""ET INFO Suspicious Use of rzd URL Shortener Service""

SID: 2031647

Revision: 2

Class Type: policy-violation

Metadata: created_at 2021_02_22, updated_at 2021_02_22

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "HEAD"

  • Value: "Host|3a 20|rzd.ac|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_header

source