Function at 0x421840
Capabilities:
Check http status code
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
Resolve function by parsing pe exports
Send data
Send http request
Write file on windows

Disassembly:
push 0xffffffffffffffff
push 0x4428d7
mov eax, dword fs:[0]
push eax
mov eax, 0x3cb8
call fcn.004303d0
mov eax, dword [0x4531a0]
xor eax, esp
mov dword [esp + 0x3cb4], eax
push ebx
push ebp
push esi
push edi
mov eax, dword [0x4531a0]
xor eax, esp
push eax
lea eax, [esp + 0x3ccc]
mov dword fs:[0], eax
mov ebp, dword [esp + 0x3cdc]
push 0x3c
lea eax, [esp + 0x58]
mov esi, ecx
push 0
push eax
mov dword [esp + 0x2c], esi
mov dword [esp + 0x20], 0
call fcn.0042c780
mov eax, 0x800
mov dword [esp + 0x74], eax
mov dword [esp + 0x90], eax
lea eax, [esp + 0xd4]
lea ecx, [esp + 0x4d4]
mov dword [esp + 0x7c], eax
mov eax, 0x200
mov dword [esp + 0x70], ecx
add esp, 0xc
cmp dword [ebp + 0x18], 8
lea edx, [esp + 0xcc8]
lea ecx, [esp + 0x2c8]
mov dword [esp + 0x74], eax
mov dword [esp + 0x7c], eax
mov eax, dword [ebp + 0x14]
mov dword [esp + 0x54], 0x3c
mov dword [esp + 0x80], edx
mov dword [esp + 0x78], ecx
jb 0x421907
mov ecx, dword [ebp + 4]
jmp 0x42190a
lea ecx, [ebp + 4]
lea edx, [esp + 0x54]
push edx
push 0
push eax
push ecx
call dword [sym.imp.WININET.dll_InternetCrackUrlW]
test eax, eax
je 0x421cfe
push 0
push 0
push 0
push 0
push 0x449998
call dword [sym.imp.WININET.dll_InternetOpenW]
mov dword [esp + 0x30], eax
test eax, eax
jne 0x421949
mov dword [esp + 0x14], 0xfffffffe
jmp 0x421cfa
cmp dword [esi + 0xc], 0
je 0x42195c
mov dword [esp + 0x14], 0xffffffff
jmp 0x421cf3
mov ecx, dword [esp + 0x78]
mov edx, dword [esp + 0x70]
push 0
push 0
push 3
push ecx
mov ecx, dword [esp + 0x7c]
push edx
push ecx
lea edx, [esp + 0x4e0]
push edx
push eax
call dword [sym.imp.WININET.dll_InternetConnectW]
mov ebx, eax
mov dword [esp + 0x2c], ebx
test ebx, ebx
jne 0x421997
mov dword [esp + 0x14], 0xfffffffe
jmp 0x421ce4
cmp dword [esi + 0xc], 0
je 0x4219aa
mov dword [esp + 0x14], 0xffffffff
jmp 0x421ce4
cmp dword [ebp + 0x38], 0
push 0
push 0
push 0
push 0
push 0
je 0x421a12
mov eax, dword [esp + 0x94]
push eax
push str.POST
push ebx
call dword [sym.imp.WININET.dll_HttpOpenRequestW]
mov edi, eax
mov eax, str.Content_Type:_application_x_www_form_urlencoded__charsetUTF_8__r_n
mov dword [esp + 0x18], edi
lea edx, [eax + 2]
lea esp, [esp]
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x4219e0
sub eax, edx
push 0xa0000000
sar eax, 1
push eax
push str.Content_Type:_application_x_www_form_urlencoded__charsetUTF_8__r_n
push edi
call dword [sym.imp.WININET.dll_HttpAddRequestHeadersW]
test eax, eax
jne 0x421a2a
