""ET TROJAN TrueBot/Silence.Downlaoder Screenshot Post M2""

SID: 2039121

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_10_07, deployment Perimeter, malware_family TrueBot, signature_severity Major, updated_at 2022_10_07

Reference:

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: ".php"

  • Value: "Content-Type|3a 20|multipart|2f|form|2d|data|3b 20|boundary|3d 2d 2d 2d 2d|WebKitFormBoundaryYeg3e1XpGtiXfNZD|0d 0a|"

Within:

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_header

source