""ET TROJAN CloudAtlas APT Maldoc Activity (GET)""

SID: 2034284

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_10_28, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2021_10_28

Reference:

  • md5

  • 1060678d61ea5152283be60df2472b6f

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".dotm"

  • Value: "Host|3a 20|checklicensekey.com|0d 0a|"

Within:

PCRE: "/.dotm$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source