""ET TROJAN APT28/FancyBear Related Activity (POST)""

SID: 2038958

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_09_23, deployment Perimeter, deployment SSLDecrypt, malware_family APT28, malware_family Fancy_Bear, signature_severity Major, updated_at 2022_09_23

Reference:

  • md5

  • 2ff3e6c9244ef965295aa60879d1aa6b

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: "microsoftonline.com"

  • Value: "client_id=62272a08-fe9d-4825-bc65-203842ff92bc" Depth: 46

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+microsoftonline.com/Hmi"

Special Options:

  • http_method

  • http_header

  • fast_pattern

  • http_client_body

  • http_header

source