""ET TROJAN Observed CloudAtlas APT Related Domain (checklicensekey .com in TLS SNI)""
SID: 2034282
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_10_28, deployment Perimeter, signature_severity Major, updated_at 2021_10_28
Reference:
-
md5
-
1060678d61ea5152283be60df2472b6f
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 13|checklicensekey.com"
Within: 8
PCRE:
Special Options:
- fast_pattern