Dear Ged/all,

Your information did the trick. I couldn't have solved this mystery without your genius link. To be fair I've presented all the information and data without looking to manual and i know the commands posted from the thin air that i was breathing.

Long story short, maybe this info is needed to other novice like me who don't RTFM.

safebrowsing.cvd is created by google and contains inside a .gbd file. As manual says ( btw, the correct link is: https://www.clamav.net/documents/phishsigs) it contains hashed URLs and not encrypted like i thought in the beginning. Just because is SHA256 you cannot "decode" the original data since there no original data inside. (it is just a fixed string produced and where the URL/data is used as seed) Having all of this said there is no way to use sigtool --decode-sigs to retrieve the original data(like you do for example in *.ndb)
In the link provided by me it is also written, i quote:
"To see which hash/URL matched, look at the clamscan --debug output, and look for the following strings: Looking up hash, prefix matched, and Hash matched. Local whitelisting of .gdb entries can be done by creating a local.gdb file, and adding a line S:W:<HASH>."

But to be fair, who is actually using clamscan or clamdscan with --debug activated on production ?



---
humbled and grateful for your great link,
Iulian



On 2020-08-31 12:35, G.W. Haywood via clamav-users wrote:
Hi there,

On Mon, 31 Aug 2020, iulian stan via clamav-users wrote:

I am missing something ?

http://www.clamav.net/documents/clam-antivirus-user-manual

--

73,
Ged.

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