""ET TROJAN APT33/CharmingKitten Retrieving New Payload (flowbit set)""

SID: 2026577

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 2018_11_05, deployment Perimeter, performance_impact Low, signature_severity Major, tag APT33, tag CharmingKitten, updated_at 2018_12_07

Reference:

  • md5

  • 9881bccf12fd8ae71a03247d2ad61a06

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: "/images/static/content/" Depth: 23

  • Value: !"Cache"

  • Value: !"Accept"

  • Value: !"Referer"

Within:

PCRE: "/^\/images\/static\/content\/$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

source