""ET MALWARE SpamBlockerUtility Fake Anti-Spyware User-Agent (SpamBlockerUtility x.x.x)""

SID: 2003384

Revision: 14

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, signature_severity Minor, tag Spyware_User_Agent, updated_at 2019_08_14

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "SpamBlockerUtility "

Within:

PCRE: "/User-Agent\:[^\n]+SpamBlockerUtility \d/iH"

Special Options:

  • http_header

source