Files
BinaryObjectScanner/BurnOutSharp/ProtectionType/DVDCops.cs
Matt Nadareski 214e8d41c7 Pre-read 3 most commonly-used section data
This also adds comprehensive notes around the sections used in various protections, how they're used, and what we can do with them. It also adds a couple of various notes based on the findings from the protection audit
2021-09-11 16:47:25 -07:00

48 lines
1.6 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using BurnOutSharp.ExecutableType.Microsoft;
using BurnOutSharp.Matching;
namespace BurnOutSharp.ProtectionType
{
// TODO: Can this be combined with CD-Cops?
public class DVDCops : IContentCheck
{
/// <inheritdoc/>
private List<ContentMatchSet> GetContentMatchSets()
{
// TODO: Obtain a sample to find where this string is in a typical executable
return new List<ContentMatchSet>
{
// DVD-Cops, ver.
new ContentMatchSet(new byte?[]
{
0x44, 0x56, 0x44, 0x2D, 0x43, 0x6F, 0x70, 0x73,
0x2C, 0x20, 0x20, 0x76, 0x65, 0x72, 0x2E, 0x20
}, GetVersion, "DVD-Cops"),
};
}
/// TODO: Does this look for the `.grand` section like CD-Cops?
/// <inheritdoc/>
public string CheckContents(string file, byte[] fileContent, bool includeDebug, PortableExecutable pex, NewExecutable nex)
{
var contentMatchSets = GetContentMatchSets();
if (contentMatchSets != null && contentMatchSets.Any())
return MatchUtil.GetFirstMatch(file, fileContent, contentMatchSets, includeDebug);
return null;
}
public static string GetVersion(string file, byte[] fileContent, List<int> positions)
{
char[] version = new ArraySegment<byte>(fileContent, positions[0] + 15, 4).Select(b => (char)b).ToArray();
if (version[0] == 0x00)
return string.Empty;
return new string(version);
}
}
}