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123 lines
7.3 KiB
C#
123 lines
7.3 KiB
C#
using System.Collections.Generic;
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using BurnOutSharp.ExecutableType.Microsoft.PE;
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using BurnOutSharp.Interfaces;
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using BurnOutSharp.Matching;
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namespace BurnOutSharp.ProtectionType
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{
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/// <summary>
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/// Alpha-ROM is a form of copy protection created by SETTEC. It is known to make use of twin sectors as well as region locking.
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/// Later forms of Alpha-ROM appear to be digital only, and it's currently unsure what forms of protection the digital only version includes, except that it does make use of region locking.
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/// It seems that Alpha-ROM was used in Visual Novels using certain game engines, most notably RealLive and Siglus (https://forums.fuwanovel.net/topic/20927-cannot-crack-siglus-engine-with-alpharom/).
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/// Not every Siglus engine game uses Alpha-ROM (Source: https://sample9.dmm.co.jp/digital/pcgame/vsat_0263/vsat_0263t.zip {Official trial mirror}).
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/// Not every RealLive engine game uses Alpha-ROM (Source: IA item "Kanon_Standard_Edition_Japan").
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/// Alpha-ROM also seems to have made use of something called "Alpha-DPS" for non-executable data files (http://www.gonsuke.co.jp/protect.html).
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/// Example of Alpha-ROM (official trial download mirrors):
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/// (Siglus Engine)
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/// http://suezou.dyndns.org/dl2018/key/summer_pokets/Summer_Pockets_trial.zip
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/// http://mirror.studio-ramble.com/upload/300/201103/RewriteTE_Ver200.zip
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/// http://suezou.dyndns.org/dl2012/tone-works/hatsukoi1-1/hatsukoi_tr_web.zip
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/// (RealLive Engine)
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/// http://suezou.dyndns.org/dl2020/hadashi/princess_heart_link/phl_trial.exe
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/// https://archive.org/details/little-busters-regular-edition-iso-only-2007
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/// Games that may have Alpha-ROM:
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/// http://cpdb.kemuri-net.com/ (Protection database that includes many different protections, including Alpha-ROM).
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/// https://vndb.org/r?f=fwSiglusEngine- (VNs made with an engine known to use Alpha-ROM).
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/// https://vndb.org/r?f=fwRealLive- (VNs made with an engine known to use Alpha-ROM).
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/// References and further information:
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/// http://hhg.sakura.ne.jp/cd-dvd/dust/alpha/1_twin_sector.htm
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/// https://www.weblio.jp/content/Alpha-ROM
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/// https://ameblo.jp/michael-j-fox/entry-10046574609.html
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/// http://s2000.yokinihakarae.com/sub03-10-2(DVD).html
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/// https://www.cdmediaworld.com/hardware/cdrom/cd_protections_alpha.shtml
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/// Special thanks to Bestest for researching this protection and helping make further improvements possible!
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/// </summary>
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// TODO: Alternative string possibilities:
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// - \AlphaDiscLog.txt
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// - \SETTEC
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// - AlphaROM
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// - SETTEC0000SETTEC1111
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// - SOFTWARE\SETTEC
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// TODO: Are there version numbers?
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public class AlphaROM : 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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// TODO: Add support for detecting Alpha-ROM found in older games made with the RealLive engine.
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// TODO: Add version detection for Alpha-ROM.
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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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// Get the .data section, if it exists
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if (pex.DataSectionRaw != null)
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{
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var matchers = new List<ContentMatchSet>
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{
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// \SETTEC
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new ContentMatchSet(new byte?[] { 0x5C, 0x53, 0x45, 0x54, 0x54, 0x45, 0x43 }, "Alpha-ROM"),
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// On Redump entry 84122, this string is found within an executable, but outside the bounds of any section. Thus, it currently remains undetected.
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// Worth noting is that all the section names, aside from .text, seem to be purposefully expunged.
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// SETTEC0000
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new ContentMatchSet(new byte?[] { 0x53, 0x45, 0x54, 0x54, 0x45, 0x43, 0x30, 0x30, 0x30, 0x30 }, "Alpha-ROM"),
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};
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string match = MatchUtil.GetFirstMatch(file, pex.DataSectionRaw, matchers, includeDebug);
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if (!string.IsNullOrWhiteSpace(match))
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return match;
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}
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// Get the .rdata section, if it exists
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if (pex.ResourceDataSectionRaw != null)
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{
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var matchers = new List<ContentMatchSet>
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{
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// T.h.i.s. .G.a.m.e. .i.s. .J.a.p.a.n. .O.n.l.y.....S0n0²0ü0à0o0åe,gýV…Qg0n0.0×0ì0¤0ïSý€g0Y0.0....ÕR\OU0[0‹0k0o0 ..0 .åe,gžŠHrW.i.n.d.o.w.s. ..0 .L0Å_.‰g0Y0.0....²0ü0à0’0B}†NW0~0Y0.0....åe,gžŠHrW.i.n.d.o.w.s
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// Found in games using the Siglus engine.
