Low Severity

Attachment: ZIP filename mismatch

Description

Detects inbound messages with ZIP attachments that exhibit a mismatch between the filename stored in the local file header and the filename in the central directory.

References

No references.

Sublime Security
Created Aug 31st, 2026 • Last updated Aug 31st, 2026
Source
type.inbound
and any(filter(attachments, .file_type == "zip"),
        any(file.explode(.),
            any(.scan.yara.matches, .name == "zip_pklfh_cd_fname_mismatch")
        )
)
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