|
public CheckpointRestoreState ( string SaveFile ) : |
||
| SaveFile | string | |
| return | ||
public Vtero Scanit(ScanOptions op)
{
bool SkipVMCS = false;
#if TESTING
foreach (var sx in op.DisabledScans)
{
var spec = sx.ToLower();
if (spec.Contains("vmcs"))
{
SkipVMCS = true;
}
if (spec.Contains("obsd"))
{
Version = Version & ~PTType.OpenBSD;
}
if (spec.Contains("nbsd"))
{
Version = Version & ~PTType.NetBSD;
}
if (spec.Contains("fbsd"))
{
Version = Version & ~PTType.FreeBSD;
}
if (spec.Contains("lin"))
{
Version = Version & ~PTType.LinuxS;
}
if (spec.Contains("hv"))
{
Version = Version & ~PTType.HyperV;
}
if (spec.Contains("gen"))
{
Version = Version & ~PTType.GENERIC;
}
if (spec.Contains("win"))
{
Version = Version & ~PTType.Windows;
}
}
if ((Version & PTType.VALUE) == PTType.VALUE)
{
bool Parsed = false;
do
{
if (args.Length < 2)
{
WriteLine($"Specify value");
return;
}
Parsed = uint.TryParse(args[2], NumberStyles.HexNumber, CultureInfo.CurrentCulture, out valuI);
if (!Parsed)
{
Parsed = ulong.TryParse(args[2], NumberStyles.HexNumber, CultureInfo.CurrentCulture, out valuL);
if (Parsed)
{
Is64Scan = true;
}
else
{
WriteLine($"Unable to parse input {args[2]}");
return;
}
}
else
{
valuL = (ulong)valuI;
}
} while (!Parsed);
}
#endif
string Filename = null;
Vtero vtero = null;
PTType Version = PTType.Windows;
// this instance is temporally used for loading state
// i.e. don't set properties or fields here
var saveStateFile = $"{Filename}.inVtero.net";
if (File.Exists(saveStateFile))
{
if (todo.Key != ConsoleKey.D)
{
vtero = vtero.CheckpointRestoreState(saveStateFile);
vtero.OverRidePhase = true;
}
else
{
File.Delete(saveStateFile);
}
}
if (vtero.Phase < 2)
{
vtero = new Vtero(Filename);
}
//Mem.InitMem(parsed.FileName, null, vtero.DetectedDesc);
ProgressBarz.Bar.Message = "First pass, looking for processes";
ForegroundColor = ConsoleColor.Cyan;
#if TESTING
Timer = Stopwatch.StartNew();
if ((Version & PTType.VALUE) == PTType.VALUE)
{
var off = vtero.ScanValue(Is64Scan, valuL, 0);
WriteLine(FormatRate(vtero.FileSize, Timer.Elapsed));
using (var dstream = File.OpenRead(vtero.MemFile))
{
using (var dbin = new BinaryReader(dstream))
{
foreach (var xoff in off)
{
WriteLine($"Checking Memory Descriptor @{(xoff + 28):X}");
if (xoff > vtero.FileSize)
{
WriteLine($"offset {xoff:X} > FileSize {vtero.FileSize:X}");
continue;
}
dstream.Position = xoff + 28;
var MemRunDescriptor = new MemoryDescriptor();
MemRunDescriptor.NumberOfRuns = dbin.ReadInt64();
MemRunDescriptor.NumberOfPages = dbin.ReadInt64();
Console.WriteLine($"Runs: {MemRunDescriptor.NumberOfRuns}, Pages: {MemRunDescriptor.NumberOfPages} ");
if (MemRunDescriptor.NumberOfRuns < 0 || MemRunDescriptor.NumberOfRuns > 32)
{
continue;
}
for (int i = 0; i < MemRunDescriptor.NumberOfRuns; i++)
{
var basePage = dbin.ReadInt64();
var pageCount = dbin.ReadInt64();
MemRunDescriptor.Run.Add(new MemoryRun()
{
BasePage = basePage, PageCount = pageCount
});
}
WriteLine($"MemoryDescriptor {MemRunDescriptor}");
}
}
}
WriteLine("Finished VALUE scan.");
return;
}
if ((Version & PTType.VALUE) == PTType.VALUE)
{
return;
}
#endif
// basic perf checking
QuickOptions.Timer = Stopwatch.StartNew();
var procCount = vtero.ProcDetectScan(Version);
