static bool CheckProfilerStrings1(MethodDef method) { if (!DotNetUtils.HasString(method, "COR_ENABLE_PROFILING")) { return(false); } if (!DotNetUtils.HasString(method, "COR_PROFILER")) { return(false); } return(true); }
protected override bool CheckType(TypeDef type, MethodDef initMethod) { if (type == null) { return(false); } if (type.Methods.Count != 3) { return(false); } var virtProtect = DotNetUtils.GetPInvokeMethod(type, "kernel32", "VirtualProtect"); if (virtProtect == null) { return(false); } if (!DotNetUtils.HasString(initMethod, "Broken file")) { return(false); } if ((decryptMethod = FindDecryptMethod(type)) == null) { return(false); } bool callsFileStreamCtor = DotNetUtils.CallsMethod(initMethod, "System.Void System.IO.FileStream::.ctor(System.String,System.IO.FileMode,System.IO.FileAccess,System.IO.FileShare)"); if (!DotNetUtils.HasString(initMethod, "Module error")) { version = ConfuserVersion.v14_r57884; } else if (virtProtect.IsPrivate && callsFileStreamCtor) { int calls = ConfuserUtils.CountCalls(initMethod, "System.Void System.Buffer::BlockCopy(System.Array,System.Int32,System.Array,System.Int32,System.Int32)"); if (calls <= 1) { version = ConfuserVersion.v14_r58564; } else if (calls == 2) { version = ConfuserVersion.v14_r58852; } else if (calls == 4) { version = ConfuserVersion.v15_r59014; } else { return(false); } } else if (callsFileStreamCtor) { version = ConfuserVersion.v14_r58004; } else if (DotNetUtils.CallsMethod(initMethod, "System.Int32 System.Object::GetHashCode()")) { if (DotNetUtils.HasString(initMethod, "<Unknown>")) { version = ConfuserVersion.v17_r72989; } else { version = ConfuserVersion.v16_r71742; } } else if (DotNetUtils.CallsMethod(decryptMethod, "System.Security.Cryptography.Rijndael System.Security.Cryptography.Rijndael::Create()")) { version = ConfuserVersion.v17_r73605; } else if (DotNetUtils.HasString(initMethod, "<Unknown>")) { version = ConfuserVersion.v18_r75288; } else { version = ConfuserVersion.v19_r75725; } return(true); }
bool CheckType_v14_r58852(TypeDef type, MethodDef initMethod) { var virtualProtect = DotNetUtils.GetPInvokeMethod(type, "VirtualProtect"); if (virtualProtect == null) { return(false); } if (!DotNetUtils.CallsMethod(initMethod, "System.IntPtr System.Runtime.InteropServices.Marshal::GetHINSTANCE(System.Reflection.Module)")) { return(false); } int virtualProtectCalls = ConfuserUtils.CountCalls(initMethod, virtualProtect); if (virtualProtectCalls != 14 && virtualProtectCalls != 16) { return(false); } if (!DeobUtils.HasInteger(initMethod, 0x3C)) { return(false); } if (!DeobUtils.HasInteger(initMethod, 0x6c64746e)) { return(false); } if (!DeobUtils.HasInteger(initMethod, 0x6c642e6c)) { return(false); } if (!DeobUtils.HasInteger(initMethod, 0x6f43744e)) { return(false); } if (!DeobUtils.HasInteger(initMethod, 0x6e69746e)) { return(false); } int locallocs = ConfuserUtils.CountOpCode(initMethod, Code.Localloc); if (DeobUtils.HasInteger(initMethod, 0x18)) { version = ConfuserVersion.v14_r58852; } else if (virtualProtectCalls == 16) { version = ConfuserVersion.v16_r69339; } else if (virtualProtectCalls == 14) { if (locallocs == 2) { version = ConfuserVersion.v17_r74708; } else if (locallocs == 1) { if (DotNetUtils.HasString(initMethod, "<Unknown>")) { version = ConfuserVersion.v18_r75257; } else if (IsRev75725(initMethod)) { version = ConfuserVersion.v19_r75725; } else { version = ConfuserVersion.v19_r76186; } } else { return(false); } } else { return(false); } return(true); }
