题目链接:https://adworld.xctf.org.cn/task/task_list?type=web&number=3&grade=0&page=1
F12打开开发者工具查看
view-source:的方法来访问源码
源码为
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Where is the FLAG</title>
</head>
<body>
<script>
document.oncontextmenu=new Function("return false")
document.onselectstart=new Function("return false")
</script>
<h1>FLAG is not here</h1>
<!-- cyberpeace{ce5377084d0707b849883dfba1bd8f72} -->
</body>
</html>
得到flag:cyberpeace{ce5377084d0707b849883dfba1bd8f72}