""ET TROJAN Possible Sharik/Smoke Loader Microsoft Connectivity check M3""

SID: 2025440

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_03_27, deployment Perimeter, malware_family Smoke_Loader, signature_severity Major, updated_at 2018_03_27

Reference:

  • md5

  • e297f2ed2d162ad925ac140915a21405

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: "/visualstudio/"

  • Value: "www.microsoft.com"

  • Value: "Cache-Control" Depth: 13

  • Value: !"Referer|3a|"

  • Value: !"Accept"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

  • http_header

source