Description

Recursively scans files and archives to detect HTML smuggling techniques.

Sublime Security
Created Aug 17th, 2023 • Last updated Aug 21st, 2023
Source
type.inbound
and any(attachments,
        (
          .file_extension in~ ("html", "htm", "shtml", "dhtml")
          or .file_extension in~ $file_extensions_common_archives
          or .file_type == "html"
        )
        and any(file.explode(.),
                any(.scan.strings.strings,
                    // arrayBuffer, eg repetition:
                    // [0xa0,0x8e,0xd0,0x60,...]
                    regex.icontains(., '(\W?0x[a-zA-Z0-9]{2}\W?,\s*){100}')
                )
                and any(.scan.strings.strings, strings.contains(., ".map"))
        )
)
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