""ET TROJAN SolarSys CnC Activity M1""

SID: 2031070

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_21, deployment Perimeter, signature_severity Major, updated_at 2020_10_21

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 /login.php " Depth: 16

  • Value: "User-Agent|3a 20|Mozilla/5.0 (Windows NT 6.1|3b 20|Win64|3b 20|x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36|0d 0a|"

  • Value: "id=" Depth: 3

Within:

PCRE: "/^id=[A-F0-9]{128}$/P"

Special Options:

  • http_header

  • http_client_body

  • nocase

source