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https://github.com/SabreTools/BinaryObjectScanner.git
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100 lines
4.3 KiB
C#
100 lines
4.3 KiB
C#
using System;
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#if NET40_OR_GREATER || NETCOREAPP
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using System.Collections.Concurrent;
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#endif
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using System.Collections.Generic;
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using System.IO;
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using SabreTools.Hashing;
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using SabreTools.Matching;
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using SabreTools.Serialization.Wrappers;
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namespace BinaryObjectScanner.Protection
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{
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/// <summary>
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/// RipGuard was a copy protection made by Macrovision/Rovi to protect movie DVDs. It's known to use bad sectors to impede dumping, one of the relatively rare DVD DRMs to do this.
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///
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/// Discs known to have it:
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/// https://forum.redfox.bz/threads/resolved-installs-rootkit-black-lagoon-vol-2-3-region-1.29660/
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/// https://forum.redfox.bz/threads/resolved-one-on-one-with-tony-horton-vol2-disc3.33901/
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/// https://moral.net.au/writing/2015/10/10/backing_up_dvds/
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/// </summary>
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public partial class Macrovision
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{
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/// <inheritdoc cref="Interfaces.IPortableExecutableCheck.CheckPortableExecutable(string, PortableExecutable, bool)"/>
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internal string? RipGuardCheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
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{
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// Get the sections from the executable, if possible
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var sections = pex.Model.SectionTable;
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if (sections == null)
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return null;
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// Found in "RGASDEV.SYS" in the Black Lagoon Season 1 DVD Steelbook box set (Geneon ID 12970).
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var name = pex.FileDescription;
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if (name?.Equals("rgasdev", StringComparison.OrdinalIgnoreCase) == true)
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return "RipGuard";
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// Found in "RGASDEV.SYS" in the Black Lagoon Season 1 DVD Steelbook box set (Geneon ID 12970).
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name = pex.ProductName;
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if (name?.Equals("rgasdev", StringComparison.OrdinalIgnoreCase) == true)
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return "RipGuard";
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if (!string.IsNullOrEmpty(file) && File.Exists(file))
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{
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try
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{
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var fi = new FileInfo(file);
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// So far, every seemingly-randomly named EXE on RipGuard discs have a consistent hash.
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if (fi.Length == 49_152)
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{
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var sha1 = HashTool.GetFileHash(file, HashType.SHA1);
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if (string.Equals(sha1, "6A7B8545800E0AB252773A8CD0A2185CA2497938", StringComparison.OrdinalIgnoreCase))
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return "RipGuard";
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}
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}
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catch
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{
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}
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}
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return null;
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}
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/// <inheritdoc cref="Interfaces.IPathCheck.CheckDirectoryPath(string, IEnumerable{string})"/>
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#if NET20 || NET35
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internal Queue<string> RipGuardCheckDirectoryPath(string path, IEnumerable<string>? files)
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#else
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internal ConcurrentQueue<string> RipGuardCheckDirectoryPath(string path, IEnumerable<string>? files)
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#endif
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{
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var matchers = new List<PathMatchSet>
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{
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// Found in the Black Lagoon Season 1 DVD steelbook box set (Geneon ID 12970).
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new(new PathMatch("G23YHWO1.EXE", useEndsWith: true), "RipGuard"),
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new(new PathMatch("RGASDEV.SYS", useEndsWith: true), "RipGuard"),
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// Mentioned online in https://forum.redfox.bz/threads/resolved-one-on-one-with-tony-horton-vol2-disc3.33901/.
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new(new PathMatch("9KMJ9G4I.EXE", useEndsWith: true), "RipGuard (Unconfirmed - Please report to us on GitHub)"),
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};
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return MatchUtil.GetAllMatches(files, matchers, any: false);
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}
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/// <inheritdoc cref="Interfaces.IPathCheck.CheckFilePath(string)"/>
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internal string? RipGuardCheckFilePath(string path)
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{
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var matchers = new List<PathMatchSet>
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{
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// Found in the Black Lagoon Season 1 DVD steelbook box set (Geneon ID 12970).
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new(new PathMatch("G23YHWO1.EXE", useEndsWith: true), "RipGuard"),
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new(new PathMatch("RGASDEV.SYS", useEndsWith: true), "RipGuard"),
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// Mentioned online in https://forum.redfox.bz/threads/resolved-one-on-one-with-tony-horton-vol2-disc3.33901/.
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new(new PathMatch("9KMJ9G4I.EXE", useEndsWith: true), "RipGuard (Unconfirmed - Please report to us on GitHub)"),
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};
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return MatchUtil.GetFirstMatch(path, matchers, any: true);
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}
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}
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}
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