""ET TROJAN Observed CobaltStrike CnC Domain in TLS SNI""
SID: 2030459
Revision: 2
Class Type: trojan-activity
Metadata: created_at 2020_07_03, deployment Perimeter, malware_family Cobalt_Strike, performance_impact Low, signature_severity Major, updated_at 2020_07_03
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 443
Flow: established,to_server
Contents:
- Value: "|00 00 0d|advertstv.com|00|"
Within:
PCRE:
Special Options:
- fast_pattern