WriteColor(ConsoleColor.Blue, ConsoleColor.Yellow, $"{procCount} candidate process page tables. Time so far: {QuickOptions.Timer.Elapsed}, second pass starting. {QuickOptions.FormatRate(vtero.FileSize, QuickOptions.Timer.Elapsed)}");
//BackgroundColor = ConsoleColor.Black;
//ForegroundColor = ConsoleColor.Cyan;
if (procCount < 3)
{
WriteColor(ConsoleColor.Red, "Seems like a fail. Try generic scanning or implement a state scan like LinuxS");
return(null);
}
// second pass
// with the page tables we acquired, locate candidate VMCS pages in the format
// [31-bit revision id][abort indicator]
// the page must also have at least 1 64bit value which is all set (-1)
// Root-HOST CR3 will have uniform diff
// unless an extent based dump image is input, some .DMP variations
// TODO: Add support for extent based inputs
// Guest VMCS will contain host CR3 & guest CR3 (hCR3 & gCR3)
// sometimes CR3 will be found in multiple page tables, e.g. system process or SMP
// if I have more than 1 CR3 from different file_offset, just trim them out for now
// future may have a reason to isolate based on original locationAG
if (SkipVMCS)
{
return(vtero);
}
ProgressBarz.Bar.Message = "Second pass, correlating for VMCS pages";
var VMCSCount = vtero.VMCSScan();
//Timer.Stop();
WriteColor(ConsoleColor.Blue, ConsoleColor.Yellow, $"{VMCSCount} candidate VMCS pages. Time to process: {QuickOptions.Timer.Elapsed}, Data scanned: {vtero.FileSize:N}");
// second time
WriteColor(ConsoleColor.Blue, ConsoleColor.Yellow, $"Second pass done. {QuickOptions.FormatRate(vtero.FileSize * 2, QuickOptions.Timer.Elapsed)}");
// each of these depends on a VMCS scan/pass having been done at the moment
WriteColor(ConsoleColor.Cyan, ConsoleColor.Black, "grouping and joining all memory");
// After this point were fairly functional
vtero.GroupAS();
// sync-save state so restarting is faster
if (!File.Exists(saveStateFile))
{
Write($"Saving checkpoint... ");
saveStateFile = vtero.CheckpointSaveState();
WriteColor(ConsoleColor.White, saveStateFile);
}
return(vtero);
}
public static Vtero Scanit(ConfigOptions co)
{
bool SkipVMCS = (co.VersionsToEnable & PTType.VMCS) != PTType.VMCS;
var Filename = co.FileName;
co.VersionsToEnable = co.VersionsToEnable & ~PTType.VMCS;
// allocate now so that we can un-serialize or keep an instance
Vtero vtero = new Vtero();
// this instance is temporally used for loading state
// i.e. don't set properties or fields here
var saveStateFile = $"{Filename}.inVtero.net";
if (File.Exists(saveStateFile))
{
if (!co.IgnoreSaveData)
{
vtero = vtero.CheckpointRestoreState(saveStateFile);
if(vtero == null)
{
WriteColor(ConsoleColor.Red, "ERROR IN SERIALIZER");
return null;
}
vtero.OverRidePhase = true;
}
else
File.Delete(saveStateFile);
}
if (vtero.Phase < 2)
vtero = new Vtero(Filename);
if (!vtero.OverRidePhase)
{
Mem.InitMem(co.FileName, vtero.MRD);
ProgressBarz.BaseMessage = new ConsoleString("First pass, looking for processes");
ForegroundColor = ConsoleColor.Cyan;
#if TESTING
Timer = Stopwatch.StartNew();
if ((Version & PTType.VALUE) == PTType.VALUE)
{
var off = vtero.ScanValue(Is64Scan, valuL, 0);
WriteLine(FormatRate(vtero.FileSize, Timer.Elapsed));
using (var dstream = File.OpenRead(vtero.MemFile))
{
using (var dbin = new BinaryReader(dstream))
{
foreach (var xoff in off)
