""ET TROJAN UNK_ConsoleCollie Go Backdoor CnC Checkin""

SID: 2052833

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_22, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag UNK_ConsoleCollie, updated_at 2024_05_22

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/c7db25"

  • Value: "Authorization|3a 20|"

  • Value: "User-Agent|3a 20|Go-http-client/1.|0d 0a|"

Within:

PCRE: "/Authorization\x3a\x20(:[a-f0-9]{6}-){2}[a-f0-9]{6}/H"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source