""ET TROJAN Tibs/Harnig Downloader Activity""

SID: 2010165

Revision: 6

Class Type: trojan-activity

Metadata: created_at 2010_07_30, updated_at 2012_08_24

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: ".php?adv=adv"

  • Value: "User-Agent|3a| "

  • Value: ")ver"

Within:

PCRE: "/^User-Agent\x3a[^\r\n]+)ver\d+\r?$/Hmi"

Special Options:

  • http_uri

  • http_header

  • nocase

  • http_header

  • fast_pattern

source