""ET TROJAN Win32/StoredBt.A Activity""

SID: 2018074

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2014_02_05, updated_at 2014_02_05

Reference:

  • md5

  • e8e9eb1cd4be7ab27743887be2aa28e9

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: ".php?a1="

  • Value: !"Referer|3a|"

  • Value: !"Accept-"

Within:

PCRE: "/.php\?a1=\d+&a2=(?:[0-9A-Fa-f]{2}-[0-9A-Fa-f]{2}-[0-9A-Fa-f]{2}-[0-9A-Fa-f]{2}-[0-9A-Fa-f]{2}-[0-9A-Fa-f]{2}|(?:[A-Za-z0-9+\/]{4})*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=|[A-Za-z0-9+\/]{4}))(?:&a\d+=[^&]+)+$/U"

Special Options:

  • http_uri

  • http_header

  • http_header

source