Function at 0x5c6190
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
lea ebp, [esp - 0x3a8]
sub esp, 0x3a8
push 0xffffffffffffffff
push 0x65e9c8
mov eax, dword fs:[0]
push eax
sub esp, 0x24
mov eax, dword [0x74f8a0]
xor eax, ebp
mov dword [ebp + 0x3a4], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov esi, dword [ebp + 0x3b0]
mov eax, dword [ebp + 0x3b4]
mov dword [ebp - 0x30], eax
xor edi, edi
cmp esi, edi
jne 0x5c61e8
xor eax, eax
jmp 0x5c6537
call fcn.005c3aa0
cmp dword [0x7567e0], edi
jne 0x5c6235
mov eax, dword [0x7567dc]
cmp eax, edi
jne 0x5c6214
push str.Urlmon.dll
call fcn.00447490
add esp, 4
mov dword [0x7567dc], eax
cmp eax, edi
je 0x5c6225
push str.FindMimeFromData
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [0x7567e0], eax
cmp dword [0x7567e0], edi
jne 0x5c6235
cmp dword [0x7567d4], edi
je 0x5c61e1
push edi
push edi
push 3
push edi
push 3
push 0x80000000
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
mov dword [ebp - 0x28], esi
cmp esi, 0xffffffff
je 0x5c61e1
mov byte [ebp - 0x11], 1
mov dword [ebp - 0x24], edi
lea ecx, [ebp - 0x1c]
call fcn.00402500
mov dword [ebp - 4], edi
mov ebx, 0x100
mov dword [ebp - 0x2c], ebx
push 0x101
push edi
lea ecx, [ebp + 0x2a0]
push ecx
call fcn.00618760
add esp, 0xc
mov dword [ebp - 0x18], edi
push edi
lea edx, [ebp - 0x18]
push edx
push ebx
lea eax, [ebp + 0x2a0]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
cmp eax, edi
je 0x5c651b
cmp dword [ebp - 0x18], edi
jbe 0x5c651b
cmp dword [0x7567e0], edi
je 0x5c63a3
mov byte [ebp - 4], 1
mov dword [ebp - 0x20], edi
push edi
lea ecx, [ebp - 0x20]
push ecx
push edi
push edi
mov edx, dword [ebp - 0x18]
push edx
lea eax, [ebp + 0x2a0]
push eax
push edi
push edi
call dword [0x7567e0]
cmp eax, edi
jne 0x5c638c
mov eax, dword [ebp - 0x20]
cmp eax, edi
je 0x5c638c
mov byte [ebp - 0x11], 0
push eax
lea ecx, [ebp - 0x1c]
call fcn.0040e410
mov byte [ebp - 4], 2
mov ecx, dword [ebp - 0x20]
push ecx
call dword [sym.imp.ole32.dll_CoTaskMemFree]
mov dword [ebp - 4], 1
jmp 0x5c631f
push str.application_octet_stream
mov edx, dword [ebp - 0x1c]
push edx
call fcn.00619b9e
add esp, 8
test eax, eax
je 0x5c6380
push 0x67555c
mov eax, dword [ebp - 0x1c]
push eax
call fcn.00619b9e
add esp, 8
test eax, eax
je 0x5c6380
push str.text_html
mov ecx, dword [ebp - 0x1c]
push ecx
call fcn.00619b9e
add esp, 8
test eax, eax
je 0x5c6380
mov edx, dword [ebp - 0x30]
push edx
mov eax, dword [ebp - 0x1c]
push eax
mov ecx, 0x754c98
call fcn.004306c0
test eax, eax
je 0x5c638c
mov dword [ebp - 0x24], 1
mov dword [ebp - 4], edi
jmp 0x5c63a3
cmp dword [0x7567d4], edi
je 0x5c638c
mov byte [ebp - 0x11], 1
mov dword [ebp - 4], edi
jmp 0x5c63a3
cmp dword [0x7567d4], edi
je 0x5c651b
cmp byte [ebp - 0x11], 0
je 0x5c651b
push 0x2a0
push edi
lea ecx, [ebp]
push ecx
call fcn.00618760
add esp, 0xc
mov byte [ebp], 1
lea edx, [ebp - 0x2c]
push edx
mov eax, dword [ebp - 0x28]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, 0xffffffff
jne 0x5c63f2
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x5c6486
push 1
push 0
push 0
mov ecx, dword [ebp - 0x2c]
push ecx
call fcn.0061cd30
xor ecx, ecx
add eax, esi
adc edx, ecx
js 0x5c6486
jg 0x5c6412
cmp eax, 0x100
jbe 0x5c6486
test edx, edx
jg 0x5c6423
jl 0x5c641f
cmp eax, 0x2710
jae 0x5c6423
mov ebx, eax
jmp 0x5c6428
mov ebx, 0x2710
push ebx
call fcn.005ec342
add esp, 4
mov esi, eax
test esi, esi
je 0x5c6486
mov dword [ebp - 0x18], 0
push 0
push 0
push 0
mov edx, dword [ebp - 0x28]
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x18]
push eax
push ebx
push esi
mov ecx, dword [ebp - 0x28]
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x5c647b
mov eax, dword [ebp - 0x18]
test eax, eax
jbe 0x5c647b
lea edx, [ebp]
push edx
push 0
push eax
push esi
call dword [0x7567d4]
mov edi, eax
push esi
call fcn.005ec337
add esp, 4
jmp 0x5c649f
lea eax, [ebp]
push eax
push 0
mov ecx, dword [ebp - 0x18]
push ecx
lea edx, [ebp + 0x2a0]
push edx
call dword [0x7567d4]
mov edi, eax
cmp edi, 3
jne 0x5c64ae
cmp ebx, 0x1388
jb 0x5c651b
jmp 0x5c64b8
cmp edi, 1
je 0x5c64b8
cmp edi, 2
jne 0x5c651b
lea eax, [ebp + 0x12d]
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x5c64c1
sub eax, edx
je 0x5c64e6
lea eax, [ebp + 0x12d]
push eax
push 0x66fea8
mov ecx, dword [ebp - 0x30]
push ecx
call fcn.00402f70
add esp, 0xc
jmp 0x5c6514
lea eax, [ebp + 0xc9]
lea edx, [eax + 1]
nop
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x5c64f0
sub eax, edx
je 0x5c651b
mov edx, dword [ebp - 0x30]
push edx
lea eax, [ebp + 0xc9]
push eax
mov ecx, 0x754c98
call fcn.004306c0
test eax, eax
je 0x5c651b
mov dword [ebp - 0x24], 1
mov ecx, dword [ebp - 0x28]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x1c]
call fcn.00402570
mov eax, dword [ebp - 0x24]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp + 0x3a4]
xor ecx, ebp
call fcn.0061807e
add ebp, 0x3a8
mov esp, ebp
pop ebp
ret