""ET TROJAN Possible Winnti TLS Certificate Observed""
SID: 2029343
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_31, deployment Perimeter, malware_family Winnti, signature_severity Major, updated_at 2020_01_31
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: 443
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "|55 04 03|"
-
Value: "|09|dnslookup|08|services"
Within: 30
PCRE:
Special Options:
- fast_pattern