SabreTools/BinaryObjectScanner
1
0
Fork 0
mirror of https://github.com/SabreTools/BinaryObjectScanner.git synced 2026-02-16 05:44:53 +00:00
Code Issues 295 Packages Projects Releases 20 Wiki Activity

Convert WinRAR SFX to section based

Browse Source
This commit is contained in:
Matt Nadareski
2021-08-27 21:58:05 -07:00
parent 22235cbe84
commit d2606e21fe
2 changed files with 36 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
BurnOutSharp/PackerType/UPX.cs
View File

@@ -4,7 +4,6 @@ using System.Text;
using BurnOutSharp.ExecutableType.Microsoft;
using BurnOutSharp.ExecutableType.Microsoft.Headers;
using BurnOutSharp.Matching;
using BurnOutSharp.Tools;
namespace BurnOutSharp.PackerType
{

50
BurnOutSharp/PackerType/WinRARSFX.cs
View File

@@ -2,6 +2,9 @@ using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using BurnOutSharp.ExecutableType.Microsoft;
using BurnOutSharp.Matching;
using BurnOutSharp.Tools;
using SharpCompress.Archives;
@@ -15,22 +18,41 @@ namespace BurnOutSharp.PackerType
public bool ShouldScan(byte[] magic) => true;
/// <inheritdoc/>
public List<ContentMatchSet> GetContentMatchSets()
{
return new List<ContentMatchSet>
{
// Software\WinRAR SFX
new ContentMatchSet(new byte?[]
{
0x53, 0x6F, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65,
0x5C, 0x57, 0x69, 0x6E, 0x52, 0x41, 0x52, 0x20,
0x53, 0x46, 0x58
}, "WinRAR SFX"),
};
}
public List<ContentMatchSet> GetContentMatchSets() => null;
/// <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 .data section, if it exists
var dataSection = sections.FirstOrDefault(s => Encoding.ASCII.GetString(s.Name).Trim('\0').StartsWith(".data"));
if (dataSection != null)
{
int sectionAddr = (int)dataSection.PointerToRawData;
int sectionEnd = sectionAddr + (int)dataSection.VirtualSize;
var matchers = new List<ContentMatchSet>
{
// Software\WinRAR SFX
new ContentMatchSet(new byte?[]
{
0x53, 0x6F, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65,
0x5C, 0x57, 0x69, 0x6E, 0x52, 0x41, 0x52, 0x20,
0x53, 0x46, 0x58
}, "WinRAR SFX"),
};
string match = MatchUtil.GetFirstMatch(file, fileContent, matchers, includeDebug);
if (!string.IsNullOrWhiteSpace(match))
return match;
}
return null;
}
public ConcurrentDictionary<string, ConcurrentQueue<string>> Scan(Scanner scanner, string file)
{