HTTP: Javascript Hex Escaped Characters in Function Call
This signature detects the usage of hex escaped characters mixed with ASCII values in setTimeout() and addEventListener() functions rendered in a HTML page. This can be an indication of malicious activity being carried out by an attacker via obfuscated HTML content.
Short Name
SHELLCODE:JS:HEX-ESCAPE
Severity
Major
Recommended
False
Recommended Action
Drop
Category
SHELLCODE
Keywords
Call Characters Escaped Function Hex Javascript in
Release Date
08/29/2012
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