Function at 0x618200
Capabilities:
Get file size
Parse pe header
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x60
mov eax, dword [0x831184]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
mov dword [ebp - 0x54], eax
mov eax, dword [ebp + 0xc]
push esi
mov dword [ebp - 0x58], eax
mov eax, dword [ebp + 0x10]
push edi
mov dword [ebp - 0x5c], eax
mov edi, ecx
lea eax, [ebp - 0x48]
mov dword [ebp - 0x50], edx
push eax
push edi
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
jne 0x61824f
mov eax, 0x200
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0076eb7e
mov esp, ebp
pop ebp
ret
mov ebx, dword [ebp - 0x48]
mov esi, ebx
and esi, 1
mov eax, ebx
mov ecx, esi
or ecx, 2
and al, 2
mov eax, ebx
cmove ecx, esi
mov edx, ecx
or edx, 4
and al, 4
cmove edx, ecx
mov ecx, ebx
mov eax, edx
or eax, 0x10
and ecx, 0x10
cmove eax, edx
mov edx, eax
or edx, 0x20
and bl, 0x20
mov ebx, 0x81000000
cmove edx, eax
test ecx, ecx
mov eax, 0x41000000
cmove eax, ebx
or edx, eax
mov dword [ebp - 0x4c], edx
test esi, esi
jne 0x6182a8
or edx, 0x800000
mov dword [ebp - 0x4c], edx
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, 0x28
jbe 0x618353
mov ebx, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
push 0
push 0
push edi
call ebx
push 0
lea eax, [ebp - 0xc]
push eax
push 2
lea eax, [ebp - 8]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push 0
push 0
push 0x24
push edi
call ebx
push 0
lea eax, [ebp - 0xc]
push eax
push 4
lea eax, [ebp - 0x10]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, 0x54ad
cmp word [ebp - 8], ax
jne 0x618353
mov ecx, dword [ebp - 0x10]
lea eax, [ecx + 0x34]
cmp esi, eax
jbe 0x618353
push 0
push 0
push ecx
push edi
call ebx
push 0
lea eax, [ebp - 0xc]
push eax
push 4
lea eax, [ebp - 0x14]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, dword [ebp - 0x14]
cmp eax, 0x5a4d
je 0x618349
cmp eax, 0x454e
je 0x618349
cmp eax, 0x454c
je 0x618349
cmp eax, 0x4550
jne 0x618353
mov eax, dword [ebp - 0x4c]
or eax, 0x400000
jmp 0x618356
mov eax, dword [ebp - 0x4c]
mov ecx, dword [ebp - 0x50]
test ecx, ecx
je 0x61835f
mov dword [ecx], eax
mov eax, dword [ebp - 0x54]
test eax, eax
je 0x618368
mov dword [eax], esi
mov ebx, dword [ebp - 0x58]
mov esi, dword [ebp - 0x30]
mov edi, dword [ebp - 0x34]
test ebx, ebx
je 0x6183e1
mov ecx, dword [ebp - 0x3c]
mov eax, dword [ebp - 0x38]
sub ecx, 0xd53e8000
push 0
push 0x989680
sbb eax, 0x19db1de
push eax
push ecx
call fcn.0076eb90
mov dword [ebx], eax
mov ecx, edi
sub ecx, 0xd53e8000
mov dword [ebx + 4], edx
push 0
mov eax, esi
push 0x989680
sbb eax, 0x19db1de
push eax
push ecx
call fcn.0076eb90
mov ecx, dword [ebp - 0x44]
mov dword [ebx + 8], eax
sub ecx, 0xd53e8000
mov eax, dword [ebp - 0x40]
push 0
push 0x989680
sbb eax, 0x19db1de
mov dword [ebx + 0xc], edx
push eax
push ecx
call fcn.0076eb90
mov dword [ebx + 0x10], eax
mov dword [ebx + 0x14], edx
mov ebx, dword [ebp - 0x5c]
test ebx, ebx
je 0x618407
push esi
push edi
lea edx, [ebp - 0x4c]
lea ecx, [ebp - 8]
call fcn.00618180
movzx ecx, word [ebp - 8]
add esp, 8
movzx eax, word [ebp - 0x4c]
shl ecx, 0x10
or ecx, eax
mov dword [ebx], ecx
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0076eb7e
mov esp, ebp
pop ebp
ret