""ET TROJAN Win32/CopperStealer CnC Activity M2""

SID: 2031926

Revision: 6

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_30, deployment Perimeter, signature_severity Major, updated_at 2021_09_21

Reference:

  • md5

  • b0110812a72552902f0bd69d640b8e1c

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|info="

  • Value: "POST"

  • Value: "Host|3a 20|"

  • Value: "|2e|"

  • Value: "info=" Depth: 5

  • Value: !"Referer|3a|"

Within: 1

PCRE: "/^info=[A-Za-z0-9-_~]{75,}$/P"

Special Options:

  • http_method

  • http_header

  • http_header

  • http_client_body

  • http_header

source