""ET POLICY Possible Web Crawl - libwww-perl User Agent""

SID: 2002935

Revision: 9

Class Type: attempted-recon

Metadata: created_at 2010_07_30, updated_at 2012_01_16

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "User-Agent|3a| "

  • Value: "libwww-perl/"

Within: 50

PCRE:

Special Options:

  • nocase

  • http_header

  • fast_pattern

  • nocase

  • http_header

source