""ET TROJAN Malicious VBE Script (COVID-19 Phish 2020-04-03)""

SID: 2029812

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_04_03, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_04_03

Reference:

  • md5

  • 7d9a1ed7057e1b5c574ddccc9d45c3eb

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: "id=covid" Depth: 8

  • Value: !"Referer"

  • Value: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b| Win32|3b| WinHttp.WinHttpRequest.5)"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_client_body

  • http_header

source