Persistence (TA0003)(external, opens in a new tab or window)
Execution (TA0002)(external, opens in a new tab or window)
Command and Control (TA0011)(external, opens in a new tab or window)
Initial Access (TA0001)(external, opens in a new tab or window)
text code block:event.category:file and host.os.type:linux and event.action:(creation or rename) and ( process.name: ( "nginx" or "apache2" or "httpd" or "caddy" or "lighttpd" or "httpd.worker" or "httpd-worker" or "httpd-prefork" or "php-cgi" or "php-fcgi" or "php-cgi.cagefs" or "frankenphp" or "lshttpd" or "litespeed" or "openlitespeed" or "fcgiwrap" or "uwsgi" or "daphne" or "uvicorn" or "hypercorn" or "granian" or "waitress-serve" or "flask" or "puma" or "unicorn" or "unicorn_rails" or "thin" or "rackup" or "mongrel_rails" or "starman" or "plackup" or "twiggy" or "hypnotoad" or "starlet" or "unitd" or "unitd-debug" or php-fpm* or lsphp* or gunicorn* or "nginx3" or "apache" or *.cgi or *.fcgi ) or (process.name: "java" and file.extension: ("jsp" or "jspx" or "jspf" or "tag" or "tagx" or "war" or "ear")) or (process.name: ("node" or "nodejs") and file.extension: ("js" or "mjs" or "cjs" or "ts" or "mts" or "cts")) or (process.name: "dotnet" and file.extension: ("cshtml" or "razor")) or (process.name: (mono* or xsp* or mod-mono-server* or fastcgi-mono-server*) and file.extension: ("asp" or "aspx" or "ashx" or "asmx" or "ascx" or "cshtml")) or (process.name: python* and file.extension: ("wsgi" or "cgi" or "fcgi")) or (process.name: ruby* and file.extension: ("erb" or "ru")) or (process.name: perl* and file.extension: ("cgi" or "fcgi" or "psgi")) or (process.name: lua* and file.extension: ("lua" or "luac")) ) and file.path:( /home/*/* or /var/www/* or /srv/www/* or /srv/http/* or /usr/share/nginx/* or /opt/zimbra/jetty* or /usr/share/caddy/* or /usr/local/lsws/* or /opt/bitnami/* or */sites/*/files/* or /opt/easyengine/* or */wp-content/* or */httpdocs/* or */httpsdocs/* or */htdocs/* or */wwwroot/* or */webroot/* or */cgi-bin/* or */upload/* or */uploads/* or */images/* or */media/* or */userfiles/* or */attachments/* or /usr/share/webapps/* or /usr/share/zabbix/* or /usr/share/phpmyadmin/* or /usr/share/phpMyAdmin/* or /var/lib/roundcube/* or /usr/share/cacti/* or /usr/share/nagios* or /var/lib/tomcat* or /usr/share/tomcat* or /usr/local/tomcat/* or /opt/tomcat* or /var/lib/jetty* or /usr/share/jetty* or /usr/local/cpanel/* or /usr/local/psa* or /opt/psa/admin/* or /usr/share/webmin/* or /usr/libexec/webmin/* or /usr/local/nginx/* or /usr/local/apache* or /usr/sap/* or /opt/rh/* or */public_html/* or */private_html/* or */public/* or */private/* or */deployments/* or */autodeploy/* or */dropins/* or */installedApps/* or /srv/caddy/* or /usr/local/openresty/* or */fileadmin/* or */custom_apps/* or */vhost* or /opt/apache-tomcat* or /opt/jetty* or /usr/local/jetty* or */wildfly*/* or */jboss*/* or */glassfish/* or */user_projects/domains/* or */resin*/webapps/* or */installedApps/* ) and not ( file.path:*/storage/framework/sessions/* or ( process.name:php-fpm* and file.path:( /mnt/WEB/*/public_html/tmp/templates/frontend/*.php or /mnt/WEB/*/public_html/wp-content/languages/*.json ) ) or (process.name:node and (user.id >= 1000 or user.id:0)) or ( ( file.path:( */.npm/* or */_cache/* or */_inventories/* or */_sessions/* or */cache/tcpdf/* or */cachestore_file/* or */files_trashbin/* or */localcache/* or */node_modules/* or */proxy_temp/* or */sessions/sess_* or */storage/framework/cache/* or */temp-write-test-* or */thumbnails/* or */uploads/web-file-upload-* ) or file.extension:( BMP or GIF or ICO or JPEG or JPG or PDF or PNG or SVG or TIFF or WEBP or avi or bmp or cache or flv or gif or ico or jpeg or jpg or lock or mkv or mov or mp3 or mp4 or ogg or part or pdf or png or svg or temp or tiff or tmp or tmpfsfile or wav or webp or wmv ) ) and not file.name:(*.asp* or *.cgi* or *.jsp* or *.php* or *.phtml*) ) )
Install detection rules in Elastic Security
Detect Unusual File Creation via Web Server in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).