""ET POLICY DNSWatch .info IP Check""

SID: 2014359

Revision: 11

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2012_03_10, deployment Perimeter, deployment SSLDecrypt, former_category POLICY, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_05_15

Reference:

  • md5

  • efb755e662d7b933c4c65a411c166185

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/dns/dnslookup?la=en&host="

  • Value: "&type=A&submit=Resolve"

  • Value: "User-Agent|3a| Mozilla/5.0 (compatible|3B| MSIE 6.0.1|3B| "

  • Value: "WININET 5.0)|0D 0A|"

  • Value: "Host|3a| www.dnswatch.info|0d 0a|Cache-Control|3a| no-cache|0d 0a|"

Within:

PCRE:

Special Options:

  • http_uri

  • http_uri

  • http_header

  • http_header

  • fast_pattern

  • http_header

source