""ET TROJAN [Mandiant] UNC4841 SEASPY Backdoor Activity M2""
SID: 2046274
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Barracuda_ESG, attack_target SMTP_Server, created_at 2023_06_15, deployment Perimeter, deployment Internal, malware_family SEASPY, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_06_21, reviewed_at 2023_08_21
Reference:
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: $SMTP_SERVERS
Destination Port: [25,587]
Flow: stateless
Contents:
- Value: "TfuZ" Depth: 4
Within:
PCRE:
Special Options: