""ET TROJAN Observed TA402 Domain in TLS SNI""

SID: 2049163

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_07_31, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, tag TA402, updated_at 2023_11_13, reviewed_at 2024_01_26, former_sid 2854971

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00 0f|theconomics.net"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source