""ET CURRENT_EVENTS VigLink Redirect To HiYu Phishing Landing Page""

SID: 2044289

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_02_22, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2023_02_24

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/?" Depth: 2

  • Value: "&u=_"

  • Value: ".xn--"

  • Value: ".xn--"

  • Value: "&drKey=1"

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

Within: 5

PCRE: "/^\/\?[a-z]{20}&u=_[a-z]{10}.xn--[a-z0-9]+.xn--.*&drKey=1$/U"

Special Options:

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_header

  • fast_pattern

source