{
WriteLine($"Checking Memory Descriptor @{(xoff + 28):X}");
if (xoff > vtero.FileSize)
{
WriteLine($"offset {xoff:X} > FileSize {vtero.FileSize:X}");
continue;
}
dstream.Position = xoff + 28;
var MemRunDescriptor = new MemoryDescriptor();
MemRunDescriptor.NumberOfRuns = dbin.ReadInt64();
MemRunDescriptor.NumberOfPages = dbin.ReadInt64();
Console.WriteLine($"Runs: {MemRunDescriptor.NumberOfRuns}, Pages: {MemRunDescriptor.NumberOfPages} ");
if (MemRunDescriptor.NumberOfRuns < 0 || MemRunDescriptor.NumberOfRuns > 32)
{
continue;
}
for (int i = 0; i < MemRunDescriptor.NumberOfRuns; i++)
{
var basePage = dbin.ReadInt64();
var pageCount = dbin.ReadInt64();
MemRunDescriptor.Run.Add(new MemoryRun() { BasePage = basePage, PageCount = pageCount });
}
WriteLine($"MemoryDescriptor {MemRunDescriptor}");
}
}
}
WriteLine("Finished VALUE scan.");
return;
}
if ((Version & PTType.VALUE) == PTType.VALUE)
return;
#endif
}
// basic perf checking
QuickOptions.Timer = Stopwatch.StartNew();
var procCount = vtero.ProcDetectScan(co.VersionsToEnable);
if (!vtero.OverRidePhase)
{
WriteColor(ConsoleColor.Blue, ConsoleColor.Yellow, $"{procCount} candidate process page tables. Time so far: {QuickOptions.Timer.Elapsed}, second pass starting. {QuickOptions.FormatRate(vtero.FileSize, QuickOptions.Timer.Elapsed)}");
if (procCount < 3)
{
WriteColor(ConsoleColor.Red, "Seems like a fail. Try generic scanning or implement a state scan like LinuxS");
return null;
}
}
// second pass
// with the page tables we acquired, locate candidate VMCS pages in the format
// [31-bit revision id][abort indicator]
// the page must also have at least 1 64bit value which is all set (-1)
// Root-HOST CR3 will have uniform diff
// unless an extent based dump image is input, some .DMP variations
// TODO: Add support for extent based inputs
// Guest VMCS will contain host CR3 & guest CR3 (hCR3 & gCR3)
// sometimes CR3 will be found in multiple page tables, e.g. system process or SMP
// if I have more than 1 CR3 from different file_offset, just trim them out for now
// future may have a reason to isolate based on original locationAG
if (SkipVMCS)
{
if (!vtero.OverRidePhase)
vtero.GroupAS();
if (co.VerboseLevel > 1)
WriteColor(ConsoleColor.Yellow, "Skipping VMCS scan (as requested).");
}
else
{
ProgressBarz.BaseMessage = new ConsoleString("Second pass, correlating for VMCS pages");
var VMCSCount = vtero.VMCSScan();
//Timer.Stop();
if (!vtero.OverRidePhase)
{
WriteColor(ConsoleColor.Blue, ConsoleColor.Yellow, $"{VMCSCount} candidate VMCS pages. Time to process: {QuickOptions.Timer.Elapsed}, Data scanned: {vtero.FileSize:N}");
// second time
WriteColor(ConsoleColor.Blue, ConsoleColor.Yellow, $"Second pass done. {QuickOptions.FormatRate(vtero.FileSize * 2, QuickOptions.Timer.Elapsed)}");
// each of these depends on a VMCS scan/pass having been done at the moment
WriteColor(ConsoleColor.Cyan, ConsoleColor.Black, "grouping and joining all memory");
}
// After this point were fairly functional
vtero.GroupAS();
}
// sync-save state so restarting is faster
if (!File.Exists(saveStateFile))
{
Write($"Saving checkpoint... ");
saveStateFile = vtero.CheckpointSaveState();
WriteColor(ConsoleColor.White, saveStateFile);
}
Console.CursorVisible = true;
return vtero;
}
