Function at 0x40b0b6
Capabilities:
Get file size
Read file on windows

Disassembly:
mov eax, 0x445600
call fcn.004312c8
sub esp, 0x5c
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x10], esp
push str.crypt32.dll
mov dword [ebp - 4], ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov dword [ebp - 0x1c], eax
cmp eax, ebx
mov byte [ebp - 4], 1
je 0x40b19e
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.CertCompareCertificate
push eax
call esi
push str.CertAddSerializedElementToStore
mov dword [ebp - 0x24], eax
push dword [ebp - 0x1c]
call esi
push str.CertFreeCertificateContext
mov dword [ebp - 0x20], eax
push dword [ebp - 0x1c]
call esi
cmp dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], eax
je 0x40b19e
cmp dword [ebp - 0x20], ebx
je 0x40b19e
cmp eax, ebx
je 0x40b19e
lea eax, [ebp - 0x11]
push ebx
push eax
lea ecx, [ebp - 0x68]
mov dword [ebp - 0x68], 0x4494c4
mov dword [ebp - 0x48], 0x4494bc
call fcn.00401586
mov eax, dword [ebp + 0xc]
mov byte [ebp - 4], 2
cmp eax, ebx
jne 0x40b150
mov eax, 0x45d464
push eax
lea ecx, [ebp - 0x68]
call fcn.004016cc
mov eax, dword [ebp - 0x60]
cmp eax, ebx
jne 0x40b165
mov eax, 0x4494dc
push ebx
push 0x80
push 3
push ebx
push ebx
push SysReAllocString
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x18], eax
cmp eax, ebx
mov byte [ebp - 4], 3
jne 0x40b1ae
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], 2
call fcn.0040b2d7
lea ecx, [ebp - 0x68]
mov byte [ebp - 4], 1
call fcn.00401929
lea ecx, [ebp - 0x1c]
mov byte [ebp - 4], bl
call fcn.0040b2f1
jmp 0x40b259
push ebx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
lea eax, [esi + 1]
push eax
call fcn.004312e7
mov edi, eax
pop ecx
cmp edi, ebx
mov dword [ebp - 0x34], edi
setne byte [ebp - 0x38]
lea eax, [ebp - 0x30]
push ebx
push eax
push esi
push edi
push dword [ebp - 0x18]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x40b1ef
cmp byte [ebp - 0x38], bl
je 0x40b186
push edi
call fcn.004305fc
pop ecx
jmp 0x40b186
mov eax, dword [ebp - 0x28]
mov dword [ebp - 0x40], ebx
mov dword [ebp - 0x3c], eax
lea eax, [ebp - 0x40]
mov byte [ebp - 4], 5
push eax
lea eax, [ebp - 0x2c]
push eax
push 0xffffffffffffffff
push ebx
push 4
push esi
push edi
push ebx
call dword [ebp - 0x20]
cmp eax, ebx
je 0x40b218
cmp dword [ebp - 0x2c], ebx
jne 0x40b26c
cmp byte [ebp - 0x38], bl
je 0x40b224
push edi
call fcn.004305fc
pop ecx
cmp dword [ebp - 0x18], ebx
je 0x40b23a
mov eax, dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp eax, ebx
je 0x40b23a
push dword [ebp - 0x18]
call eax
mov dword [ebp - 0x18], ebx
lea ecx, [ebp - 0x68]
mov byte [ebp - 4], 1
call fcn.00401929
cmp dword [ebp - 0x1c], ebx
je 0x40b259
mov eax, dword [sym.imp.KERNEL32.dll_FreeLibrary]
cmp eax, ebx
je 0x40b259
push dword [ebp - 0x1c]
call eax
xor eax, eax
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
leave
ret 8
push dword [ebp + 8]
mov eax, dword [ebp - 0x40]
push dword [eax + 0xc]
push 1
call dword [ebp - 0x24]
cmp byte [ebp - 0x38], bl
mov esi, eax
je 0x40b288
push edi
call fcn.004305fc
pop ecx
cmp dword [ebp - 0x18], ebx
je 0x40b29e
mov eax, dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp eax, ebx
je 0x40b29e
push dword [ebp - 0x18]
call eax
mov dword [ebp - 0x18], ebx
lea ecx, [ebp - 0x68]
mov byte [ebp - 4], 1
call fcn.00401929
cmp dword [ebp - 0x1c], ebx
je 0x40b2bd
mov eax, dword [sym.imp.KERNEL32.dll_FreeLibrary]
cmp eax, ebx
je 0x40b2bd
push dword [ebp - 0x1c]
call eax
mov eax, esi
jmp 0x40b25b