""ET TROJAN W2KM_BARTALEX August 11 2015""

SID: 2021625

Revision: 4

Class Type: trojan-activity

Metadata: created_at 2015_08_14, updated_at 2022_05_03

Reference:

  • md5

  • 1bcea0364088c5308ed217649eeef4d9

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: ".jpg"

  • Value: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b| MSIE 6.0|3b| Windows NT 5.1|3b| FSL 7.0.6.01001)"

  • Value: !"Accept"

  • Value: !"Referer|3a|"

Within:

PCRE: "/\/(?:[a-z]+|\d+).jpg/Ui"

Special Options:

  • http_uri

  • nocase

  • http_header

  • http_header

  • http_header

source