""ET CURRENT_EVENTS Observed Malicious SSL/TLS Certificate (PayPal Phish Landing)""
SID: 2037249
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_07_01, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2022_07_01, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: 443
Destination Network: $HOME_NET
Destination Port: any
Flow: from_server,established
Contents:
-
Value: "|16|"
-
Value: "|0b|"
-
Value: "|06 03 55 04 03|"
-
Value: "|1f|verify-paypal.authorizeddns.net"
Within: 32
PCRE:
Special Options:
- fast_pattern