""ET TROJAN NetBackdoor User-Agent (.net backdoor)""

SID: 2022245

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2015_12_12, updated_at 2015_12_12

Reference:

  • md5

  • a6a9e8b0432ad557245ac8ad2926ed7c

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "User-Agent|3a 20 2e|net backdor"

Within:

PCRE:

Special Options:

  • http_header

source