""ET TROJAN APT28 Uploader Variant Fake Request to Google""

SID: 2023917

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_12_07, deployment Perimeter, malware_family APT28_Uploader, performance_impact Significant, signature_severity Major, updated_at 2024_04_30

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "."

  • Value: "/?"

  • Value: "="

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

  • Value: "Content-Length|3a 20|0|0d 0a|"

  • Value: !"Content-Type|3a|"

  • Value: !"Referer|3a|"

  • Value: !"Accept"

Within: 3

PCRE: "/\/\?[a-zA-Z0-9]{1,3}=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/U"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

source