""ET CURRENT_EVENTS Underminer EK Resource File Download M2""

SID: 2026423

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_09_27, deployment Perimeter, signature_severity Major, tag Underminer_EK, updated_at 2018_09_27

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: "/static/encrypt.min.js"

  • Value: "/"

  • Value: ".html|0d 0a|"

  • Value: "Accept|3a 20|application/javascript, /|3b|q=0.8|0d 0a|"

Within: 7

PCRE: "/^Referer\x3a\x20[^\r\n]+(?![a-z]{26}|[0-9]{26})[a-z0-9]{26}.html/Hmi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

source