""ET TROJAN Brute Ratel CnC Activity (xml-c2) M1""

SID: 2038841

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_09_15, deployment Perimeter, malware_family BrutalRatel, signature_severity Major, updated_at 2022_09_15

Reference:

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: "/previous-versions/windows"

  • Value: "|3c 3f|xml|20|version|3d 22|1|2e|0|22 3f 3e 0d 0a 3c|batch|3e 0d 0a|" Depth: 32

  • Value: "|3c|add|20|id|3d 22|tt0484562|22|"

  • Value: "Content-Type|3a 20|application|2f|xhtml|2b|xml|0d 0a|"

  • Value: !"Referer|3a 20|"

  • Value: "User-Agent|3a 20|Mozilla|2f|5|2e|0|20 28|Windows|20|NT|20|6|2e|3|3b 20|Trident|2f|7|2e|0|3b 20|rv|3a|11|2e|0|29 20|like|20|Gecko|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_header

  • http_header

  • http_header

source