""ET TROJAN Cryptolocker Checkin""

SID: 2019353

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2014_10_03, former_category MALWARE, updated_at 2022_05_03

Reference:

  • md5

  • 01be3fc3243d582d9f93d01401c4f95e

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/random.php"

  • Value: !"Accept|3a|"

  • Value: !"Referer|3a|"

  • Value: "User-Agent|3a 20|Mozilla/5."

Within:

PCRE: "/^\d{2,7}\r\n/R"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

source