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Added --one-file option to deobfuscate only one file at a time

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This commit is contained in:
de4dot 2011-09-28 01:19:19 +02:00
parent 6fec29daab
commit 2094990a93
5 changed files with 42 additions and 8 deletions
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3
de4dot.code/CommandLineParser.cs
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@ -135,6 +135,9 @@ namespace de4dot {
miscOptions.Add(new NoArgOption(null, "keep-types", "Keep obfuscator types, fields, methods", () => {
filesOptions.KeepObfuscatorTypes = true;
}));
miscOptions.Add(new NoArgOption(null, "one-file", "Deobfuscate one file at a time", () => {
filesOptions.OneFileAtATime = true;
}));
miscOptions.Add(new NoArgOption("v", null, "Verbose", () => {
Log.logLevel = Log.LogLevel.verbose;
}));

27
de4dot.code/FilesDeobfuscator.cs
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@ -36,6 +36,7 @@ namespace de4dot {
public bool RenameSymbols { get; set; }
public bool ControlFlowDeobfuscation { get; set; }
public bool KeepObfuscatorTypes { get; set; }
public bool OneFileAtATime { get; set; }
public DecrypterType? DefaultStringDecrypterType { get; set; }
public List<string> DefaultStringDecrypterMethods { get; private set; }
public IAssemblyClientFactory AssemblyClientFactory { get; set; }
@ -63,10 +64,36 @@ namespace de4dot {
public void doIt() {
if (options.DetectObfuscators)
loadAllFiles();
else if (options.OneFileAtATime)
deobfuscateOneAtATime();
else
deobfuscateAll();
}
void deobfuscateOneAtATime() {
loadAllFiles();
foreach (var file in options.Files) {
try {
file.deobfuscateBegin();
file.deobfuscate();
file.deobfuscateEnd();
if (options.RenameSymbols)
new DefinitionsRenamer(new List<IObfuscatedFile> { file }).renameAll();
file.save();
}
catch (Exception ex) {
Log.w("Could not deobfuscate {0}. Use -v to see stack trace", file.Filename);
Utils.printStackTrace(ex, Log.LogLevel.verbose);
}
finally {
file.deobfuscateCleanUp();
}
}
}
void deobfuscateAll() {
loadAllFiles();
deobfuscateAllFiles();

2
de4dot.code/Log.cs
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@ -44,7 +44,7 @@ namespace de4dot {
indentLevel--;
}
static void log(LogLevel l, string format, params object[] args) {
public static void log(LogLevel l, string format, params object[] args) {
if (l > logLevel)
return;
string indent = new string(' ', indentLevel * indentSize);

8
de4dot.code/Program.cs
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@ -55,13 +55,7 @@ namespace de4dot {
Log.e("ERROR: {0}", ex.Message);
}
catch (Exception ex) {
var line = new string('-', 78);
Log.e("\n\nERROR: Caught an exception:\n\n");
Log.e(line);
Log.e("Message: {0}", ex.Message);
Log.e("Type: {0}", ex.GetType());
Log.e(line);
Log.e("\n\nStack trace:\n{0}", ex.StackTrace);
Utils.printStackTrace(ex);
return 1;
}

10
de4dot.code/Utils.cs
View File

@ -173,5 +173,15 @@ namespace de4dot {
public static string getPathOfOurFile(string filename) {
return Path.Combine(getOurBaseDir(), filename);
}
public static void printStackTrace(Exception ex, Log.LogLevel logLevel = Log.LogLevel.error) {
var line = new string('-', 78);
Log.log(logLevel, "\n\nERROR: Caught an exception:\n\n");
Log.log(logLevel, line);
Log.log(logLevel, "Message: {0}", ex.Message);
Log.log(logLevel, "Type: {0}", ex.GetType());
Log.log(logLevel, line);
Log.log(logLevel, "\n\nStack trace:\n{0}", ex.StackTrace);
}
}
}