""ET CURRENT_EVENTS Java UA Requesting Numeric.ext From Base Dir (Observed in Redkit/Sakura)""

SID: 2017199

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2013_07_26, updated_at 2013_07_26

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: !"/404." Depth: 5

  • Value: "Java/1."

Within:

PCRE: "/^\/\d{2,}.[a-z0-9]+$/Ui"

Special Options:

  • http_uri

  • http_header

source