp + 0x14]
xor esi, esi
test eax, eax
jbe 0x40205c
add dword [esp + 0x10], eax
push esi
lea edx, [esp + 0x34]
push edx
push eax
push ebx
push ebp
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov esi, eax
test esi, esi
je 0x40209f
push ebp
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
jmp 0x40205e
je 0x402090
push 0x80000
push 0
push ebx
mov dword [esp + 0x20], 0
call fcn.00450680
add esp, 0xc
lea eax, [esp + 0x14]
push eax
push 0x80000
push ebx
push edi
call dword [sym.imp.WININET.dll_InternetReadFile]
mov esi, eax
test esi, esi
jne 0x402030
jmp 0x40209f
mov ecx, dword [esp + 0x10]
cmp ecx, dword [esp + 0x1c]
jne 0x40209f
mov esi, 1
push ebp
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
push ebp
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test ebx, ebx
je 0x4020ba
push ebx
call fcn.00450942
add esp, 4
mov ebx, dword [esp + 0x24]
test edi, edi
je 0x4020c9
push edi
call dword [sym.imp.WININET.dll_InternetCloseHandle]
pop ebp
test ebx, ebx
je 0x4020d5
push ebx
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov ebx, dword [esp + 0x14]
mov edi, dword [esp + 0x24]
test ebx, ebx
je 0x4020e8
push ebx
call dword [sym.imp.WININET.dll_InternetCloseHandle]
pop ebx
test edi, edi
je 0x4020f4
push edi
call dword [sym.imp.WININET.dll_InternetCloseHandle]
pop edi
mov eax, esi
pop esi
mov ecx, dword [esp + 0x24f0]
xor ecx, esp
call fcn.004513b1
add esp, 0x24f4
ret
mov ecx, dword [esp + 0x24f4]
pop esi
xor ecx, esp
xor eax, eax
call fcn.004513b1
add esp, 0x24f4
ret