""ET MALWARE Observed Seetrol RAT Domain (seetrol .co .kr in TLS SNI)""

SID: 2049149

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_11_10, deployment Perimeter, malware_family PUP, signature_severity Informational, updated_at 2023_11_10

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|"

  • Value: "|00|"

  • Value: "seetrol.co.kr"

Within: 1

PCRE: "/^(?:\x00\x0d|.\x2e)seetrol.co.kr/R"

Special Options:

source