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As with all custom signatures on this forum, this signature is being provided by the author as a result of enthusiasm for the product and to share ideas with the Palo Alto Networks security community.
- Not recommended for deployment in a production network of any kind without internal testing.
- Not a solution to any vulnerability.
- Not an official supported Palo Alto Networks signature
This write up is to help the Palo Alto Networks community with detecting a specific linux ELF sample in this example.
The sample signature was created on PAN OS Version 7.0.x :
Fill out the appropriate field under the configuration tab
Choose the standard option from the radio button and click on add to create a signature
Since we only have one condition it doesn’t matter if we choose the ‘and’/’or’ condition
Within the ELF file we are looking for a particular pattern on hex values. Make sure to choose the context type as: file-elf-body
Below is a threat log that is being triggered on this signature
Sample xml signature attached to this document.
What is the significance of the Hash?
Is there any relationship between the hash and the hex string you are testing for?
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