HTTP: Not PNG

The anomaly triggers if the content date is not compliant with the PNG specification. If the Content-Type field is set to "image/png", the first eight bytes of a PNG data stream always contain the following (hexadecimal) values: 89 50 4e 47 0d 0a 1a oa. Triggering this incident can indicate malicious behavior aimed at your system.

Short Name
HTTP:STC:IMG:NOT-PNG
Severity
Info
Recommended
False
Recommended Action
None
Category
HTTP
Keywords
NOT PNG
Release Date
11/07/2005
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
3324
False Positive
Unknown

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