public ScanResult PerformSignatureScan(byte[] pattern, string mask, ProcessModule module, bool codeOnly = true)
{
MemoryModule mmod = MemoryModule.FromMemory(this, module);
byte[] buffer = new byte[4096];
int idx = 0;
bool found = false;
long start = mmod.ImageBase;// codeOnly ? mmod.BaseOfCode : mmod.ImageBase;
long size = codeOnly ? mmod.SizeOfCode : mmod.MemorySize;
while (true)
{
this.Position = start + idx;
this.Position -= this.Position % 4;
int length = this.Read(buffer, 0, (int)Math.Min(buffer.Length, size - idx));
for (int b = 0; b < buffer.Length - mask.Length; b++)
{
found = true;
for (int i = 0; i < mask.Length; i++)
{
if (mask[i] != '?' && buffer[b + i] != pattern[i])
{
found = false;
break;
}
}
if (found)
{
byte[] data = new byte[mask.Length];
Array.Copy(buffer, b, data, 0, mask.Length);
return(ScanResult.Succeeded(start + idx + b, data));
}
}
if (length - mask.Length == 0)
{
break;
}
idx += length - mask.Length;
if (this.Position >= start + size)
{
break;
}
}
return(ScanResult.Failed());
}