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Start converting Armadillo checks

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This commit is contained in:
Matt Nadareski
2021-08-26 20:38:01 -07:00
parent 7bbed5985b
commit ea8f557097
1 changed files with 42 additions and 4 deletions
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46
BurnOutSharp/PackerType/Armadillo.cs
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@@ -1,5 +1,9 @@
using System.Collections.Generic;
using System.Linq;
using System.Text;
using BurnOutSharp.ExecutableType.Microsoft;
using BurnOutSharp.Matching;
using BurnOutSharp.Tools;
namespace BurnOutSharp.PackerType
{
@@ -8,17 +12,51 @@ namespace BurnOutSharp.PackerType
/// <inheritdoc/>
public List<ContentMatchSet> GetContentMatchSets()
{
// TODO: Remove this if the below section check is proven
return new List<ContentMatchSet>
{
// .nicode + (char)0x00
new ContentMatchSet(new byte?[] { 0x2E, 0x6E, 0x69, 0x63, 0x6F, 0x64, 0x65, 0x00 }, "Armadillo"),
// ARMDEBUG
new ContentMatchSet(new byte?[] { 0x41, 0x52, 0x4D, 0x44, 0x45, 0x42, 0x55, 0x47 }, "Armadillo"),
};
}
/// <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
PEExecutable pex = PEExecutable.Deserialize(fileContent, 0);
var sections = pex?.SectionHeaders;
if (sections == null)
return null;
// Get the .nicode section, if it exists -- TODO: Confirm this check with a real disc
var nicodeSection = sections.FirstOrDefault(s => Encoding.ASCII.GetString(s.Name).StartsWith(".nicode"));
if (nicodeSection != null)
return "Armadillo";
// Get the .text1 section for scanning
var textSection = sections.FirstOrDefault(s => Encoding.ASCII.GetString(s.Name).StartsWith(".text1"));
if (textSection != null)
{
System.Console.WriteLine($"{Encoding.ASCII.GetString(textSection.Name)} {textSection.VirtualAddress}");
int textSectionAddr = (int)EVORE.ConvertVirtualAddress(textSection.VirtualAddress, sections);
int textSectionEnd = textSectionAddr + (int)textSection.VirtualSize;
System.Console.WriteLine($"{Encoding.ASCII.GetString(textSection.Name)} {textSectionAddr} - {textSectionEnd}");
var matchers = new List<ContentMatchSet>
{
// ARMDEBUG
new ContentMatchSet(
new ContentMatch(new byte?[] { 0x41, 0x52, 0x4D, 0x44, 0x45, 0x42, 0x55, 0x47 }, start: textSectionAddr, end: textSectionEnd),
"Armadillo"),
};
return MatchUtil.GetFirstMatch(file, fileContent, matchers, includeDebug);
}
return null;
}
}
}