""ET TROJAN Fake Windows Scam ScreenLocker""

SID: 2024417

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_06_20, deployment Perimeter, former_category MALWARE, malware_family Screenlocker, performance_impact Moderate, signature_severity Major, updated_at 2020_08_06

Reference:

  • md5

  • 6443d8351f5ed62836003f103d8de20e

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: "/lock.php"

  • Value: "User-Agent|3a 20|MyAgent|0d 0a|"

  • Value: !"Accept"

  • Value: !"Referer|3a|"

Within:

PCRE: "/\/lock.php$/Ui"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

source