mov dword [esp + 0x14], 0xfffffffd
jmp 0x421cd5
mov ecx, dword [esp + 0x94]
push ecx
push 0x449a4c
push ebx
call dword [sym.imp.WININET.dll_HttpOpenRequestW]
mov dword [esp + 0x18], eax
mov edi, dword [esp + 0x18]
test edi, edi
jne 0x421a3f
mov dword [esp + 0x14], 0xfffffffd
jmp 0x421ce4
cmp dword [esi + 0xc], 0
je 0x421a52
mov dword [esp + 0x14], 0xffffffff
jmp 0x421cd5
mov edx, dword [ebp + 0x3c]
mov eax, dword [ebp + 0x38]
push edx
push eax
push 0
push 0
push edi
call dword [sym.imp.WININET.dll_HttpSendRequestW]
test eax, eax
jne 0x421a76
mov dword [esp + 0x14], 0xfffffffd
jmp 0x421cd5
cmp dword [esi + 0xc], 0
je 0x421a89
mov dword [esp + 0x14], 0xffffffff
jmp 0x421cd5
push 0
lea ecx, [esp + 0x28]
push ecx
lea edx, [esp + 0x3c]
push edx
push 0x20000013
mov ebx, 4
push edi
mov dword [esp + 0x38], ebx
call dword [sym.imp.WININET.dll_HttpQueryInfoW]
test eax, eax
je 0x421ccd
cmp dword [esp + 0x34], 0x190
jae 0x421ccd
cmp dword [ebp + 0x30], 0
je 0x421cd5
cmp dword [ebp + 0x50], 0
je 0x421b74
mov eax, ebp
call fcn.0040c9d0
push eax
lea eax, [esp + 0xb0]
push eax
call fcn.00422070
lea esi, [ebp + 0x1c]
mov edi, esi
lea eax, [esp + 0x38]
mov dword [esp + 0x3cd4], 0
call fcn.004172d0
push 0xffffffffffffffff
push 0
mov ecx, esi
mov byte [esp + 0x3cdc], 1
call fcn.00405070
mov edi, 8
mov byte [esp + 0x3cd4], 0
cmp dword [esp + 0x50], edi
jb 0x421b35
mov ecx, dword [esp + 0x3c]
push ecx
call fcn.0042867c
add esp, 4
push 0
lea edx, [esp + 0xb0]
push edx
or eax, 0xffffffff
call fcn.00413110
mov dword [esp + 0x3cd4], 0xffffffff
cmp dword [esp + 0xc4], edi
jb 0x421c9f
mov eax, dword [esp + 0xb0]
push eax
call fcn.0042867c
add esp, 4
jmp 0x421c9f
cmp dword [ebp + 0x54], 0
je 0x421ca3
lea ecx, [esp + 0x90]
call fcn.00417420
push 1
push 0x449a54
lea eax, [esp + 0x98]
mov dword [esp + 0x3cdc], 2
call fcn.00413220
mov eax, ebp
call fcn.0040c9d0
push eax
lea ecx, [esp + 0xb0]
push ecx
call fcn.00422070
push 0
push eax
or eax, 0xffffffff
lea esi, [esp + 0x98]
mov byte [esp + 0x3cdc], 3
call fcn.00413110
mov byte [esp + 0x3cd4], 2
cmp dword [esp + 0xc4], 8
jb 0x421bf9
mov edx, dword [esp + 0xb0]
push edx
call fcn.0042867c
add esp, 4
lea esi, [ebp + 0x1c]
mov edi, esi
lea eax, [esp + 0x38]
call fcn.004172d0
push 0xffffffffffffffff
push 0
mov ecx, esi
mov byte [esp + 0x3cdc], bl
call fcn.00405070
mov byte [esp + 0x3cd4], 2
cmp dword [esp + 0x50], 8
jb 0x421c35
mov eax, dword [esp + 0x3c]
push eax
call fcn.0042867c
add esp, 4
xor ecx, ecx
push ecx
lea edx, [esp + 0x94]
mov edi, 7
push edx
or eax, 0xffffffff
mov dword [esp + 0x58], edi
mov dword [esp + 0x54], 0
mov word [esp + 0x44], cx
call fcn.00413110
