AntiTooling

Author: echo094

src/main.js

@@ -1,6 +1,7 @@
 const fs = require('fs')
 const PluginCommon = require('./plugin/common.js')
 const PluginJjencode = require('./plugin/jjencode.js')
+const PluginJsconfuser = require('./plugin/jsconfuser.js')
 const PluginSojson = require('./plugin/sojson.js')
 const PluginSojsonV7 = require('./plugin/sojsonv7.js')
 const PluginObfuscator = require('./plugin/obfuscator.js')
@@ -40,6 +41,8 @@ if (type === 'sojson') {
   code = PluginAwsc(sourceCode)
 } else if (type === 'jjencode') {
   code = PluginJjencode(sourceCode)
+} else if (type === 'jsconfuser') {
+  code = PluginJsconfuser(sourceCode)
 } else {
   code = PluginCommon(sourceCode)
 }

src/plugin/jsconfuser.js

@@ -0,0 +1,78 @@
+const { parse } = require('@babel/parser')
+const generator = require('@babel/generator').default
+const traverse = require('@babel/traverse').default
+const t = require('@babel/types')
+const ivm = require('isolated-vm')
+
+const isolate = new ivm.Isolate()
+const globalContext = isolate.createContextSync()
+function virtualGlobalEval(jsStr) {
+  return globalContext.evalSync(String(jsStr))
+}
+
+function deAntiToolingCheckFunc(path) {
+  if (path.node.params.length) {
+    return false
+  }
+  const body = path.node.body
+  if (!t.isBlockStatement(body)) {
+    return false
+  }
+  if (body.body.length) {
+    return false
+  }
+  return true
+}
+
+function deAntiToolingExtract(path, func_name) {
+  let binding = path.scope.getBinding(func_name)
+  for (let ref of binding.referencePaths) {
+    if (!ref.parentPath.isCallExpression() || !ref.key === 'callee') {
+      continue
+    }
+    const call = ref.parentPath
+    if (!call.listKey === 'body') {
+      continue
+    }
+    for (let node of call.node.arguments) {
+      call.insertBefore(node)
+    }
+    call.remove()
+  }
+  binding.scope.crawl()
+  binding = path.scope.getBinding(func_name)
+  if (binding.references === 0) {
+    path.remove()
+  }
+}
+
+const deAntiTooling = {
+  FunctionDeclaration(path) {
+    const func_name = path.node.id?.name
+    if (!func_name) {
+      return
+    }
+    if (!deAntiToolingCheckFunc(path)) {
+      return
+    }
+    console.log(`AntiTooling Func Name: ${func_name}`)
+    deAntiToolingExtract(path, func_name)
+  },
+}
+
+module.exports = function (code) {
+  let ast
+  try {
+    ast = parse(code, { errorRecovery: true })
+  } catch (e) {
+    console.error(`Cannot parse code: ${e.reasonCode}`)
+    return null
+  }
+  // AntiTooling
+  traverse(ast, deAntiTooling)
+  code = generator(ast, {
+    comments: false,
+    jsescOption: { minimal: true },
+  }).code
+  return code
+}