""ET TROJAN Generic - 8Char.JAR Naming Algorithm""

SID: 2015050

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2012_07_12, updated_at 2012_07_12

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "-Disposition|3a| inline"

  • Value: ".jar"

  • Value: "PK"

Within: 2

PCRE: "/[=\"]\w{8}.jar/Hi"

Special Options:

  • http_header

  • nocase

  • http_header

  • fast_pattern

  • file_data

source