Function at 0x100187a0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x100baee2
mov eax, dword fs:[0]
push eax
sub esp, 0x98
mov eax, dword [0x100fb03c]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov eax, dword [edi]
mov esi, dword [ebp + 8]
mov byte [edi + 8], 0
call dword [eax]
push 4
mov dword [ebp - 0x74], 0
call fcn.100881bb
add esp, 4
mov dword [ebp - 0x78], eax
mov dword [ebp - 4], 0
mov dword [eax], 0
mov dword [eax], 0xffffffff
mov dword [ebp - 4], 0xffffffff
mov dword [ebp - 0x74], eax
mov dword [ebp - 4], 1
lea ecx, [ebp - 0x74]
push 0x80
push 3
push 1
push 0x80000000
push esi
call fcn.10018bc0
test al, al
jne 0x10018877
lea ecx, [ebp - 0x3c]
call fcn.10019fd0
mov byte [ebp - 4], 2
cmp dword [edi + 4], 0
je 0x10018863
sub esp, 0x18
lea eax, [ebp - 0x3c]
mov ecx, esp
mov dword [ebp - 0x78], esp
push eax
call fcn.10008cd0
mov byte [ebp - 4], 3
mov ecx, dword [edi + 4]
push 0
mov eax, dword [ecx]
mov byte [ebp - 4], 2
call dword [eax + 4]
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x3c]
call fcn.10004840
mov esi, dword [ebp - 0x74]
jmp 0x10018a80
mov esi, dword [ebp - 0x74]
test esi, esi
je 0x10018a3f
mov eax, dword [esi]
cmp eax, 0xffffffff
je 0x10018a3f
lea ecx, [ebp - 0x20]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x100188ad
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x10018a3f
mov ecx, dword [ebp - 0x20]
xor eax, eax
add eax, ebx
mov dword [ebp - 0x78], eax
adc ecx, 0
or eax, ecx
mov dword [ebp - 0x84], ecx
je 0x10018a3f
xorps xmm0, xmm0
mov byte [ebp - 0x6d], 1
push 0x10000
mov dword [ebp - 0x18], 0
movlpd qword [ebp - 0x24], xmm0
call fcn.1008855c
mov ecx, dword [ebp - 0x24]
mov ebx, eax
mov eax, dword [ebp - 0x20]
add esp, 4
mov dword [ebp - 0x80], eax
mov dword [ebp - 0x7c], ecx
test ebx, ebx
je 0x100189ce
cmp dword [esi], 0xffffffff
je 0x100189e6
push 0
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0
push eax
push 0x10000
push ebx
push dword [esi]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x100189ce
cmp byte [edi + 8], 0
jne 0x100189a1
mov ecx, dword [ebp - 0x18]
test ecx, ecx
je 0x100189cb
mov eax, dword [edi]
push ecx
push ebx
mov ecx, edi
call dword [eax + 4]
mov edx, dword [ebp - 0x7c]
add edx, dword [ebp - 0x18]
mov ecx, dword [ebp - 0x80]
mov eax, dword [edi + 4]
adc ecx, 0
mov dword [ebp - 0x7c], edx
mov dword [ebp - 0x80], ecx
test eax, eax
je 0x10018992
mov esi, dword [eax]
mov edx, ecx
mov ecx, dword [ebp - 0x7c]
call fcn.100b7d60
mov edx, dword [ebp - 0x84]
mov ecx, dword [ebp - 0x78]
movsd qword [ebp - 0x24], xmm0
call fcn.100b7d60
movsd xmm1, qword [ebp - 0x24]
sub esp, 8
divsd xmm1, xmm0
mov ecx, dword [edi + 4]
movsd qword [esp], xmm1
call dword [esi]
mov esi, dword [ebp - 0x74]
mov dword [ebp - 0x18], 0
jmp 0x100188f6
lea ecx, [ebp - 0x54]
call fcn.10004970
mov byte [ebp - 4], 6
lea eax, [ebp - 0x54]
push eax
push 0
mov ecx, edi
call fcn.10018ae0
xor al, al
mov byte [ebp - 0x6d], al
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x54]
call fcn.10004840
mov esi, dword [ebp - 0x74]
mov eax, dword [esi]
cmp eax, 0xffffffff
je 0x100189e6
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
je 0x100189e6
mov dword [esi], 0xffffffff
push ebx
call fcn.100881b6
mov eax, dword [edi]
add esp, 4
mov ecx, edi
call dword [eax + 8]
lea ecx, [ebp - 0xa0]
call fcn.10004970
mov byte [ebp - 4], 7
cmp dword [edi + 4], 0
je 0x10018a2b
sub esp, 0x18
mov ecx, esp
mov dword [ebp - 0x78], esp
push eax
call fcn.10008cd0
mov byte [ebp - 4], 8
mov ecx, dword [edi + 4]
push 1
mov eax, dword [ecx]
mov byte [ebp - 4], 7
call dword [eax + 4]
mov byte [ebp - 4], 1
lea ecx, [ebp - 0xa0]
call fcn.10004840
mov bl, byte [ebp - 0x6d]
jmp 0x10018a82
lea ecx, [ebp - 0x6c]
call fcn.10004970
mov byte [ebp - 4], 4
cmp dword [edi + 4], 0
je 0x10018a74
sub esp, 0x18
lea eax, [ebp - 0x6c]
mov ecx, esp
mov dword [ebp - 0x78], esp
push eax
call fcn.10008cd0
mov byte [ebp - 4], 5
mov ecx, dword [edi + 4]
push 0
mov eax, dword [ecx]
mov byte [ebp - 4], 4
call dword [eax + 4]
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x6c]
call fcn.10004840
xor bl, bl
mov dword [ebp - 4], 0xffffffff
test esi, esi
je 0x10018ab7
mov eax, dword [esi]
cmp eax, 0xffffffff
je 0x10018aa5
test eax, eax
je 0x10018aa5
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esi], 0
push 4
push esi
call fcn.1008854e
add esp, 8
mov dword [ebp - 0x74], 0
mov al, bl
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.100881a5
mov esp, ebp
pop ebp
ret 4