""ET TROJAN Win32/Arid Gopher CnC Exfil (POST)""

SID: 2045704

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2023_05_15, updated_at 2023_05_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: "aimxxhwpcc"

  • Value: "|7b 22|arch|22 3a 22|" Depth: 9

  • Value: "|22 2c 22|av|22 3a 22|"

  • Value: "|22 2c 22|en|22 3a 22|"

  • Value: "|22 2c 22|ename|22 3a 22|"

  • Value: "|22 2c 22|os|22 3a 22|"

  • Value: "|22 2c 22|os_n|22 3a 22|"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+aimxxhwpcc/Hmi"

Special Options:

  • http_method

  • http_header

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source