SID: 2048041

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_09_12, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2023_09_12, reviewed_at 2023_09_12

Reference:

  • md5

  • d2ed41719424bb024535afa1b2d17f3a

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: ".php?vw="

  • Value: "&nv="

  • Value: !"Referer"

Within: 7

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

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

source