Files
BinaryObjectScanner/BurnOutSharp/ProtectionType/CDLock.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

64 lines
2.3 KiB
C#

using System.Collections.Concurrent;
using System.Collections.Generic;
using BurnOutSharp.ExecutableType.Microsoft;
using BurnOutSharp.Matching;
namespace BurnOutSharp.ProtectionType
{
public class CDLock : IContentCheck, IPathCheck
{
/// <inheritdoc/>
public string CheckContents(string file, byte[] fileContent, bool includeDebug, PortableExecutable pex, NewExecutable nex)
{
// Get the sections from the executable, if possible
var sections = pex?.SectionTable;
if (sections == null)
return null;
// Get the .data section, if it exists
if (pex.DataSectionRaw != null)
{
var matchers = new List<ContentMatchSet>
{
// 2 + (char)0xF2 + (char)0x02 + (char)0x82 + (char)0xC3 + (char)0xBC + (char)0x0B + $ + (char)0x99 + (char)0xAD + 'C + (char)0xE4 + (char)0x9D + st + (char)0x99 + (char)0xFA + 2$ + (char)0x9D + )4 + (char)0xFF + t
new ContentMatchSet(new byte?[]
{
0x32, 0xF2, 0x02, 0x82, 0xC3, 0xBC, 0x0B, 0x24,
0x99, 0xAD, 0x27, 0x43, 0xE4, 0x9D, 0x73, 0x74,
0x99, 0xFA, 0x32, 0x24, 0x9D, 0x29, 0x34, 0xFF,
0x74
}, "CD-Lock"),
};
string match = MatchUtil.GetFirstMatch(file, pex.DataSectionRaw, matchers, includeDebug);
if (!string.IsNullOrWhiteSpace(match))
return match;
}
return null;
}
/// <inheritdoc/>
public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
{
var matchers = new List<PathMatchSet>
{
new PathMatchSet(new PathMatch(".AFP", useEndsWith: true), "CD-Lock"),
};
return MatchUtil.GetAllMatches(files, matchers, any: true);
}
/// <inheritdoc/>
public string CheckFilePath(string path)
{
var matchers = new List<PathMatchSet>
{
new PathMatchSet(new PathMatch(".AFP", useEndsWith: true), "CD-Lock"),
};
return MatchUtil.GetFirstMatch(path, matchers, any: true);
}
}
}