High Severity

Observed IOC: Malicious reply-to email addresses

Labels

BEC/Fraud
Credential Phishing
Malware/Ransomware
Impersonation: Email address
Social engineering
Header analysis
Sender analysis

Description

Detects inbound messages with reply-to headers containing known malicious email addresses. IOC list is automatically managed and hashed by the IOC pipeline from the private threat intelligence feed.

References

No references.

Sublime Security
Created Apr 27th, 2026 • Last updated Apr 27th, 2026
Feed Source
Sublime Core Feed
Source
GitHub
// AUTO-GENERATED IOC LIST - DO NOT EDIT MANUALLY
// Managed by automated IOC system
false // no active IOCs - rule is temporarily disabled
MQL Rule Console
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