""ET TROJAN WildPressure/Milum CnC Activity""

SID: 2033316

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 2021_07_12, deployment Perimeter, signature_severity Major, updated_at 2021_07_12

Reference:

  • md5

  • 92a11f0dcb973d1a58d45c995993d854

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "|0d 0a 0d 0a|pk="

  • Value: "POST"

  • Value: ".php"

  • Value: "User-Agent|3a 20|Python-urllib/"

  • Value: "pk=" Depth: 3

  • Value: "&value="

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^pk=[A-Za-z0-9]{8,50}&value=[a-f0-9]{50,500}$/Ps"

Special Options:

  • fast_pattern

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • http_client_body

  • http_header

source