Add anti-anti-dbg.js

anti-anti-dbg.js

@@ -0,0 +1,31 @@
+// ==UserScript==
+// @name         Anti Anti-debugger
+// @namespace    http://tampermonkey.net/
+// @version      1
+// @description  Stops most anti debugging implementations by JavaScript obfuscaters
+// @author       ww
+// @include      *
+// @grant        unsafeWindow
+// @run-at       document-start
+// ==/UserScript==
+
+(function() {
+    var _constructor = unsafeWindow.Function.prototype.constructor;
+    // Hook Function.prototype.constructor
+    unsafeWindow.Function.prototype.constructor = function() {
+        var fnContent = arguments[0];
+        if (fnContent) {
+            if (fnContent.includes('debugger')) { // An anti-debugger is attempting to stop debugging
+                var caller = Function.prototype.constructor.caller; // Non-standard hack to get the function caller
+                var callerContent = caller.toString();
+                if (callerContent.includes(/\bdebugger\b/gi)) { // Eliminate all debugger statements from the caller, if any
+                    callerContent = callerContent.replace(/\bdebugger\b/gi, ''); // Remove all debugger expressions
+                    eval('caller = ' + callerContent); // Replace the function
+                }
+                return (function () {});
+            }
+        }
+        // Execute the normal function constructor if nothing unusual is going on
+        return _constructor.apply(this, arguments);
+    };
+})();