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fact-depend
rules
Commits
b9eae1ee
Commit
b9eae1ee
authored
9 years ago
by
mmorenog
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Update PDF.yar
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Malicious_Documents/PDF.yar
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b9eae1ee
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@@ -383,12 +383,11 @@ rule invalid_xref_numbers : PDF
strings:
$magic = { 25 50 44 46 }
$reg0 = /xref\r?\n?.*\r?\n?.*65535\sf/
$reg1 = /endstream.*?\r?\n?endobj.*?\r?\n?startxref.*?\r?\n?/
$reg1 = /
.*?\r?\n?
endstream.*?\r?\n?endobj.*?\r?\n?startxref.*?\r?\n?/
condition:
$magic at 0 and not $reg0 and not $reg1
}
rule js_splitting : PDF
{
meta:
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