""ET TROJAN DFKRAT CnC Checkin M1""

SID: 2051523

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_03_07, deployment Perimeter, deployment SSLDecrypt, malware_family NGC2180, malware_family DFKRAT, performance_impact Low, confidence High, signature_severity Major, tag NGC2180, tag DFKRAT, updated_at 2024_03_07

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/yui/2.7.0/fonts/foot.jsp?name|3d|"

  • Value: "|26|id|3d|"

  • Value: "User-Agent|3a 20|Mozilla/5.0|20 28|Windows NT 6.1|3b 20|Win64|3b 20|x64|29 20|AppleWebKit/537.36|20 28|KHTML, like Gecko|29 20|Chrome/91.04472.106 Safari/537.36"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_header

source