Files
BinaryObjectScanner/BinaryObjectScanner/Protection/CrypKey.cs
2024-12-02 00:58:52 -05:00

103 lines
4.2 KiB
C#

using System.Collections.Generic;
using BinaryObjectScanner.Interfaces;
using SabreTools.Matching;
using SabreTools.Matching.Paths;
using SabreTools.Serialization.Wrappers;
namespace BinaryObjectScanner.Protection
{
// http://www.crypkey.com/products/cdlock/cdmain.html
// https://github.com/horsicq/Detect-It-Easy/blob/master/db/PE/CrypKey%20Installer.1.sg
// https://github.com/horsicq/Detect-It-Easy/blob/master/db/PE/CrypKey.2.sg
// https://github.com/wolfram77web/app-peid/blob/master/userdb.txt
public class CrypKey : IExecutableCheck<PortableExecutable>, IPathCheck
{
/// <inheritdoc/>
public string? CheckExecutable(string file, PortableExecutable pex, bool includeDebug)
{
// Get the code/CODE section strings, if they exist
var strs = pex.GetFirstSectionStrings("code") ?? pex.GetFirstSectionStrings("CODE");
if (strs != null)
{
// Found in "NECRO95.EXE" in IA item "NBECRORV11".
// Full string:
// *CrypKey Instant 2.0 security i(32 - bit) *
// *Copyright(c) 1996 Kenonic Controls Ltd. *
if (strs.Exists(s => s.Contains("CrypKey Instant 2.0 security")))
return "CrypKey Instant 2.0";
// Generic check to catch unknown CrypKey Instant versions.
if (strs.Exists(s => s.Contains("CrypKey Instant")))
return "CrypKey Instant (Unknown version - Please report to us on GitHub)";
// Generic check to catch unknown CrypKey products.
if (strs.Exists(s => s.Contains("CrypKey")))
return "CrypKey (Unknown version - Please report to us on GitHub)";
}
// Get the CrypKey version from the VersionInfo, if it exists
string version = pex.GetVersionInfoString("CrypKey Version") ?? string.Empty;
// Found in 'cki32k.dll'
var name = pex.CompanyName;
if (name.OptionalStartsWith("CrypKey"))
return $"CrypKey {version}".TrimEnd();
name = pex.FileDescription;
// Found in "CKSEC_32.DLL" in IA item "NBECRORV11".
if (name.OptionalStartsWith("CrypKey Instant security library"))
return $"CrypKey Instant {pex.GetInternalVersion()}";
// Found in 'cki32k.dll'
if (name.OptionalStartsWith("CrypKey"))
return $"CrypKey {version}".TrimEnd();
// Found in 'cki32k.dll'
name = pex.LegalCopyright;
if (name.OptionalContains("CrypKey"))
return $"CrypKey {version}".TrimEnd();
// Found in 'cki32k.dll'
if (!string.IsNullOrEmpty(version))
return $"CrypKey {version}".TrimEnd();
// TODO: Look into the `.loader`,`.wreloc`, `.widata`, and `.hooks` sections
return null;
}
/// <inheritdoc/>
public List<string> CheckDirectoryPath(string path, List<string>? files)
{
var matchers = new List<PathMatchSet>
{
// Found in IA item "NBECRORV11".
new(new FilePathMatch("CKLICENS.HLP"), "CrypKey"),
new(new FilePathMatch("CKSEC_32.DLL"), "CrypKey"),
new(new FilePathMatch("CRYP95.DLL"), "CrypKey"),
new(new FilePathMatch("CRYP9516.DLL"), "CrypKey"),
new(new FilePathMatch("CRYPKEY.HLP"), "CrypKey"),
};
return MatchUtil.GetAllMatches(files, matchers, any: true);
}
/// <inheritdoc/>
public string? CheckFilePath(string path)
{
var matchers = new List<PathMatchSet>
{
// Found in IA item "NBECRORV11".
new(new FilePathMatch("CKLICENS.HLP"), "CrypKey"),
new(new FilePathMatch("CKSEC_32.DLL"), "CrypKey"),
new(new FilePathMatch("CRYP95.DLL"), "CrypKey"),
new(new FilePathMatch("CRYP9516.DLL"), "CrypKey"),
new(new FilePathMatch("CRYPKEY.HLP"), "CrypKey"),
};
return MatchUtil.GetFirstMatch(path, matchers, any: true);
}
}
}