""ET TROJAN Common Upatre URI/Headers Struct""

SID: 2020369

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2015_02_05, performance_impact Significant, updated_at 2024_04_08

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: !80

Flow: established,to_server

Contents:

  • Value: "GET /" Depth: 5

  • Value: !"Accept"

  • Value: !"Referer|3a|"

  • Value: "/"

  • Value: "/"

  • Value: "/"

  • Value: " HTTP/1.1|0d 0a|User-Agent"

Within: 1

PCRE: "/^Host\x3a[^\r\n]+\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}\x3a\d{1,5}\r?$/mi"

Special Options:

source