SID: 2051981

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 plaintext, created_at 2024_04_10, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2024_04_10

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: "/getLicenseInfo.php?requirements=time&checkMethod=" Depth: 50

  • Value: "powershell/"

  • Value: !"Referer|3a 20|"

Within:

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

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • nocase

  • http_header

source