mov dword [esp + 0x3cd4], 0xffffffff
cmp dword [esp + 0xa8], 8
jb 0x421c83
mov eax, dword [esp + 0x94]
push eax
call fcn.0042867c
add esp, 4
xor ecx, ecx
mov dword [esp + 0xa8], edi
mov dword [esp + 0xa4], 0
mov word [esp + 0x94], cx
mov esi, dword [esp + 0x20]
mov edi, dword [esp + 0x18]
push 0
lea edx, [esp + 0x28]
push edx
lea eax, [esp + 0x30]
push eax
push 0x20000005
push edi
mov dword [esp + 0x38], ebx
call dword [sym.imp.WININET.dll_HttpQueryInfoW]
test eax, eax
jne 0x421d28
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [esp + 0x14], 0xfffffffc
test edi, edi
je 0x421ce0
push edi
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov ebx, dword [esp + 0x2c]
test ebx, ebx
je 0x421cef
push ebx
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov eax, dword [esp + 0x30]
push eax
call dword [sym.imp.WININET.dll_InternetCloseHandle]
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x3ccc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x3cb4]
xor ecx, esp
call fcn.00428687
add esp, 0x3cc4
ret 4
cmp dword [esi + 0xc], 0
je 0x421d38
mov dword [esp + 0x14], 0xffffffff
jmp 0x421cd5
cmp dword [ebp + 0x34], 8
jb 0x421d43
mov eax, dword [ebp + 0x20]
jmp 0x421d46
lea eax, [ebp + 0x20]
push 0
push 0
push 2
push 0
push 2
push 0x40000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x421d70
mov dword [esp + 0x14], 0xfffffffb
jmp 0x421cd5
mov eax, dword [esp + 0x28]
mov esi, eax
mov dword [esp + 0x1c], 0
test eax, eax
jbe 0x421e3e
mov edi, dword [sym.imp.KERNEL32.dll_WriteFile]
lea esp, [esp]
mov ecx, dword [esp + 0x20]
cmp dword [ecx + 0xc], 0
jne 0x421e22
mov ecx, dword [esp + 0x18]
lea edx, [esp + 0x1c]
push edx
push 0x2800
lea eax, [esp + 0x14d0]
push eax
push ecx
call dword [sym.imp.WININET.dll_InternetReadFile]
test eax, eax
je 0x421e2c
mov ecx, dword [esp + 0x28]
sub esi, dword [esp + 0x1c]
mov eax, ecx
sub eax, esi
imul eax, eax, 0x64
xor edx, edx
div ecx
test eax, eax
jge 0x421dda
xor eax, eax
jmp 0x421de4
cmp eax, 0x64
jle 0x421de4
mov eax, 0x64
mov ecx, dword [ebp + 0x44]
test ecx, ecx
je 0x421dfd
mov edx, dword [ebp + 0x4c]
push eax
mov eax, dword [ebp + 0x48]
push 0
push 2
push edx
push eax
call ecx
add esp, 0x14
mov edx, dword [esp + 0x1c]
push 0
lea ecx, [esp + 0x20]
push ecx
push edx
lea eax, [esp + 0x14d4]
push eax
push ebx
call edi
test eax, eax
je 0x421e36
test esi, esi
ja 0x421d90
jmp 0x421e3e
mov dword [esp + 0x14], 0xffffffff
jmp 0x421e3e
mov dword [esp + 0x14], 0xfffffffa
jmp 0x421e3e
mov dword [esp + 0x14], 0xfffffff9
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, dword [esp + 0x18]
test esi, esi
ja 0x421cd5
mov dword [esp + 0x14], 0
jmp 0x421cd5