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Code Issues 295 Packages Projects Releases 20 Wiki Activity

Convert Wise to section based; add note

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This commit is contained in:
Matt Nadareski
2021-08-29 20:52:00 -07:00
parent 1b54dd92ab
commit 621bcdf380
1 changed files with 53 additions and 1 deletions
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54
BurnOutSharp/PackerType/WiseInstaller.cs
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@@ -2,6 +2,9 @@
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 Wise = WiseUnpacker.WiseUnpacker;
@@ -16,6 +19,8 @@ namespace BurnOutSharp.PackerType
/// <inheritdoc/>
public List<ContentMatchSet> GetContentMatchSets()
{
// TODO: Keep this around until it can be confirmed with NE checks as well
// TODO: This _may_ actually over-match. See msvbvm50.exe for an example
return new List<ContentMatchSet>
{
// WiseMain
@@ -24,7 +29,54 @@ namespace BurnOutSharp.PackerType
}
/// <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).StartsWith(".data"));
if (dataSection != null)
{
int sectionAddr = (int)dataSection.PointerToRawData;
int sectionEnd = sectionAddr + (int)dataSection.VirtualSize;
var matchers = new List<ContentMatchSet>
{
// WiseMain
new ContentMatchSet(
new ContentMatch(new byte?[] { 0x57, 0x69, 0x73, 0x65, 0x4D, 0x61, 0x69, 0x6E }, start: sectionAddr, end: sectionEnd),
"Wise Installation Wizard Module"),
};
string match = MatchUtil.GetFirstMatch(file, fileContent, matchers, includeDebug);
if (!string.IsNullOrWhiteSpace(match))
return match;
}
// Get the .rdata section, if it exists
var rdataSection = sections.FirstOrDefault(s => Encoding.ASCII.GetString(s.Name).StartsWith(".rdata"));
if (rdataSection != null)
{
int sectionAddr = (int)rdataSection.PointerToRawData;
int sectionEnd = sectionAddr + (int)dataSection.VirtualSize;
var matchers = new List<ContentMatchSet>
{
// WiseMain
new ContentMatchSet(
new ContentMatch(new byte?[] { 0x57, 0x69, 0x73, 0x65, 0x4D, 0x61, 0x69, 0x6E }, start: sectionAddr, end: sectionEnd),
"Wise Installation Wizard Module"),
};
string match = MatchUtil.GetFirstMatch(file, fileContent, matchers, includeDebug);
if (!string.IsNullOrWhiteSpace(match))
return match;
}
return null;
}
/// <inheritdoc/>
public ConcurrentDictionary<string, ConcurrentQueue<string>> Scan(Scanner scanner, string file)