""ET INFO HTTP Request to a *.zip Domain""

SID: 2045975

Revision: 3

Class Type: misc-activity

Metadata: created_at 2023_05_31, deployment Perimeter, deployment SSLDecrypt, signature_severity Informational, updated_at 2023_06_05

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: ".zip|0d 0a|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+.zip/Hmi"

Special Options:

  • http_header

source