bool CheckMethod_safe(TypeDef type, MethodDef initMethod) { if (type == DotNetUtils.GetModuleType(module)) { if (!DotNetUtils.HasString(initMethod, "Debugger detected (Managed)")) { return(false); } if (!CheckProfilerStrings1(initMethod)) { return(false); } version = ConfuserVersion.v14_r57588_safe; } else { var ntQueryInformationProcess = DotNetUtils.GetPInvokeMethod(type, "ntdll", "NtQueryInformationProcess"); if (ntQueryInformationProcess == null) { return(false); } if (DotNetUtils.GetPInvokeMethod(type, "ntdll", "NtSetInformationProcess") == null) { return(false); } if (DotNetUtils.GetPInvokeMethod(type, "kernel32", "CloseHandle") == null) { return(false); } var antiDebugMethod = GetAntiDebugMethod(type, initMethod); if (antiDebugMethod == null) { return(false); } bool hasDebuggerStrings = DotNetUtils.HasString(antiDebugMethod, "Debugger detected (Managed)") || DotNetUtils.HasString(antiDebugMethod, "Debugger is detected (Managed)"); if (!DotNetUtils.CallsMethod(initMethod, "System.Void System.Threading.Thread::.ctor(System.Threading.ParameterizedThreadStart)")) { return(false); } if (ConfuserUtils.CountCalls(antiDebugMethod, ntQueryInformationProcess) != 0) { return(false); } if (!CheckProfilerStrings1(initMethod) && !CheckProfilerStrings2(initMethod)) { return(false); } int failFastCalls = ConfuserUtils.CountCalls(antiDebugMethod, "System.Void System.Environment::FailFast(System.String)"); if (failFastCalls != 2) { return(false); } if (hasDebuggerStrings) { if (!DotNetUtils.CallsMethod(antiDebugMethod, "System.Void System.Threading.Thread::.ctor(System.Threading.ParameterizedThreadStart)")) { version = ConfuserVersion.v16_r61954_safe; } else if (DotNetUtils.GetPInvokeMethod(type, "IsDebuggerPresent") == null) { version = ConfuserVersion.v17_r73822_safe; } else if (CheckProfilerStrings1(initMethod)) { version = ConfuserVersion.v17_r74021_safe; } else { version = ConfuserVersion.v19_r76119_safe; } } else { version = ConfuserVersion.v19_r78363_safe; } } return(true); }
bool CheckMethod_normal(TypeDef type, MethodDef initMethod) { var ntQueryInformationProcess = DotNetUtils.GetPInvokeMethod(type, "ntdll", "NtQueryInformationProcess"); if (ntQueryInformationProcess == null) { return(false); } if (DotNetUtils.GetPInvokeMethod(type, "ntdll", "NtSetInformationProcess") == null) { return(false); } if (DotNetUtils.GetPInvokeMethod(type, "kernel32", "CloseHandle") == null) { return(false); } var antiDebugMethod = GetAntiDebugMethod(type, initMethod); if (antiDebugMethod == null) { return(false); } bool hasDebuggerStrings = DotNetUtils.HasString(antiDebugMethod, "Debugger detected (Managed)"); if (DotNetUtils.CallsMethod(initMethod, "System.Void System.Threading.Thread::.ctor(System.Threading.ParameterizedThreadStart)")) { int failFastCalls = ConfuserUtils.CountCalls(antiDebugMethod, "System.Void System.Environment::FailFast(System.String)"); if (failFastCalls != 6 && failFastCalls != 8) { return(false); } if (!CheckProfilerStrings1(initMethod)) { return(false); } if (!DotNetUtils.CallsMethod(antiDebugMethod, "System.Void System.Threading.Thread::.ctor(System.Threading.ParameterizedThreadStart)")) { if (!hasDebuggerStrings) { return(false); } if (ConfuserUtils.CountCalls(antiDebugMethod, ntQueryInformationProcess) != 2) { return(false); } version = ConfuserVersion.v16_r61954_normal; } else if (failFastCalls == 8) { if (!hasDebuggerStrings) { return(false); } if (ConfuserUtils.CountCalls(antiDebugMethod, ntQueryInformationProcess) != 2) { return(false); } version = ConfuserVersion.v17_r73822_normal; } else if (failFastCalls == 6) { if (DotNetUtils.GetPInvokeMethod(type, "IsDebuggerPresent") == null) { return(false); } if (ConfuserUtils.CountCalls(antiDebugMethod, ntQueryInformationProcess) != 0) { return(false); } if (hasDebuggerStrings) { version = ConfuserVersion.v17_r74021_normal; } else { version = ConfuserVersion.v19_r78363_normal; } } else { return(false); } } else if (!DotNetUtils.CallsMethod(initMethod, "System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)")) { if (!hasDebuggerStrings) { return(false); } if (!DotNetUtils.CallsMethod(initMethod, "System.Void System.Diagnostics.Process::EnterDebugMode()")) { return(false); } if (!CheckProfilerStrings1(antiDebugMethod)) { return(false); } version = ConfuserVersion.v14_r57588_normal; } else { if (!hasDebuggerStrings) { return(false); } if (!DotNetUtils.CallsMethod(initMethod, "System.Void System.Diagnostics.Process::EnterDebugMode()")) { return(false); } if (!CheckProfilerStrings1(antiDebugMethod)) { return(false); } version = ConfuserVersion.v14_r60785_normal; } return(true); }