""ET CURRENT_EVENTS SUSPICIOUS Possible CVE-2017-0199 IE7/NoCookie/Referer HTA dl""

SID: 2024449

Revision: 2

Class Type: attempted-user

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_07_07, cve CVE_2017_0199, deployment Perimeter, updated_at 2017_07_07

Reference:

  • md5

  • 66a42e338e32fb6c02c9d4c56760d89d

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: ".hta"

  • Value: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b| MSIE 7.0|3b|"

  • Value: !"Referer|3a|"

  • Value: !"|0d 0a|Cookie|3a|"

Within:

PCRE: "/.hta(?:[?&]|$)/Ui"

Special Options:

  • http_uri

  • http_header

  • http_header

source