""ET TROJAN Brontok User-Agent Detected (Rivest)""

SID: 2020179

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2015_01_13, updated_at 2015_01_13

Reference:

  • md5

  • c83b55ab56f3deb60858cb25d6ded8c4

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "User-Agent|3a| Rivest|0d 0a|"

Within:

PCRE:

Special Options:

  • http_header

  • nocase

source