""ET TROJAN Win32/CopperStealer CnC Activity M3""

SID: 2031927

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_01_21, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_01_21

Reference:

  • md5

  • acd347a1839ee422d9393a09b5302ea2

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST /info/" Depth: 11

  • Value: "Content-Type|3a|application/x-www-form-urlencoded|0d 0a|"

  • Value: "info=" Depth: 5

  • Value: !"&"

Within:

PCRE: "/(?:retdl|fb|step) HTTP\/1.1/R"

Special Options:

  • fast_pattern

  • http_header

  • http_client_body

  • http_client_body

source