Add Roxxe detection (#293)

* Add Roxxe detection

* Fix Roxxe PR review comments
This commit is contained in:
TheRogueArchivist
2024-04-01 10:14:13 -06:00
committed by GitHub
parent 491fc0f71c
commit 4946d4e7ff
2 changed files with 84 additions and 0 deletions

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using System;
#if NET40_OR_GREATER || NETCOREAPP
using System.Collections.Concurrent;
#endif
using System.Collections.Generic;
using System.Linq;
using BinaryObjectScanner.Interfaces;
using SabreTools.Matching;
using SabreTools.Serialization.Wrappers;
namespace BinaryObjectScanner.Protection
{
/// <summary>
/// Roxxe was a Czech DRM. It appears to have been a simple disc check that also relied on unusual disc manufacturing and dummy files to attempt to prevent copying.
///
/// DRML: https://github.com/TheRogueArchivist/DRML/blob/main/entries/Roxxe/Roxxe.md
/// </summary>
public class Roxxe : IPathCheck, IPortableExecutableCheck
{
/// <inheritdoc/>
public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
{
// Get the sections from the executable, if possible
var sections = pex.Model.SectionTable;
if (sections == null)
return null;
// Get the code/CODE section strings, if they exist
var strs = pex.GetFirstSectionStrings("code") ?? pex.GetFirstSectionStrings("CODE");
if (strs != null)
{
// Found in "Owar.exe" in IA item "game4u-22-cd".
if (strs.Any(s => s.Contains("TRCHANGER.INI")))
return "Roxxe";
}
// Get the .rsrc section strings, if they exist
// TODO: Check for these strings specifically within the application-defined resource that they're found in, not just the generic resource section.
strs = pex.GetFirstSectionStrings(".rsrc");
if (strs != null)
{
// Found in "Owar.exe" in IA items "game4u-22-cd" and "original-war".
// These checks are less reliable, as they are still found in a version of the game that appears to have patched out Roxxe (the version present in IA item "original-war").
if (strs.Any(s => s.Contains("PRRT01")))
return "Roxxe (Possibly remnants)";
if (strs.Any(s => s.Contains("CommonPRRT")))
return "Roxxe (Possibly remnants)";
if (strs.Any(s => s.Contains("roxe")))
return "Roxxe (Possibly remnants)";
}
return null;
}
/// <inheritdoc/>
#if NET20 || NET35
public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
#else
public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
#endif
{
var matchers = new List<PathMatchSet>
{
// Files such as "TRCHANGER.INI" may be present, but haven't been found yet.
};
return MatchUtil.GetAllMatches(files, matchers, any: true);
}
/// <inheritdoc/>
public string? CheckFilePath(string path)
{
var matchers = new List<PathMatchSet>
{
// Files such as "TRCHANGER.INI" may be present, but haven't been found yet.
};
return MatchUtil.GetFirstMatch(path, matchers, any: true);
}
}
}