private int GetOffset(IAMemoryPattern pattern)
{
switch (pattern.Algorithm)
{
case APatternScannerAlgorithm.BoyerMooreHorspool:
return(Utilities.ABoyerMooreHorspool.IndexOf(Data, pattern.GetBytes().ToArray()));
case APatternScannerAlgorithm.Naive:
return(Utilities.ANaive.GetIndexOf(pattern, Data, _module));
}
throw new NotImplementedException("GetOffset encountered an unknown PatternScannerAlgorithm: " + pattern.Algorithm + ".");
}
public static int GetIndexOf(IAMemoryPattern pattern, byte[] Data, AProcessSharpModule module)
{
var patternData = Data;
var patternDataLength = patternData.Length;
for (var offset = 0; offset < patternDataLength; offset++)
{
if (
pattern.GetMask()
.Where((m, b) => m == 'x' && pattern.GetBytes()[b] != patternData[b + offset])
.Any())
{
continue;
}
return(offset);
}
return(-1);
}