""ET INFO Observed Remote Management Software Domain (syncromsp .com in TLS SNI)""

SID: 2036347

Revision: 2

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2022_04_25, deployment Perimeter, signature_severity Informational, updated_at 2022_04_25

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: "syncromsp.com"

Within: 1

PCRE: "/^(?:\x00\x0d|.\x2e)syncromsp.com/R"

Special Options:

source