""ET TROJAN Trojan.Bayrob Keepalive""

SID: 2020621

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2015_03_05, updated_at 2022_05_03

Reference:

  • md5

  • a4a3fab712b04ee901f491d4c704b138

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/isup.php"

  • Value: "Accept-Encoding|3a 20 20 20 20 20 20 20 20 20 20 20 20 20|"

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

source