""ET INFO Mailtrack Email Activity Tracking M2""

SID: 2045063

Revision: 1

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2023_04_20, deployment Perimeter, deployment SSLDecrypt, performance_impact Moderate, signature_severity Informational, updated_at 2023_04_20

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/trace/link/" Depth: 12

  • Value: "&url=http"

  • Value: "Host|3a 20|mailtrack.io|0d 0a|"

Within: 18

PCRE: "/\/trace\/link\/(?:[a-z0-9]{40})\x3f/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

source