""ET CURRENT_EVENTS Fiesta EK SilverLight Exploit Apr 23 2015""

SID: 2020982

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2015_04_23, updated_at 2015_05_04

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "Content-Disposition|3a 20|inline|3b|"

  • Value: ".xap"

  • Value: "AppManifest.xaml"

Within:

PCRE: "/Content-Disposition\x3a\x20[^\r\n]+filename=[a-z]{5,8}\d{2,3}.xap\r\n/Hm"

Special Options:

  • http_header

  • http_header

  • file_data

source