""ET WEB_SERVER PHP WebShell Embedded In GIF (OUTBOUND)""

SID: 2017604

Revision: 1

Class Type: successful-admin

Metadata: created_at 2013_10_17, updated_at 2013_10_17

Reference:

• Link

Protocol: tcp

Source Network: $HTTP_SERVERS

Source Port: $HTTP_PORTS

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "GIF89"

• Value: "<?php"

Within: 5

PCRE:

Special Options:

• file_data

• fast_pattern

source