""ET MALWARE OSX/Adware.Pirrit CnC Activity 3""

SID: 2033028

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2021_05_25, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2021_05_25

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: "/rl?tm="

  • Value: "&id="

  • Value: "&cu="

  • Value: "&ci="

  • Value: "&cv="

  • Value: "&iv="

  • Value: "&pchid="

  • Value: "&ug="

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_header

source