""ET TROJAN Linux/Denonia DNS Request Over HTTPS (denonia .xyz) M1""

SID: 2035891

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Linux, attack_target Client_Endpoint, created_at 2022_04_11, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2022_04_11

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: "/resolve?name=gw.denonia.xyz&type=A" Depth: 35

  • Value: "User-Agent|3a 20|GoKit XHTTP Client" Depth: 30

  • Value: "Host|3a 20|dns.google.com"

  • Value: "Accept|3a 20|application/dns-json"

  • Value: !"Referer|3a 20|"

  • Value: "X-Http-Gokit-Requestid|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

source