""ET TROJAN Observed Malsmoke Staging Domain in SNI""

SID: 2033421

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_07_26, deployment Perimeter, signature_severity Major, tag SSL_TLS_SNI, updated_at 2021_07_26

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: to_server,established

Contents:

  • Value: "|16|" Depth: 1

  • Value: "|01|"

  • Value: "|00 00 15|premiumpornotubes.com"

Within:

PCRE:

Special Options:

source