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Update CryptoObfuscator deobfuscator

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This commit is contained in:
de4dot 2013-01-10 02:47:53 +01:00
parent 140d043844
commit 88571cbf8b
4 changed files with 6 additions and 5 deletions
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5
de4dot.code/deobfuscators/CryptoObfuscator/AntiDebugger.cs
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@ -64,11 +64,10 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
deobfuscate(method); deobfuscate(method);
if (!containsString(method, "debugger is activ") && if (!containsString(method, "debugger is activ") &&
!containsString(method, "debugger is running") && !containsString(method, "debugger is running") &&
!containsString(method, "run under a debugger") &&
!containsString(method, "run under debugger") &&
!containsString(method, "Debugger detected") && !containsString(method, "Debugger detected") &&
!containsString(method, "Debugger was detected") && !containsString(method, "Debugger was detected") &&
!containsString(method, "{0} was detected")) !containsString(method, "{0} was detected") &&
!containsString(method, "run under"))
continue; continue;
antiDebuggerType = type; antiDebuggerType = type;

2
de4dot.code/deobfuscators/CryptoObfuscator/ProxyCallFixer.cs
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@ -110,7 +110,7 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
MethodDef getProxyCreateMethod(TypeDef type) { MethodDef getProxyCreateMethod(TypeDef type) {
if (DotNetUtils.findFieldType(type, "System.ModuleHandle", true) == null) if (DotNetUtils.findFieldType(type, "System.ModuleHandle", true) == null)
return null; return null;
if (type.Fields.Count < 1 || type.Fields.Count > 12) if (type.Fields.Count < 1 || type.Fields.Count > 14)
return null; return null;
MethodDef createMethod = null; MethodDef createMethod = null;

2
de4dot.code/deobfuscators/CryptoObfuscator/ResourceDecrypter.cs
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@ -312,6 +312,8 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
yield return method; yield return method;
else if (DotNetUtils.isMethod(method, "System.Byte[]", "(System.SByte,System.IO.Stream,System.UInt32)")) else if (DotNetUtils.isMethod(method, "System.Byte[]", "(System.SByte,System.IO.Stream,System.UInt32)"))
yield return method; yield return method;
else if (DotNetUtils.isMethod(method, "System.Byte[]", "(System.Char,System.IO.Stream)"))
yield return method;
} }
} }

2
de4dot.code/deobfuscators/CryptoObfuscator/TamperDetection.cs
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@ -84,7 +84,7 @@ namespace de4dot.code.deobfuscators.CryptoObfuscator {
if (!method.IsStatic || !DotNetUtils.isMethod(method, "System.Void", "()")) if (!method.IsStatic || !DotNetUtils.isMethod(method, "System.Void", "()"))
return false; return false;
if (type.Methods.Count < 3 || type.Methods.Count > 16) if (type.Methods.Count < 3 || type.Methods.Count > 20)
return false; return false;
if (DotNetUtils.getPInvokeMethod(type, "mscoree", "StrongNameSignatureVerificationEx") != null) { if (DotNetUtils.getPInvokeMethod(type, "mscoree", "StrongNameSignatureVerificationEx") != null) {
} }