""ET TROJAN Gasket Submitting Logs to CnC""

SID: 2033341

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2021_07_15, malware_family Gasket, updated_at 2021_07_15

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: "/cert/dist"

  • Value: "User-Agent|3a 20|Go-http-client"

Within:

PCRE: "/^Host\x3a\x20\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}(?:\:\d{1,5})?$/Hm"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_header

source