SID: 2045304

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_05_03, deployment Perimeter, deployment SSLDecrypt, performance_impact Significant, confidence Medium, signature_severity Major, updated_at 2023_05_03

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "HEAD"

  • Value: "/?" Depth: 2

  • Value: ".php?id="

  • Value: "User-Agent|3a 20|Microsoft Office"

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

  • http_header

source