سلام
مدتی هست که این حملات از طریق لاگ lfd مشاهده میشه:

کد:
Apr 23 19:41:26 servername lfd[30328]: *User Processing* PID:30253 Kill:0 User:userhost VM:258(MB) EXE:/usr/local/php53/bin/php-cgi53 CMD:/usr/local/php53/bin/php-cgi53 -d sendmail_path='/usr/sbin/sendmail -t -i -f userhost@userhost.com' -d sendmail_from=\"userhost@userhost.com\" -d mail.log=\"/home/userhost/.php/php-mail.log\"
Apr 23 19:41:26 servername lfd[30328]: *User Processing* PID:30248 Kill:0 User:userhost VM:274(MB) EXE:/usr/local/php53/bin/php-cgi53 CMD:/usr/local/php53/bin/php-cgi53 -d sendmail_path='/usr/sbin/sendmail -t -i -f userhost@userhost.com' -d sendmail_from=\"userhost@userhost.com\" -d mail.log=\"/home/userhost/.php/php-mail.log\"
Apr 23 19:41:27 servername lfd[30328]: *User Processing* PID:30212 Kill:0 User:userhost VM:259(MB) EXE:/usr/local/php53/bin/php-cgi53 CMD:/usr/local/php53/bin/php-cgi53 -d sendmail_path='/usr/sbin/sendmail -t -i -f userhost@userhost.com' -d sendmail_from=\"userhost@userhost.com\" -d mail.log=\"/home/userhost/.php/php-mail.log\"
Apr 23 19:44:26 servername lfd[31595]: *User Processing* PID:30429 Kill:0 User:userhost VM:258(MB) EXE:/usr/local/php53/bin/php-cgi53 CMD:/usr/local/php53/bin/php-cgi53 -d sendmail_path='/usr/sbin/sendmail -t -i -f userhost@userhost.com' -d sendmail_from=\"userhost@userhost.com\" -d mail.log=\"/home/userhost/.php/php-mail.log\"
خواهشن بگید چه نوع حمله ای هست و باید چیکار کنم؟