""ET TROJAN Spy/Infostealer.Win32.Embed.A Client Traffic""

SID: 2016932

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2013_05_29, deployment Perimeter, malware_family HIMAN, performance_impact Moderate, signature_severity Major, updated_at 2017_03_20

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/search?hl="

  • Value: "q="

  • Value: "meta="

  • Value: "Windows NT 5."

  • Value: !"Referer|3a|"

  • Value: !"Accept"

  • Value: !"sogou.com"

Within:

PCRE: "/meta=(?:(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4}))?(?:&?id=[a-z]+)?$/U"

Special Options:

  • http_uri

  • http_uri

  • http_uri

  • http_header

  • http_header

  • http_header

  • http_header

source