""ET EXPLOIT Generic ADSL Router DNS Change Request""

SID: 2025222

Revision: 2

Class Type: attempted-user

Metadata: affected_product D_Link_DSL_2640R, attack_target IoT, created_at 2018_01_19, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2018_01_19

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "dnsPrimary="

  • Value: "dnsSecondary="

  • Value: "Enable_DNSFollowing=1"

Within:

PCRE:

Special Options:

  • http_uri

  • http_uri

  • http_uri

source