stegomedium

Morse Excel (Отчёт бухгалтера)

hackerlab

Task: Excel file with financial report containing suspicious cell formatting. Solution: Analyzed XLSX XML structure to find Morse code encoded via font styles (italic=dot, bold=dash, underline=word separator).

$ ls tags/ techniques/
steganographydocument_analysismorse_codexlsxexcelcell_formattingfont_stylesxml_analysis
XLSX structure analysis (ZIP with XML)Cell style/formatting analysisMorse code via font formatting (italic=dot, bold=dash)
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