• Sublime Core Feed
Medium Severity

Attachment: SFX archive containing commands

Labels

Malware/Ransomware
Evasion
Scripting
File analysis

Description

Attachment is an SFX archive that contains commands that will execute when opened. This can be used to run malicious commands, and has been observed in the wild.

References

Sublime Security
Created Aug 17th, 2023 • Last updated Aug 21st, 2023
Feed Source
Sublime Core Feed
Source
GitHub
type.inbound
and any(attachments,
        .file_extension in~ ("exe", "sfx")
        and any(file.explode(.),
                any(.scan.strings.strings,
                    strings.ilike(., 'CMT;The comment below contains SFX script commands')
                )
                and any(.scan.strings.strings, strings.ilike(., 'Setup=*'))
        )
)
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