木马检测，错误日志里有一句总是提示一句话木马
2020/09/19 19:39:32
用护卫神检测discuz错误日志(XXXX_errorlog.php)总提示有一句话木马，打开日志，发现是下面这句日志记录提示木马，请帮忙分析主句日志是啥意思，谢谢！！！
<?PHP exit;?> 1599404655 <b>您当前的访问请求当中含有非法字符，已经被系统拒绝</b><br><b>PHP:</b>index.php:0154index.php:0154 -> portal.php:0027portal.php:0027 -> source\class\discuz\discuz_application.php:0071source\class\discuz\discuz_application.php:0071 -> source\class\discuz\discuz_application.php:0592source\class\discuz\discuz_application.php:0592 -> source\class\discuz\discuz_application.php:0384source\class\discuz\discuz_application.php:0384 -> source\function\function_core.php:0023source\function\function_core.php:0023 -> source\class\discuz\discuz_error.php:0024source\class\discuz\discuz_error.php:0024 97fa8fb8085b6815ed13a1f246ebe8a7 <b>User:</b> uid=0; IP=58.221.57.231; RIP:58.221.57.231 Request: /index.php?s=/module/action/param1/$%7B@print(eval($_POST[c]))%7D
每次把上面这句话删除，护卫神就不再提示一句话木马，日志里这句话是啥意思呢
<?PHP exit;?> 1599404655 <b>您当前的访问请求当中含有非法字符，已经被系统拒绝</b><br><b>PHP:</b>index.php:0154index.php:0154 -> portal.php:0027portal.php:0027 -> source\class\discuz\discuz_application.php:0071source\class\discuz\discuz_application.php:0071 -> source\class\discuz\discuz_application.php:0592source\class\discuz\discuz_application.php:0592 -> source\class\discuz\discuz_application.php:0384source\class\discuz\discuz_application.php:0384 -> source\function\function_core.php:0023source\function\function_core.php:0023 -> source\class\discuz\discuz_error.php:0024source\class\discuz\discuz_error.php:0024 97fa8fb8085b6815ed13a1f246ebe8a7 <b>User:</b> uid=0; IP=58.221.57.231; RIP:58.221.57.231 Request: /index.php?s=/module/action/param1/$%7B@print(eval($_POST[c]))%7D
每次把上面这句话删除，护卫神就不再提示一句话木马，日志里这句话是啥意思呢