""ET TROJAN Gamaredon/Armageddon CnC Activity (Sending Windows System Information)""

SID: 2034352

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_11_05, deployment Perimeter, malware_family Gamaredon, signature_severity Major, updated_at 2021_11_05

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: "_540AD80E/walt.html"

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"

Within:

PCRE: "/_540AD80E\/walt.html$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source