• Sublime Core Feed
Low Severity

Attachment: Uncommon compressed file

Labels

Malware/Ransomware
Credential Phishing
Archive analysis
File analysis

Description

Use if passing compressed or archive files is not typical behavior in your organization. This behavior has been observed in a number of phishing campaigns.

References

Sublime Security
Created Aug 17th, 2023 • Last updated Jan 12th, 2026
Feed Source
Sublime Core Feed
Source
GitHub
type.inbound
and any(attachments,
        .file_extension in ('tar', 'iso', 'img', 'cab', 'gadget', 'uue')
)
MQL Rule Console
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