""ET TROJAN Anuna PHP Backdoor Attempt""

SID: 2023305

Revision: 1

Class Type: trojan-activity

Metadata: affected_product PHP, attack_target Web_Server, created_at 2016_09_28, deployment Perimeter, malware_family Anuna, signature_severity Major, updated_at 2016_09_28

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: !"Referer|3a|"

  • Value: ".php?cookie=1"

Within:

PCRE: "/.php\?cookie=1$/U"

Special Options:

  • http_header

  • http_uri

source