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

SID: 2017606

Revision: 1

Class Type: successful-admin

Metadata: created_at 2013_10_17, updated_at 2013_10_17

Reference:

Protocol: tcp

Source Network: $HTTP_SERVERS

Source Port: $HTTP_PORTS

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "PNG|0D 0A 1A 0A|"

  • Value: "<?php"

Within: 7

PCRE:

Special Options:

  • file_data

  • fast_pattern

source