""ET TROJAN Observed Buer Loader CnC Domain (kkjjhhdff .site in TLS SNI)""
SID: 2029729
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2020_03_23, deployment Perimeter, malware_family BuerLoader, performance_impact Low, signature_severity Major, updated_at 2020_03_23
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 0e|kkjjhhdff.site"
Within: 8
PCRE:
Special Options:
- fast_pattern