SID: 2049799

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_12_20, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2023_12_20

Reference:

  • md5

  • e788e3c27518515d09b5dee9f60acb49

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: ".html"

  • Value: "|3b 20|WinHttp.WinHttpRequest.5|29|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+\x3b\x20WinHttp.WinHttpRequest.5\x29/Hmi"

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

  • http_header

source