SID: 2049809

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_12_21, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2023_12_21

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: "/rat.php"

  • Value: "powershell"

  • Value: !"Referer|3a 20|"

  • Value: !"Accept"

Within:

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

Special Options:

  • http_method

  • http_uri

  • http_header

  • nocase

  • http_header

  • http_header

source