static void Test(string hash, string[] strings)
{
if (hash.StartsWith("0x", StringComparison.CurrentCultureIgnoreCase))
{
uint fnv;
bool match = false;
if (uint.TryParse(hash.Substring(2), NumberStyles.HexNumber, CultureInfo.CurrentCulture, out fnv))
{
foreach (string str in strings)
{
uint strHash = Checksum.FFnv32(str);
if (strHash == fnv)
{
Console.WriteLine($"Match! :> {hash} : {str}");
}
}
if (!match)
{
Console.WriteLine("No matches :<");
}
return;
}
}
Console.WriteLine("Badly formatted hash, please us this format: 0xAABBCCDD");
}
static void Generate(FileInfo input, FileInfo output)
{
List <string> files = new List <string>();
if (Directory.Exists(input.FullName))
{
files = Directory.GetFiles(input.FullName, "*.sd2", SearchOption.AllDirectories).ToList();
}
else if (!input.Exists)
{
Console.WriteLine("Input file does not exist!");
return;
}
else
{
files.Add(input.FullName);
}
HashSet <string> uniqueSet = new HashSet <string>();
List <string> uniqueStrings = new List <string>();
Result result = new Result();
StaticDB sdb;
int x = 1;
foreach (string sdbFile in files)
{
Console.WriteLine($"Parsing SDB file {x} of {files.Count}: {sdbFile}");
x++;
sdb = new StaticDB();
try
{
sdb.Read(sdbFile);
}
catch (Exception)
{
Console.WriteLine("Parsing returned an error, maybe it's too old?");
continue;
}
foreach (StaticDB.Table sdbTable in sdb)
{
// add hashes
AddHashHashToResult(sdbTable.Id);
for (int col = 0; col < sdbTable.Columns.Count; col++)
{
StaticDB.Column sdbColumn = sdbTable.Columns[col];
AddHashHashToResult(sdbColumn.Id);
// check strings
if (sdbColumn.Type == StaticDB.DBType.String)
{
foreach (StaticDB.Row row in sdbTable)
{
string str = ((string)row.Fields[col]);
if (str != null)
{
string w = str.Trim();
string lw = w.ToLower();
string uw = w.ToUpper();
if (!uniqueSet.Contains(w))
{
uniqueSet.Add(w); uniqueStrings.Add(w);
}
if (!uniqueSet.Contains(lw))
{
uniqueSet.Add(lw); uniqueStrings.Add(lw);
}
if (!uniqueSet.Contains(uw))
{
uniqueSet.Add(uw); uniqueStrings.Add(uw);
}
string[] words2 = w.Split(new[] { '<', '>', '=', '"', '\\', '/', '.', '-', '_', '\0' });
foreach (string word2 in words2)
{
w = word2.Trim();
lw = w.ToLower();
uw = w.ToUpper();
if (!uniqueSet.Contains(w))
{
uniqueSet.Add(w); uniqueStrings.Add(w);
}
if (!uniqueSet.Contains(lw))
{
uniqueSet.Add(lw); uniqueStrings.Add(lw);
}
if (!uniqueSet.Contains(uw))
{
uniqueSet.Add(uw); uniqueStrings.Add(uw);
}
}
}
}
}
}
}
sdb = null;
GC.Collect();
}
Console.WriteLine($"Found a total of {uniqueStrings.Count} unique strings!");
Console.WriteLine($"Performing dictionary attack...");
foreach (string str in uniqueStrings)
{
if (result.TryGetValue(Checksum.FFnv32(str), out Match match))
{
if (!match.Matches.Contains(str))
{
match.Matches.Add(str);
if (match.BestGuess == null)
{
match.BestGuess = str;
}
}
}
}
Console.WriteLine($"Saving results to: {output.FullName}");
result.Save(output.FullName);
void AddHashHashToResult(uint hash)
{
if (!result.ContainsKey(hash))
{
result.Add(hash, new Match());
}
}
}
static bool BinaryAttack(ref Result result, string[] targets, out int matches)
{
HashSet <string> uniqueSet = new HashSet <string>();
List <string> uniqueStrings = new List <string>();
foreach (string file in targets)
{
