""ET WEB_SERVER AnonGhost PHP Webshell""

SID: 2023143

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Web_Server_Applications, attack_target Web_Server, created_at 2016_09_01, deployment Datacenter, performance_impact Low, signature_severity Major, updated_at 2016_09_01

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HTTP_SERVERS

Destination Port: any

Flow: from_server,established

Contents:

• Value: "base64_decode("

• Value: "Bbm9uR2hvc3Qg"

Within:

PCRE:

Special Options:

• file_data

• fast_pattern

source