""ET TROJAN Possible Puzzlemaker Remote Shell Activity (GET)""

SID: 2033128

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 2021_06_09, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, tag RAT, updated_at 2021_06_09

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: "/analytics"

  • Value: "Win64|3b|"

  • Value: "Chrome/"

Within:

PCRE: "/^Connection\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+[\r\n]+$/H"

Special Options:

  • http_method

  • http_uri

  • http_header

source