""ET WEB_SERVER FOX-SRT - Backdoor - CryptoPHP Shell C2 POST (fsockopen)""

SID: 2019749

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2014_11_20, updated_at 2014_11_20

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "Content-Type: application/x-www-form-urlencoded"

  • Value: "Connection|3a| close"

  • Value: "serverKey="

  • Value: "data="

  • Value: "key="

  • Value: !"Referer|3a|"

  • Value: !"User-Agent"

  • Value: !"Cookie|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • http_header

  • fast_pattern

  • http_header

  • http_header

source