""ET TROJAN W32/Zbot.Variant Fake MSIE 6.0 UA""

SID: 2016509

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2013_02_27, updated_at 2014_09_19

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: ".htm?"

  • Value: "User-Agent|3a| Mozilla/4.0 (compatible|3b| MSIE 6.0|3b| Windows NT 5.1|3b| SV1)|0d 0a|"

Within:

PCRE: "/\/[a-z].htm\?[A-Za-z0-9]+$/U"

Special Options:

  • http_uri

  • http_header

source