Function at 0x41cd80
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
lea ebp, [esp - 0x70]
sub esp, 0x70
push 0xffffffffffffffff
push 0x42d18f
mov eax, dword fs:[0]
push eax
sub esp, 0x1c
mov eax, dword [0x439008]
xor eax, ebp
mov dword [ebp + 0x6c], 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 + 0x78]
mov byte [edi + 8], 0
call dword [eax]
push 4
mov dword [ebp + 0x68], 0
call fcn.0042952a
mov dword [ebp + 0xc], eax
mov dword [ebp - 4], 0
mov dword [eax], 0
mov dword [eax], 0xffffffff
mov dword [ebp - 4], 0xffffffff
mov dword [ebp + 0x68], eax
mov dword [ebp - 4], 1
sub esp, 0xc
lea ecx, [ebp + 0x68]
push esi
call fcn.0041b150
test al, al
jne 0x41ce97
lea ecx, [ebp + 0x14]
call fcn.0041d830
mov byte [ebp - 4], 2
cmp dword [edi + 4], 0
je 0x41ce3b
sub esp, 0x18
lea eax, [ebp + 0x14]
mov ecx, esp
mov dword [ebp + 0xc], esp
push eax
call fcn.00408e20
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
mov edx, dword [ebp + 0x28]
cmp edx, 8
jb 0x41ce7b
mov ecx, dword [ebp + 0x14]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x41ce71
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x41ce71
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.0042955a
add esp, 8
mov esi, dword [ebp + 0x68]
xor eax, eax
mov dword [ebp + 0x24], 0
mov dword [ebp + 0x28], 7
mov word [ebp + 0x14], ax
jmp 0x41d1bf
mov esi, dword [ebp + 0x68]
test esi, esi
je 0x41d11c
mov eax, dword [esi]
cmp eax, 0xffffffff
je 0x41d11c
lea ecx, [ebp + 0x60]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x41cecd
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x41d11c
mov ecx, dword [ebp + 0x60]
xor eax, eax
add eax, ebx
mov dword [ebp + 0xc], eax
adc ecx, 0
or eax, ecx
mov dword [ebp], ecx
je 0x41d11c
xorps xmm0, xmm0
mov byte [ebp + 0x13], 1
push 0x10000
mov dword [ebp + 0x64], 0
movlpd qword [ebp + 0x5c], xmm0
call fcn.00429568
mov ecx, dword [ebp + 0x5c]
mov ebx, eax
mov eax, dword [ebp + 0x60]
add esp, 4
mov dword [ebp + 4], eax
mov dword [ebp + 8], ecx
test ebx, ebx
je 0x41d04a
cmp dword [esi], 0xffffffff
je 0x41d062
push 0
lea eax, [ebp + 0x64]
mov dword [ebp + 0x64], 0
push eax
push 0x10000
push ebx
push dword [esi]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x41d04a
cmp byte [edi + 8], 0
jne 0x41cfbb
mov ecx, dword [ebp + 0x64]
test ecx, ecx
je 0x41d047
mov eax, dword [edi]
push ecx
push ebx
mov ecx, edi
call dword [eax + 4]
mov edx, dword [ebp + 8]
add edx, dword [ebp + 0x64]
mov ecx, dword [ebp + 4]
mov eax, dword [edi + 4]
adc ecx, 0
mov dword [ebp + 8], edx
mov dword [ebp + 4], ecx
test eax, eax
je 0x41cfac
mov esi, dword [eax]
mov edx, ecx
mov ecx, dword [ebp + 8]
call fcn.0042acb0
mov edx, dword [ebp]
mov ecx, dword [ebp + 0xc]
movsd qword [ebp + 0x5c], xmm0
call fcn.0042acb0
movsd xmm1, qword [ebp + 0x5c]
sub esp, 8
divsd xmm1, xmm0
mov ecx, dword [edi + 4]
movsd qword [esp], xmm1
call dword [esi]
mov esi, dword [ebp + 0x68]
mov dword [ebp + 0x64], 0
jmp 0x41cf13
xor eax, eax
mov dword [ebp + 0x54], 0
mov dword [ebp + 0x58], 0
mov dword [ebp + 0x54], 0
mov dword [ebp + 0x58], 7
mov word [ebp + 0x44], ax
mov byte [ebp - 4], 6
lea eax, [ebp + 0x44]
push eax
push 0
mov ecx, edi
call fcn.0041d220
xor al, al
mov byte [ebp + 0x13], al
mov byte [ebp - 4], 1
mov edx, dword [ebp + 0x58]
cmp edx, 8
jb 0x41d033
mov ecx, dword [ebp + 0x44]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x41d029
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x41d029
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.0042955a
add esp, 8
xor eax, eax
mov dword [ebp + 0x54], 0
mov dword [ebp + 0x58], 7
mov word [ebp + 0x44], ax
mov esi, dword [ebp + 0x68]
mov eax, dword [esi]
cmp eax, 0xffffffff
je 0x41d062
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
je 0x41d062
mov dword [esi], 0xffffffff
push ebx
call fcn.0042932a
mov eax, dword [edi]
add esp, 4
mov ecx, edi
call dword [eax + 8]
mov edx, 7
mov dword [ebp - 0x10], 0
xor eax, eax
mov dword [ebp - 0x14], 0
mov dword [ebp - 0x10], edx
mov dword [ebp - 0x14], 0
mov word [ebp - 0x24], ax
mov byte [ebp - 4], dl
cmp dword [edi + 4], eax
je 0x41d0c3
sub esp, 0x18
lea eax, [ebp - 0x24]
mov ecx, esp
mov dword [ebp + 0xc], esp
push eax
call fcn.00408e20
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 edx, dword [ebp - 0x10]
mov byte [ebp - 4], 1
cmp edx, 8
jb 0x41d100
mov ecx, dword [ebp - 0x24]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x41d0f6
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x41d0f6
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.0042955a
add esp, 8
mov bl, byte [ebp + 0x13]
xor eax, eax
mov dword [ebp - 0x14], 0
mov dword [ebp - 0x10], 7
mov word [ebp - 0x24], ax
jmp 0x41d1c1
mov eax, 7
mov dword [ebp + 0x40], 0
xor ecx, ecx
mov dword [ebp + 0x3c], 0
mov dword [ebp + 0x40], eax
mov dword [ebp + 0x3c], 0
mov word [ebp + 0x2c], cx
mov byte [ebp - 4], 4
cmp dword [edi + 4], ecx
je 0x41d16e
sub esp, 0x18
lea eax, [ebp + 0x2c]
mov ecx, esp
mov dword [ebp + 0xc], esp
push eax
call fcn.00408e20
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 eax, dword [ebp + 0x40]
mov byte [ebp - 4], 1
cmp eax, 8
jb 0x41d1ab
mov ecx, dword [ebp + 0x2c]
lea edx, [eax*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x41d1a1
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x41d1a1
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.0042955a
add esp, 8
xor eax, eax
mov dword [ebp + 0x3c], 0
mov dword [ebp + 0x40], 7
mov word [ebp + 0x2c], ax
xor bl, bl
mov dword [ebp - 4], 0xffffffff
test esi, esi
je 0x41d1f6
mov eax, dword [esi]
cmp eax, 0xffffffff
je 0x41d1e4
test eax, eax
je 0x41d1e4
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [esi], 0
push 4
push esi
call fcn.0042955a
add esp, 8
mov dword [ebp + 0x68], 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 + 0x6c]
xor ecx, ebp
call fcn.00429319
lea esp, [ebp + 0x70]
pop ebp
ret 4