public JumpInstruction(Instruction insJump)
 {
     Instruction = insJump;
     Targets     = new List <Instruction>();
     if (insJump.Operand is Instruction)
     {
         Instruction insTarget = (Instruction)insJump.Operand;
         while (DeobfUtils.IsDirectJumpInstruction(insTarget) || DeobfUtils.IsDirectLeaveInstruction(insTarget))
         {
             insTarget = (Instruction)insTarget.Operand;
         }
         Targets.Add(insTarget);
     }
     else if (insJump.Operand is Instruction[])
     {
         Instruction[] ops = (Instruction[])insJump.Operand;
         for (int i = 0; i < ops.Length; i++)
         {
             Instruction insTarget = ops[i];
             if (insTarget == null)
             {
                 continue;
             }
             while (DeobfUtils.IsDirectJumpInstruction(insTarget) || DeobfUtils.IsDirectLeaveInstruction(insTarget))
             {
                 insTarget = (Instruction)insTarget.Operand;
             }
             Targets.Add(insTarget);
         }
     }
 }
        public static List <JumpInstruction> Find(MethodDefinition method, int insStart, int insEnd)
        {
            List <JumpInstruction>   list = new List <JumpInstruction>();
            Collection <Instruction> ic   = method.Body.Instructions;

            if (insStart < 0)
            {
                insStart = 0;
            }
            if (insEnd < 0)
            {
                insEnd = ic.Count - 1;
            }

            InsUtils.ComputeIndexes(ic);

            for (int i = insStart; i <= insEnd; i++)
            {
                Instruction insTemp = ic[i];
                if (DeobfUtils.IsJumpInstruction(insTemp))
                {
                    list.Add(new JumpInstruction(insTemp));
                }
            }
            return(list);
        }
示例#3
0
        private bool Save()
        {
            int start = cboStart.SelectedIndex - 1;
            int end   = cboEnd.SelectedIndex - 1;
            int to    = cboTo.SelectedIndex - 1;

            if (start < 0 || end < 0 || start > end)
            {
                SimpleMessage.ShowError("Invalid instruction range.");
                return(false);
            }

            if (to < 0 || (_start <= to && to <= _end))
            {
                SimpleMessage.ShowError("Invalid target instruction.");
                return(false);
            }

            if (to < start)
            {
                _displayStartIndex = to + 1;
            }
            else
            {
                _displayStartIndex = to - (end - start + 1) + 1;
            }
            if (rbBefore.Checked)
            {
                if (to > 0)
                {
                    DeobfUtils.MoveBlock(_method.Body, to - 1, start, end);
                }
                else
                {
                    DeobfUtils.MoveBlock(_method.Body, 0, start, end);
                    DeobfUtils.MoveBlock(_method.Body, end - start + 1, 0, 0);
                }
            }
            else
            {
                DeobfUtils.MoveBlock(_method.Body, to, start, end);
                _displayStartIndex++;
            }

            _start = start;
            _end   = end;
            return(true);
        }
        public void ValidNameTest004()
        {
            string           target;
            bool             result;
            TestDeobfOptions options = new TestDeobfOptions();

            target = "Aj4QrTN"; //TODO?
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "AJLlWT"; //TODO?
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "A05qgyfk1";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "auTALepob"; //TODO?
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "Rb6hGgFem";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "t97Xh2M3j";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "LpHIjhc6t";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "GpQNp4q1a";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "WGlD8fXCb";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);
        }
        public void ValidNameTest003()
        {
            string           target;
            bool             result;
            TestDeobfOptions options = new TestDeobfOptions();

            target = "O6Lu9fRJkae1mNEaZw";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "OvsG5kiWa2ig952vSH";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "NqVmlsUVgAvZE5umojm";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "AGEPbiSxbxaFCCuINB";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "PDbM101lmyWjObGHZX";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "uERBbksmWQHZojOlDO";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "mikr9QhOsU7eoLY2vO";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);

            target = "x20fdba2900edec1d";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsFalse(result, target);
        }
        public void ValidNameTest002()
        {
            string           target;
            bool             result;
            TestDeobfOptions options = new TestDeobfOptions();

            target = "MAX_LENGTH";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "PDF417";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "PDFGetFileName";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "SBConfiguration";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "ISBNumber";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "get_ISBNumber";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "GetISBNumber";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "GetASPXCode";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);
        }
示例#7
0
        public override void DecompileObject(object decompileObject)
        {
            if (!(decompileObject is IMetadataTokenProvider))
            {
                rtbText.Clear();
                return;
            }

            string             currentAssemblyFile;
            AssemblyDefinition ad;
            int index;

            FindCurrentAssembly(out currentAssemblyFile, out ad, out index);
            if (index < 0)
            {
                return;
            }

            IMetadataTokenProvider mtp = (IMetadataTokenProvider)decompileObject;
            object o = decompileObject;

            //use loaded assembly
            if (this.Assembly[index] != null &&
                !(decompileObject is Mono.Cecil.AssemblyDefinition) &&
                !(decompileObject is Mono.Cecil.ModuleDefinition) &&
                !(decompileObject is Mono.Cecil.ModuleReference) &&
                !(decompileObject is Mono.Cecil.AssemblyNameReference)
                )
            {
                ad = (AssemblyDefinition)this.Assembly[index];

