Function at 0x41fc31
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x5c
lea eax, [ebp - 0x44]
push eax
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
mov dword [ebp - 4], eax
cmp dword [ebp - 4], 0
jne 0x41fc57
mov eax, 0x200
jmp 0x41fe53
mov eax, dword [ebp - 0x44]
mov dword [ebp - 0xc], eax
and dword [ebp - 8], 0
mov eax, dword [ebp - 0xc]
and eax, 1
je 0x41fc72
mov eax, dword [ebp - 8]
or eax, 1
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
and eax, 2
je 0x41fc83
mov eax, dword [ebp - 8]
or eax, 2
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
and eax, 4
je 0x41fc94
mov eax, dword [ebp - 8]
or eax, 4
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
and eax, 0x10
je 0x41fca5
mov eax, dword [ebp - 8]
or eax, 0x10
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
and eax, 0x20
je 0x41fcb6
mov eax, dword [ebp - 8]
or eax, 0x20
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
and eax, 0x10
je 0x41fccb
mov eax, dword [ebp - 8]
or eax, 0x40000000
mov dword [ebp - 8], eax
jmp 0x41fcd6
mov eax, dword [ebp - 8]
or eax, 0x80000000
mov dword [ebp - 8], eax
mov eax, dword [ebp - 8]
or eax, 0x1000000
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
and eax, 1
je 0x41fceb
jmp 0x41fcf6
mov eax, dword [ebp - 8]
or eax, 0x800000
mov dword [ebp - 8], eax
push 0
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x48], eax
cmp dword [ebp - 0x48], 0x28
jbe 0x41fdc0
push 0
push 0
push 0
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x10]
push eax
push 2
lea eax, [ebp - 0x4c]
push eax
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_ReadFile]
push 0
push 0
push 0x24
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x10]
push eax
push 4
lea eax, [ebp - 0x50]
push eax
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_ReadFile]
movzx eax, word [ebp - 0x4c]
cmp eax, 0x54ad
jne 0x41fdc0
mov eax, dword [ebp - 0x50]
add eax, 0x34
cmp dword [ebp - 0x48], eax
jbe 0x41fdc0
push 0
push 0
push dword [ebp - 0x50]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x10]
push eax
push 4
lea eax, [ebp - 0x54]
push eax
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_ReadFile]
cmp dword [ebp - 0x54], 0x5a4d
je 0x41fdb5
cmp dword [ebp - 0x54], 0x454e
je 0x41fdb5
cmp dword [ebp - 0x54], 0x454c
je 0x41fdb5
cmp dword [ebp - 0x54], 0x4550
jne 0x41fdc0
mov eax, dword [ebp - 8]
or eax, 0x400000
mov dword [ebp - 8], eax
cmp dword [ebp + 0xc], 0
je 0x41fdce
mov eax, dword [ebp + 0xc]
mov ecx, dword [ebp - 8]
mov dword [eax], ecx
cmp dword [ebp + 0x10], 0
je 0x41fddc
mov eax, dword [ebp + 0x10]
mov ecx, dword [ebp - 0x48]
mov dword [eax], ecx
cmp dword [ebp + 0x14], 0
je 0x41fe23
push dword [ebp - 0x34]
push dword [ebp - 0x38]
call fcn.0041fb5c
pop ecx
pop ecx
mov ecx, dword [ebp + 0x14]
mov dword [ecx], eax
mov dword [ecx + 4], edx
push dword [ebp - 0x2c]
push dword [ebp - 0x30]
call fcn.0041fb5c
pop ecx
pop ecx
mov ecx, dword [ebp + 0x14]
mov dword [ecx + 8], eax
mov dword [ecx + 0xc], edx
push dword [ebp - 0x3c]
push dword [ebp - 0x40]
call fcn.0041fb5c
pop ecx
pop ecx
mov ecx, dword [ebp + 0x14]
mov dword [ecx + 0x10], eax
mov dword [ecx + 0x14], edx
cmp dword [ebp + 0x18], 0
je 0x41fe51
lea eax, [ebp - 0x58]
push eax
lea eax, [ebp - 0x5c]
push eax
push dword [ebp - 0x2c]
push dword [ebp - 0x30]
call fcn.0041fb8e
add esp, 0x10
movzx eax, word [ebp - 0x58]
movzx ecx, word [ebp - 0x5c]
shl ecx, 0x10
or eax, ecx
mov ecx, dword [ebp + 0x18]
mov dword [ecx], eax
xor eax, eax
leave
ret