""ET DOS Possible WordPress Pingback DDoS in Progress (Inbound)""

SID: 2018277

Revision: 2

Class Type: attempted-dos

Metadata: affected_product Wordpress, affected_product Wordpress_Plugins, attack_target Web_Server, created_at 2014_03_14, deployment Datacenter, signature_severity Major, tag Wordpress, updated_at 2015_01_30

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/xmlrpc.php"

  • Value: "pingback.ping"

Within:

PCRE:

Special Options:

  • http_uri

  • nocase

  • nocase

  • http_client_body

  • fast_pattern

source