""ET TROJAN FRat WebSocket Request M1""

SID: 2030279

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_06_10, deployment Perimeter, signature_severity Major, updated_at 2020_06_10

Reference:

  • md5

  • d10966c3a1d0b5694ee9ce0bb73401e2

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/socket.io/?__sails_io_sdk_version"

  • Value: "vInfo|3a 20|eyJtSWQiO"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

source