Console.WriteLine($"Looking for unique strings in {file}");
Span <byte> data = File.ReadAllBytes(file);
int start = 0;
int next = 0;
bool found = false;
int minLen = 3;
while (next < data.Length)
{
bool valid = data[next] > 32 && data[next] < 127;
if (!found)
{
// range of printable ascii strings
if (valid)
{
start = next;
found = true;
}
}
else
{
if (!valid)
{
found = false;
if (next - start > minLen)
{
string str = Encoding.UTF8.GetString(data.Slice(start, next - start));
string w = str.Trim();
string lw = w.ToLower();
string uw = w.ToUpper();
if (!uniqueSet.Contains(w))
{
uniqueSet.Add(w); uniqueStrings.Add(w);
}
if (!uniqueSet.Contains(lw))
{
uniqueSet.Add(lw); uniqueStrings.Add(lw);
}
if (!uniqueSet.Contains(uw))
{
uniqueSet.Add(uw); uniqueStrings.Add(uw);
}
string[] words2 = str.Split(new[] { '<', '>', '=', '"', '\\', '/', '.', '-', '_', '\0' });
foreach (string word2 in words2)
{
w = word2.Trim();
lw = w.ToLower();
uw = w.ToUpper();
if (!uniqueSet.Contains(w))
{
uniqueSet.Add(w); uniqueStrings.Add(w);
}
if (!uniqueSet.Contains(lw))
{
uniqueSet.Add(lw); uniqueStrings.Add(lw);
}
if (!uniqueSet.Contains(uw))
{
uniqueSet.Add(uw); uniqueStrings.Add(uw);
}
}
}
}
}
next++;
}
}
matches = 0;
if (uniqueStrings.Count > 0)
{
Console.WriteLine($"Performing attack with the {uniqueStrings.Count} unique strings found :>");
foreach (string str in uniqueStrings)
{
if (result.TryGetValue(Checksum.FFnv32(str), out Match match))
{
if (!match.Matches.Contains(str))
{
match.Matches.Add(str);
if (match.BestGuess == null)
{
match.BestGuess = str;
}
Console.WriteLine($"Got match! 0x{Checksum.FFnv32(str).ToString("x8")} : {str}");
matches++;
}
}
}
return(true);
}
return(false);
}
static bool DictionaryAttack(ref Result result, string[] targets, out int matches)
{
HashSet <string> uniqueSet = new HashSet <string>();
List <string> uniqueStrings = new List <string>();
foreach (string file in targets)
{
Console.WriteLine($"Looking for unique strings in {file}");
string[] words = File.ReadAllText(file).Split(new [] { ' ', '\r', '\n', '\t' });
foreach (string word in words)
{
string w = word.Trim();
string lw = w.ToLower();
string uw = w.ToUpper();
if (!uniqueSet.Contains(w))
{
uniqueSet.Add(w); uniqueStrings.Add(w);
}
if (!uniqueSet.Contains(lw))
{
uniqueSet.Add(lw); uniqueStrings.Add(lw);
}
if (!uniqueSet.Contains(uw))
{
uniqueSet.Add(uw); uniqueStrings.Add(uw);
}
string[] words2 = w.Split(new[] { '<', '>', '=', '"', '\\', '/', '.', '-', '_', '\0' });
foreach (string word2 in words2)
{
w = word2.Trim();
lw = w.ToLower();
uw = w.ToUpper();
if (!uniqueSet.Contains(w))
{
uniqueSet.Add(w); uniqueStrings.Add(w);
}
if (!uniqueSet.Contains(lw))
{
uniqueSet.Add(lw); uniqueStrings.Add(lw);
}
if (!uniqueSet.Contains(uw))
{
uniqueSet.Add(uw); uniqueStrings.Add(uw);
}
}
}
}
matches = 0;
if (uniqueStrings.Count > 0)
{
Console.WriteLine($"Performing attack with the {uniqueStrings.Count} unique strings found :>");
foreach (string str in uniqueStrings)
{
if (result.TryGetValue(Checksum.FFnv32(str), out Match match))
{
if (!match.Matches.Contains(str))
{
match.Matches.Add(str);
if (match.BestGuess == null)
{
match.BestGuess = str;
}
Console.WriteLine($"Got match! 0x{Checksum.FFnv32(str).ToString("x8")} : {str}");
matches++;
}
}
}
return(true);
}
return(false);
}
