""ET EXPLOIT Linksys WRT54GL Router DNS Change POST Request""

SID: 2020858

Revision: 1

Class Type: attempted-admin

Metadata: created_at 2015_04_08, updated_at 2015_04_08

Reference:

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: "/apply.cgi"

  • Value: "submit_button=index" Depth: 19

  • Value: "&action=Apply"

  • Value: "&lan_dns0="

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • fast_pattern

  • http_client_body

  • nocase

  • http_client_body

source