HTTP: Obfuscated Unicoded JavaScript NOP Sled

This signature detects the presence of a sequence of NOP operators sent as an argument to the Unescape JavaScript function. Such a maliciously crafted Web page is often an indicator of an exploit attempt.

Short Name
HTTP:STC:SCRIPT:UNICODE-SLED
Severity
Major
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2010-1176 CVE-2011-0073 CVE-2014-4130 CVE-2015-0023 JavaScript NOP Obfuscated Sled Unicoded bid:47663
Release Date
04/13/2006
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3678
False Positive
Unknown
CVSS Score

9.3

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