                //LookupToken doesn't handle PropertyDefinition & EventDefinition?
                if (decompileObject is Mono.Cecil.PropertyDefinition)
                {
                    PropertyDefinition property = (PropertyDefinition)decompileObject;
                    TypeDefinition     type     = DeobfUtils.Resolve(property.DeclaringType, null, null);
                    if (type != null)
                    {
                        foreach (PropertyDefinition pd in type.Properties)
                        {
                            if (pd.MetadataToken.ToInt32() == property.MetadataToken.ToInt32())
                            {
                                o = pd;
                                break;
                            }
                        }
                    }
                }
                else if (decompileObject is Mono.Cecil.EventDefinition)
                {
                    EventDefinition eventDef = (EventDefinition)decompileObject;
                    TypeDefinition  type     = DeobfUtils.Resolve(eventDef.DeclaringType, null, null);
                    if (type != null)
                    {
                        foreach (EventDefinition ed in type.Events)
                        {
                            if (ed.MetadataToken.ToInt32() == eventDef.MetadataToken.ToInt32())
                            {
                                o = ed;
                                break;
                            }
                        }
                    }
                }
                else
                {
                    //TODO: maybe search by name will be better?
                    o = ad.MainModule.LookupToken(mtp.MetadataToken);
                }
            }

            if (o == null || decompileObject.ToString() != o.ToString())
            {
                rtbText.Rtf = GetRtf("Cannot find matched Cecil object!", null);
                return;
            }

            bool resolveDirAdded = _form.Host.AddAssemblyResolveDir(_form.SourceDir);

            BaseAssemblyResolver bar        = GlobalAssemblyResolver.Instance as BaseAssemblyResolver;
            bool savedRaiseResolveException = true;

            try
            {
                if (bar != null)
                {
                    savedRaiseResolveException = bar.RaiseResolveException;
                    bar.RaiseResolveException  = false;
                }
                rtbText.Rtf = _ilSpy.Decompile(cboLanguage.SelectedItem as string, o);
                try
                {
                    isHighlighting = true; //disable hightligh
                    new RichTextFormatterHelper(rtbText).DetectLinks();
                }
                finally
                {
                    isHighlighting = false;
                }
            }
            finally
            {
                if (resolveDirAdded)
                {
                    _form.Host.RemoveAssemblyResolveDir(_form.SourceDir);
                }
                if (bar != null)
                {
                    bar.RaiseResolveException = savedRaiseResolveException;
                }
            }
        }
        public static List <InstructionBlock> Find(MethodDefinition method)
        {
            List <InstructionBlock> list = new List <InstructionBlock>();

            if (method == null || !method.HasBody)
            {
                return(list);
            }

            Collection <Instruction> ic = method.Body.Instructions;

            if (ic.Count < 1)
            {
                return(list);
            }

            int firstIndex = 0;
            int lastIndex  = firstIndex;

            Instruction insLast = ic[lastIndex];

            while (lastIndex < ic.Count)
            {
                if (DeobfUtils.IsBlockDelimiter(insLast) || lastIndex + 1 >= ic.Count)
                {
                    InstructionBlock ib = new InstructionBlock(firstIndex, lastIndex);
                    list.Add(ib);

                    firstIndex = lastIndex + 1;
                    lastIndex  = firstIndex;
                }
                else
                {
                    lastIndex++;
                }
                if (lastIndex >= ic.Count)
                {
                    break;
                }
                insLast = ic[lastIndex];
            }

            int insCount = 0;

            foreach (InstructionBlock ib in list)
            {
                insCount += ib.EndIndex - ib.StartIndex + 1;

                Instruction insTo = null;
                if (ic[ib.EndIndex].Operand is Instruction)
                {
                    insTo = ic[ib.EndIndex].Operand as Instruction;
                }
                else
                {
                    int prev = ib.EndIndex - 1;
                    if (prev >= ib.StartIndex && ic[prev].Operand is Instruction)
                    {
                        insTo = ic[ib.EndIndex].Operand as Instruction;
                    }
                }
                if (insTo != null)
                {
                    int to = ic.IndexOf(insTo);
                    foreach (InstructionBlock ib2 in list)
                    {
                        if (ib2.StartIndex == ib.StartIndex)
                        {
                            continue;
                        }
                        if (ib2.StartIndex <= to && to <= ib2.EndIndex)
                        {
                            ib.NextBlock = ib2;

                            if (ib.StartIndex < ib2.StartIndex)
                            {
                                ib2.JumpDownRefCount++;
                            }
                            else
                            {
                                ib2.JumpUpRefCount++;
                            }
                        }
                    }
                }
            }

            if (insCount != ic.Count)
            {
                throw new ApplicationException("internal error in InstructionBlock.Find.");
            }

            return(list);
        }
        public void ValidNameTest001()
        {
            string           target;
            bool             result;
            TestDeobfOptions options = new TestDeobfOptions();

            target = "delegate037";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "m0000a5";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "A4";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "runMethod2";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "get_AssemblyName";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "CloseAllOpeningFiles";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "UserCommentMaxLength";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "get_RefersToR1C1";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "CompareTo";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "Superscript";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "SyncRoot";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "CheckLayout";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "SW_MINIMIZE";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);

            target = "CreateAQF1Completed";
            result = DeobfUtils.IsValidName(target, options);
            Assert.IsTrue(result, target);
        }