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Partially convert TAGES to section based; add notes

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This commit is contained in:
Matt Nadareski
2021-09-07 21:02:19 -07:00
parent ae5bdcc97a
commit af6e5d7441
1 changed files with 37 additions and 10 deletions
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47
BurnOutSharp/ProtectionType/Tages.cs
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@@ -3,17 +3,19 @@ using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using BurnOutSharp.ExecutableType.Microsoft;
using BurnOutSharp.Matching;
using BurnOutSharp.Tools;
namespace BurnOutSharp.ProtectionType
{
// TODO: Figure out how to use path check framework here
public class Tages : IContentCheck, IPathCheck
public class TAGES : IContentCheck, IPathCheck
{
/// <inheritdoc/>
public List<ContentMatchSet> GetContentMatchSets()
{
// TODO: Obtain a sample to find where this string is in a typical executable
return new List<ContentMatchSet>
{
// protected-tages-runtime.exe
@@ -25,21 +27,46 @@ namespace BurnOutSharp.ProtectionType
0x65, 0x78, 0x65
}, Utilities.GetFileVersion, "TAGES"),
// tagesprotection.com
new ContentMatchSet(new byte?[]
{
0x74, 0x61, 0x67, 0x65, 0x73, 0x70, 0x72, 0x6F,
0x74, 0x65, 0x63, 0x74, 0x69, 0x6F, 0x6E, 0x2E,
0x63, 0x6F, 0x6D
}, Utilities.GetFileVersion, "TAGES"),
// (char)0xE8 + u + (char)0x00 + (char)0x00 + (char)0x00 + (char)0xE8
new ContentMatchSet(new byte?[] { 0xE8, 0x75, 0x00, 0x00, 0x00, 0xE8 }, GetVersion, "TAGES"),
};
}
/// <inheritdoc/>
public string CheckContents(string file, byte[] fileContent, bool includeDebug = false) => null;
public string CheckContents(string file, byte[] fileContent, bool includeDebug = false)
{
// Get the sections from the executable, if possible
PortableExecutable pex = PortableExecutable.Deserialize(fileContent, 0);
var sections = pex?.SectionTable;
if (sections == null)
return null;
// Get the last section
var lastSection = sections.LastOrDefault();
if (lastSection != null)
{
int sectionAddr = (int)lastSection.PointerToRawData;
int sectionEnd = sectionAddr + (int)lastSection.VirtualSize;
var matchers = new List<ContentMatchSet>
{
// tagesprotection.com
new ContentMatchSet(
new ContentMatch(new byte?[]
{
0x74, 0x61, 0x67, 0x65, 0x73, 0x70, 0x72, 0x6F,
0x74, 0x65, 0x63, 0x74, 0x69, 0x6F, 0x6E, 0x2E,
0x63, 0x6F, 0x6D
}, start: sectionEnd),
Utilities.GetFileVersion, "TAGES [tagesprotection.com]"),
};
string match = MatchUtil.GetFirstMatch(file, fileContent, matchers, includeDebug);
if (!string.IsNullOrWhiteSpace(match))
return match;
}
return null;
}
/// <inheritdoc/>
public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)