""ET WEB_CLIENT Microsoft Edge SmartScreen Page Spoof Attempt Dec 16 2016""

SID: 2023657

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Microsoft_Edge_Browser, attack_target Client_Endpoint, created_at 2016_12_16, deployment Perimeter, malware_family Tech_Support_Scam, performance_impact Low, signature_severity Major, tag Phishing, updated_at 2016_12_16

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "ms-appx-web|3a|//"

  • Value: "microsoftedge"

  • Value: "/assets/errorpages/"

  • Value: "BlockedDomain="

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

  • nocase

  • nocase

  • nocase

  • nocase

source