""ET INFO Observed TA453 Related URL Shortening Service TLS SNI (litby .us)""

SID: 2035284

Revision: 2

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2022_02_24, deployment Perimeter, malware_family TA453, signature_severity Informational, updated_at 2022_02_24

Reference:

• Link

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 08|litby.us"

Within: 8

PCRE:

Special Options:

• fast_pattern

source