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https://github.com/SabreTools/BinaryObjectScanner.git
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e118418a23
This change also removes a couple of things from `BurnOutSharp.Tools.Utilities` that are no longer needed there. Linear executables are included in the scanning classes. Update the guides accordingly.
43 lines
2.7 KiB
C#
43 lines
2.7 KiB
C#
using System.Linq;
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using BinaryObjectScanner.Interfaces;
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using BinaryObjectScanner.Wrappers;
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namespace BinaryObjectScanner.Protection
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{
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/// <summary>
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/// CopyLok (AKA CodeLok) is a DRM created by PAN Technology (https://web.archive.org/web/19991117100625/http://www.pantechnology.com/).
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/// More specifically, it may have been created a spin-off division known as "Panlok" (https://cdmediaworld.com/hardware/cdrom/cd_protections_copylok.shtml).
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/// Though it may also be that "PanLok" was an alternate name for the program itself (https://gamecopyworld.com/games/pc_generic_copylok.shtml).
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/// There was a PanLok website, but it's unknown what content it had hosted (https://web.archive.org/web/20041215075727/http://www.panlok.com/).
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///
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/// CopyLok made use of bad sectors, using an average of 720-750 per disc, and appears to have been a form of ring protection (http://forum.redump.org/topic/29842/issues-dumping-pc-disc-with-code-lock-copy-protection/).
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/// At least one disc with CopyLok appears to contain an excerpt of the poem "Jabberwocky" by Lewis Carroll in the raw sector data (http://forum.redump.org/post/54050/#p54050).
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/// According to the Readme for poxylok (https://gf.wiretarget.com/copylok.htm), some version of Gangsters 2 may have this protection.
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///
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/// Previous versions of BurnOutSharp incorrectly reported this DRM as "CodeLock / CodeLok / CopyLok". It was later discovered that due to the similar names, two entirely different DRM were erroneously lumped together.
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/// "CodeLock" (in this case actually referring to "Code-Lock") is an entirely separate form of DRM, with the existing check now getting used separately.
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/// Also not to be confused with https://en.wikipedia.org/wiki/Rob_Northen_copylock.
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///
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/// COPYLOK trademark: https://www.trademarkelite.com/europe/trademark/trademark-detail/000618512/COPYLOK.
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/// </summary>
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public class CopyLok : IPortableExecutableCheck
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{
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/// <inheritdoc/>
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public string CheckPortableExecutable(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?.SectionTable;
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if (sections == null)
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return null;
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// If there are more than 2 icd-prefixed sections, then we have a match
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// Though this is the same name that SafeDisc uses for protected executables, this seems to be a coincidence.
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// Found in Redump entries 31557, 31674, 31675, 31708, 38239, 44210, and 53929.
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int icdSectionCount = pex.SectionNames.Count(s => s.StartsWith("icd"));
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if (icdSectionCount >= 2)
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return "CopyLok / CodeLok";
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return null;
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}
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}
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} |