""ET TROJAN Win32/RisePro CnC Activity (GET)""

SID: 2042988

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_21, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2022_12_21

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "GET"

  • Value: "/doc" Depth: 4

  • Value: "User-Agent|3a 20|Mozilla|2f|5|2e|0|20 28|Windows|20|NT|20|10|2e|0|3b 20|Win64|3b 20|x64|29 20|AppleWebKit|2f|537|2e|36|20 28|KHTML|2c 20|like|20|Gecko|29 20|Chrome|2f|93|2e|0|2e|4577|2e|63|20|Safari|2f|537|2e|36|0d 0a|Host"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/\/doc(?:[0-9]{9})_(?:[0-9]{9})\x3fhash=(?:[a-zA-Z0-9]{43})&dl=(?:[0-9A-Z]{15}):(?:[0-9]{10}):(?:[a-zA-Z0-9]{43})&api=\d&no_preview=\d/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

source