public bool ToBool()
{
var r = GetReader();
byte v;
while (r.TryRead(out v))
{
if (v != 0)
{
break;
}
}
// False is zero or negative zero
return(v != 0 && (v != 0x80 || r.Remaining != 0));
#if false
bool CastToBool(const valtype&vch)
{
for (size_t i = 0; i < vch.size(); i++)
{
if (vch[i] != 0)
{
// Can be negative zero
if (i == vch.size() - 1 && vch[i] == 0x80)
{
return(false);
}
return(true);
}
}
return(false);
}
#endif
}
static void Main(string[] args)
{
if (args.Count() != 1)
{
DisplayHelp();
}
if (!File.Exists(args[0]))
{
Console.WriteLine("Error : specified file doesnt exists.");
return;
}
//This dic will be filled with QUasar config values
Dictionary <String, object> PROPERTIES = new Dictionary <String, object>();
try
{ //Load the module using Dnlib (for security reasons, NO LIVE DEBUGGING/NO ASSEMBLY LOADING)
module = ModuleDefMD.Load(args[0]);
}
catch (Exception e)
{
Console.WriteLine("Error : " + e.Message);
return;
}
//Get All the type from the binary
IEnumerable <TypeDef> types = module.GetTypes();
//Browse all types to find the Main one. Config values are initialized in the constructor
foreach (var type in types)
{
if (PROPERTIES.Count() > 0)
{
break;
}
try
{
if (type.Fields.Count == 20 && type.Methods.Count == 3)
{
//We should be in "MainClass"
// Console.WriteLine(type);
//Get the constructor Body
MethodDef constructr = type.FindConstructors().First();
IList <Instruction> intrs = constructr.Body.Instructions;
if (intrs.Count == 0)
{
continue;
}
//1) Fill the values
string strvalue = "";
string fieldname = "";
int intvalue = 0;
sbyte sb = 0;
bool boleanvalue = false;
valtype VAL = valtype.Undefined;
foreach (var op in intrs)
{
//Console.WriteLine(op);
if (op.OpCode.OperandType == OperandType.InlineString)
{
strvalue = (string)op.Operand;
VAL = valtype.String;
continue;
}
if ((op.OpCode.OperandType == OperandType.InlineI))
{
intvalue = (int)op.Operand;
VAL = valtype.Integer;
continue;
}
if (op.OpCode.OperandType == OperandType.ShortInlineI)
{
sb = (sbyte)op.Operand;
VAL = valtype.Sbyte;
continue;
}
switch (op.OpCode.ToString())
{
case "ldc.i4.0":
VAL = valtype.Boolean;
boleanvalue = false;
break;
case "ldc.i4.1":
VAL = valtype.Boolean;
boleanvalue = true;
break;
default:
break;
}
if (op.OpCode.OperandType == OperandType.InlineField)
{
fieldname = op.Operand.ToString();
int index = fieldname.IndexOf("::");
fieldname = fieldname.Substring(index + 2, fieldname.Length - index - 2);
switch (VAL)
{
case valtype.String:
PROPERTIES.Add(fieldname, strvalue);
//Console.WriteLine(fieldname + " defined");
break;
case valtype.Integer:
PROPERTIES.Add(fieldname, intvalue);
//Console.WriteLine(fieldname + " defined");
break;
case valtype.Sbyte:
PROPERTIES.Add(fieldname, sb);
//Console.WriteLine(fieldname + " defined");
break;
case valtype.Boolean:
PROPERTIES.Add(fieldname, boleanvalue);
//Console.WriteLine(fieldname + " defined");
break;
}
VAL = valtype.Undefined;
}
}
//2) Find the ENC KEY
// The Encryption key is used in the Main method of the Main class
// This class only has 3 methods : Main, cctor, ctor. One constructor is empty, we alreay know the other one so the main method is the last one
MethodDef M = null;
String ENCRYPTIONKEY = "";
foreach (MethodDef MD in type.Methods)
{
if (MD.Body.Instructions.Count > 0 && MD != constructr)
{
M = MD;
break;
}
}
intrs = M.Body.Instructions;
int counter = 0;
foreach (var op in intrs)
{
if (ENCRYPTIONKEY != "")
{
break;
}
if (op.OpCode.OperandType == OperandType.InlineField)
{
counter++;
switch (counter)
{
case 1:
break;
case 2:
fieldname = op.Operand.ToString();
int index = fieldname.IndexOf("::");
fieldname = fieldname.Substring(index + 2, fieldname.Length - index - 2);
if (PROPERTIES[fieldname] is String)
{
ENCRYPTIONKEY = (string)PROPERTIES[fieldname];
}
break;
}
}
} //ENCRYPTION KEY FOUND
//3)DISPLAY DECRYPTED VALUES
//Initialize encryption
AES.SetDefaultKey(ENCRYPTIONKEY);
foreach (KeyValuePair <String, object> KP in PROPERTIES)
{
string value = "";
try
{
value = KP.Value.ToString();
if ((KP.Value is String) && (KP.Key != fieldname))
{
string tmp = AES.Decrypt((string)KP.Value); //AES.Decrypt returns "" if something was wrong (i.e string not encrypted.. Not all config is encrypted)
if (!String.IsNullOrEmpty(tmp))
{
value = tmp;
}
}
}
catch (Exception)
{
}
Console.WriteLine(KP.Key + " = " + value);
}
Console.ReadKey();
return;
}
}
catch (Exception)
{
}
}
}
