public List <VirusDS> getViruses(string signature, int position)
{
List <VirusDS> viruses = new List <VirusDS>();
connection.Open();
var command = connection.CreateCommand();
command.CommandText = $@"
SELECT * FROM viruses
WHERE Signature Like '{signature}%'
AND OffsetBegin <= {position}
AND OffsetEnd >= {position}
";
using (var reader = command.ExecuteReader())
{
while (reader.Read())
{
VirusDS virus = new VirusDS(
Int32.Parse(reader.GetString(0)),
reader.GetString(1),
reader.GetString(2),
Int32.Parse(reader.GetString(3)),
Int32.Parse(reader.GetString(4))
);
viruses.Add(virus);
}
}
connection.Close();
return(viruses);
}
private bool signatureOnFullMatch(VirusDS virus, byte[] data, int offset)
{
string signature = this.getStringOfBytes(data, offset, virus.signature.Length / 2);
bool signatureInFrame = (offset + virus.signature.Length) < virus.offsetEnd;
if (signature.Equals(virus.signature) && signatureInFrame)
{
return(true);
}
return(false);
}