""ET CURRENT_EVENTS Possible Styx EK SilverLight Payload""

SID: 2017731

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2013_11_20, updated_at 2020_10_28

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/1" Depth: 2

  • Value: !"Referer|3a|"

  • Value: !"User-Agent|3a|"

  • Value: "|0d 0a 0d 0a|"

Within:

PCRE: "/^\/1[a-z0-9]{13}.[a-z]{3}$/U"

Special Options:

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source