Function at 0x5cb350
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
lea ebp, [esp - 0x3a8]
sub esp, 0x3a8
push 0xffffffffffffffff
push 0x663d58
mov eax, dword fs:[0]
push eax
sub esp, 0x24
mov eax, dword [0x755898]
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 0x5cb3a8
xor eax, eax
jmp 0x5cb6f7
call fcn.005c8c60
cmp dword [0x75c7d8], edi
jne 0x5cb3f5
mov eax, dword [0x75c7d4]
cmp eax, edi
jne 0x5cb3d4
push str.Urlmon.dll
call fcn.00447580
add esp, 4
mov dword [0x75c7d4], eax
cmp eax, edi
je 0x5cb3e5
push str.FindMimeFromData
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [0x75c7d8], eax
cmp dword [0x75c7d8], edi
jne 0x5cb3f5
cmp dword [0x75c7cc], edi
je 0x5cb3a1
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 0x5cb3a1
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.0061d9e0
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 0x5cb6db
cmp dword [ebp - 0x18], edi
jbe 0x5cb6db
cmp dword [0x75c7d8], edi
je 0x5cb563
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 [0x75c7d8]
cmp eax, edi
jne 0x5cb54c
mov eax, dword [ebp - 0x20]
cmp eax, edi
je 0x5cb54c
mov byte [ebp - 0x11], 0
push eax
lea ecx, [ebp - 0x1c]
call fcn.0040e4f0
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 0x5cb4df
push str.application_octet_stream
mov edx, dword [ebp - 0x1c]
push edx
call fcn.0061ee1e
add esp, 8
test eax, eax
je 0x5cb540
push 0x67b5bc
mov eax, dword [ebp - 0x1c]
push eax
call fcn.0061ee1e
add esp, 8
test eax, eax
je 0x5cb540
push str.text_html
mov ecx, dword [ebp - 0x1c]
push ecx
call fcn.0061ee1e
add esp, 8
test eax, eax
je 0x5cb540
mov edx, dword [ebp - 0x30]
push edx
mov eax, dword [ebp - 0x1c]
push eax
mov ecx, 0x75ac88
call fcn.00430750
test eax, eax
je 0x5cb54c
mov dword [ebp - 0x24], 1
mov dword [ebp - 4], edi
jmp 0x5cb563
cmp dword [0x75c7cc], edi
je 0x5cb54c
mov byte [ebp - 0x11], 1
mov dword [ebp - 4], edi
jmp 0x5cb563
cmp dword [0x75c7cc], edi
je 0x5cb6db
cmp byte [ebp - 0x11], 0
je 0x5cb6db
push 0x2a0
push edi
lea ecx, [ebp]
push ecx
call fcn.0061d9e0
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 0x5cb5b2
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x5cb646
push 1
push 0
push 0
mov ecx, dword [ebp - 0x2c]
push ecx
call fcn.00621c40
xor ecx, ecx
add eax, esi
adc edx, ecx
js 0x5cb646
jg 0x5cb5d2
cmp eax, 0x100
jbe 0x5cb646
test edx, edx
jg 0x5cb5e3
jl 0x5cb5df
cmp eax, 0x2710
jae 0x5cb5e3
mov ebx, eax
jmp 0x5cb5e8
mov ebx, 0x2710
push ebx
call fcn.005f15c2
add esp, 4
mov esi, eax
test esi, esi
je 0x5cb646
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 0x5cb63b
mov eax, dword [ebp - 0x18]
test eax, eax
jbe 0x5cb63b
lea edx, [ebp]
push edx
push 0
push eax
push esi
call dword [0x75c7cc]
mov edi, eax
push esi
call fcn.005f15b7
add esp, 4
jmp 0x5cb65f
lea eax, [ebp]
push eax
push 0
mov ecx, dword [ebp - 0x18]
push ecx
lea edx, [ebp + 0x2a0]
push edx
call dword [0x75c7cc]
mov edi, eax
cmp edi, 3
jne 0x5cb66e
cmp ebx, 0x1388
jb 0x5cb6db
jmp 0x5cb678
cmp edi, 1
je 0x5cb678
cmp edi, 2
jne 0x5cb6db
lea eax, [ebp + 0x12d]
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x5cb681
sub eax, edx
je 0x5cb6a6
lea eax, [ebp + 0x12d]
push eax
push 0x675ea0
mov ecx, dword [ebp - 0x30]
push ecx
call fcn.00402f70
add esp, 0xc
jmp 0x5cb6d4
lea eax, [ebp + 0xc9]
lea edx, [eax + 1]
nop
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x5cb6b0
sub eax, edx
je 0x5cb6db
mov edx, dword [ebp - 0x30]
push edx
lea eax, [ebp + 0xc9]
push eax
mov ecx, 0x75ac88
call fcn.00430750
test eax, eax
je 0x5cb6db
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.0061d2ff
add ebp, 0x3a8
mov esp, ebp
pop ebp
ret