""ET INFO Observed URL Shortening Service Domain (vtaurl .com in TLS SNI)""
SID: 2035563
Revision: 3
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2022_03_23, deployment Perimeter, signature_severity Major, updated_at 2023_04_28
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 0a|vtaurl.com"
Within: 8
PCRE:
Special Options:
- fast_pattern