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new ContentMatchSet(new byte?[]
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{
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0x54, 0x00, 0x68, 0x00, 0x69, 0x00, 0x73, 0x00, 0x20, 0x00, 0x47, 0x00,
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0x61, 0x00, 0x6D, 0x00, 0x65, 0x00, 0x20, 0x00, 0x69, 0x00, 0x73, 0x00,
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0x20, 0x00, 0x4A, 0x00, 0x61, 0x00, 0x70, 0x00, 0x61, 0x00, 0x6E, 0x00,
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0x20, 0x00, 0x4F, 0x00, 0x6E, 0x00, 0x6C, 0x00, 0x79, 0x00, 0x0A, 0x00,
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0x0A, 0x00, 0x53, 0x30, 0x6E, 0x30, 0xB2, 0x30, 0xFC, 0x30, 0xE0, 0x30,
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0x6F, 0x30, 0xE5, 0x65, 0x2C, 0x67, 0xFD, 0x56, 0x85, 0x51, 0x67, 0x30,
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0x6E, 0x30, 0x7F, 0x30, 0xD7, 0x30, 0xEC, 0x30, 0xA4, 0x30, 0xEF, 0x53,
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0xFD, 0x80, 0x67, 0x30, 0x59, 0x30, 0x02, 0x30, 0x0A, 0x00, 0x0A, 0x00,
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0xD5, 0x52, 0x5C, 0x4F, 0x55, 0x30, 0x5B, 0x30, 0x8B, 0x30, 0x6B, 0x30,
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0x6F, 0x30, 0x20, 0x00, 0x0E, 0x30, 0x20, 0x00, 0xE5, 0x65, 0x2C, 0x67,
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0x9E, 0x8A, 0x48, 0x72, 0x57, 0x00, 0x69, 0x00, 0x6E, 0x00, 0x64, 0x00,
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0x6F, 0x00, 0x77, 0x00, 0x73
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}, "Alpha-ROM"),
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// This Game is Japan Only..‚±‚̃Q.[ƒ€‚Í“ú–{.‘“à‚ł̂݃vƒŒƒC‰Â”\‚Å‚·.B..“®.삳‚¹‚é‚É‚Í .w “ú–{Œê”ÅWindows
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// Found in games using the RealLive engine.
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new ContentMatchSet(new byte?[]
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{
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0x54, 0x68, 0x69, 0x73, 0x20, 0x47, 0x61, 0x6D, 0x65, 0x20, 0x69, 0x73,
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0x20, 0x4A, 0x61, 0x70, 0x61, 0x6E, 0x20, 0x4F, 0x6E, 0x6C, 0x79, 0x0A,
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0x0A, 0x82, 0xB1, 0x82, 0xCC, 0x83, 0x51, 0x81, 0x5B, 0x83, 0x80, 0x82,
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0xCD, 0x93, 0xFA, 0x96, 0x7B, 0x8D, 0x91, 0x93, 0xE0, 0x82, 0xC5, 0x82,
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0xCC, 0x82, 0xDD, 0x83, 0x76, 0x83, 0x8C, 0x83, 0x43, 0x89, 0xC2, 0x94,
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0x5C, 0x82, 0xC5, 0x82, 0xB7, 0x81, 0x42, 0x0A, 0x0A, 0x93, 0xAE, 0x8D,
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0xEC, 0x82, 0xB3, 0x82, 0xB9, 0x82, 0xE9, 0x82, 0xC9, 0x82, 0xCD, 0x20,
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0x81, 0x77, 0x20, 0x93, 0xFA, 0x96, 0x7B, 0x8C, 0xEA, 0x94, 0xC5, 0x57,
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0x69, 0x6E, 0x64, 0x6F, 0x77, 0x73
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}, "Alpha-ROM"),
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};
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string match = MatchUtil.GetFirstMatch(file, pex.ResourceDataSectionRaw, matchers, includeDebug);
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if (!string.IsNullOrWhiteSpace(match))
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return match;
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}
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return null;
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}
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}
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}
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