""ET TROJAN Win32/Qbot/Quakbot Downloader - Requesting Secondary Download""

SID: 2029551

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_Client_Apps, attack_target Client_Endpoint, created_at 2020_02_28, deployment Perimeter, malware_family Qbot, signature_severity Major, updated_at 2020_02_28

Reference:

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: "|3f|uid|3d|"

  • Value: "User-Agent|3a 20|WebGL3D|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

source