Function at 0x20002a27
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x2c
push ebx
push esi
push edi
nop
mov edi, edi
nop
mov edi, edi
xor esi, esi
mov eax, dword [ebp + 0xc]
push esi
push esi
push 3
push esi
push 1
push 0x80000000
push dword [ebp + 8]
mov dword [eax], esi
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
mov dword [ebp + 8], edi
je 0x20002ba7
mov ebx, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 2
push esi
push 0xfffffffffffffffc
push edi
call ebx
lea eax, [ebp - 8]
push esi
mov esi, dword [sym.imp.KERNEL32.dll_ReadFile]
push eax
lea eax, [ebp - 0xc]
push 4
push eax
push edi
call esi
cmp dword [ebp - 0xc], 0xbc42dafc
je 0x20002a97
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x20002ba7
nop
mov edi, edi
nop
mov edi, edi
xor edi, edi
push 2
push edi
push 0xfffffffffffffff8
push dword [ebp + 8]
call ebx
lea eax, [ebp - 8]
push edi
push eax
lea eax, [ebp - 4]
push 4
push eax
push dword [ebp + 8]
call esi
push edi
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ecx, dword [ebp - 4]
cmp ecx, eax
ja 0x20002aea
push 2
push edi
neg ecx
push ecx
push dword [ebp + 8]
call ebx
mov eax, dword [ebp - 4]
add eax, 0xfffffff8
push eax
call dword [sym.imp.MSVCRT.dll_malloc]
cmp eax, edi
pop ecx
mov dword [ebp - 0x10], eax
jne 0x20002aef
push dword [ebp + 8]
jmp 0x20002a8c
lea ecx, [ebp - 8]
push edi
push ecx
mov ecx, dword [ebp - 4]
add ecx, 0xfffffff8
push ecx
push eax
push dword [ebp + 8]
call esi
mov eax, dword [ebp - 4]
mov ebx, 0x8c
add eax, 0xfffffff8
xor edx, edx
mov ecx, ebx
div ecx
test eax, eax
jle 0x20002b49
mov eax, dword [ebp - 0x10]
mov esi, 0x20005028
mov dword [ebp - 0x14], eax
push esi
call sub.MSVCRT.dll_strlen
push eax
push esi
push ebx
push dword [ebp - 0x14]
call fcn.20002e76
mov eax, dword [ebp - 4]
xor edx, edx
add eax, 0xfffffff8
mov ecx, ebx
div ecx
add dword [ebp - 0x14], ebx
add esp, 0x14
inc edi
cmp edi, eax
jl 0x20002b21
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
nop
mov edi, edi
nop
mov edi, edi
mov eax, dword [ebp + 0x10]
xor esi, esi
mov dword [ebp - 0x18], esi
cmp dword [eax], 0xffffffff
jne 0x20002b7c
mov ecx, dword [ebp + 0xc]
mov eax, dword [ebp - 0x10]
xor edx, edx
mov dword [ecx], eax
mov eax, dword [ebp - 4]
add eax, 0xfffffff8
div ebx
jmp 0x20002c36
nop
mov edi, edi
nop
mov edi, edi
push 9
lea eax, [ebp - 0x2c]
push esi
push eax
call sub.MSVCRT.dll_memset
mov eax, dword [ebp - 4]
add eax, 0xfffffff8
push eax
call dword [sym.imp.MSVCRT.dll_malloc]
mov ecx, eax
add esp, 0x10
cmp ecx, esi
mov dword [ebp - 0x20], ecx
jne 0x20002bae
xor eax, eax
jmp 0x20002c36
mov eax, dword [ebp - 4]
mov dword [ebp - 0x14], esi
add eax, 0xfffffff8
xor edx, edx
mov esi, ebx
div esi
test eax, eax
jle 0x20002c1b
mov esi, dword [ebp - 0x10]
mov dword [ebp + 8], ecx
mov dword [ebp - 0x1c], esi
lea eax, [esi + 0x84]
push 8
push eax
lea eax, [ebp - 0x2c]
push eax
call dword [sym.imp.MSVCRT.dll_strncpy]
push dword [ebp + 0x10]
lea eax, [ebp - 0x2c]
push eax
call dword [sym.imp.MSVCRT.dll__strcmpi]
add esp, 0x14
test eax, eax
jne 0x20002bff
mov edi, dword [ebp + 8]
inc dword [ebp - 0x18]
add dword [ebp + 8], ebx
push 0x23
pop ecx
rep movsd dword es:[edi], dword [esi]
mov eax, dword [ebp - 4]
xor edx, edx
add eax, 0xfffffff8
mov ecx, ebx
div ecx
mov esi, dword [ebp - 0x1c]
inc dword [ebp - 0x14]
add esi, ebx
mov dword [ebp - 0x1c], esi
cmp dword [ebp - 0x14], eax
jl 0x20002bca
nop
mov edi, edi
nop
mov edi, edi
push dword [ebp - 0x10]
call dword [sym.imp.MSVCRT.dll_free]
mov eax, dword [ebp + 0xc]
pop ecx
mov ecx, dword [ebp - 0x20]
mov dword [eax], ecx
mov eax, dword [ebp - 0x18]
pop edi
pop esi
pop ebx
leave
ret