""ET CURRENT_EVENTS Observed ResumeLooter Domain (sb8 .co in TLS SNI)""

SID: 2050766

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2024_02_07, deployment Perimeter, malware_family ResumeLooter, confidence High, signature_severity Major, updated_at 2024_02_07

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: "sb8.co"

Within: 1

PCRE: "/^(?:\x00\x06|.\x2e)sb8.co/R"

Special Options:

source