""ET INFO GET Request Exfiltrating Username and Hostname""

SID: 2039605

Revision: 1

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2022_10_31, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2022_10_31

Reference:

  • md5

  • 76ee96d37d492dddcd8b62a2a0c1e426

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: "/index.php?name=" Depth: 16

  • Value: "&host="

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

source