[Geany-Users] geany-1.34_setup.exe security analysis
enrico.troeger at xxxxx
Mon Dec 17 14:20:00 UTC 2018
I don't think your conclusion is correct:
in my opinion it is not yet proven that the installer actually connects
to the internet yet it is possible (I could not reproduce it on my
system but this does not necessarily mean it does not happen).
And if it connects to the internet, then it is not safe because it
should not do it.
But yes, Geany does not connect to the internet except for the
UpdateChecker plugin which does this by design by connecting to
geany.org to check for the latest version. It does this only if it is
the network traffic I monitored with "tcpdump" on the router and for
searching the IP I used "grep" from the MSYS2 distribution. "grep" is
also available as a normal Windows binary for download and you probably
can also use the native Windows search.
On 12/17/18 2:09 PM, dany111 at email.it wrote:
> Thanks for the answer.
> So, the installer connects to internet, not Geany itself, right?
> In conclusion, the installer is safe, isn't it?
> PS:Could I ask you which tools you use to monitor network activity and to grep whole Windows system?
> ----- Original Message -----
> On 12/16/18 11:29 PM, Enrico Tröger wrote:
>> On 12/16/18 10:37 PM, dany111 at email.it wrote:
>>> I don't want to sound paranoid but I've just scanned geany binaries with Hybrid Anlisys.
>>> I've got these results: https://www.hybrid-analysis.com/sample/109748fc6e6276462258ee104996fe29c9d826b4ea507857e7a2411b1614bd7d/5c1698807ca3e12dc155b5ad
>>> In particular, could you explain me why the installer connects to the Swiss IP Address 18.104.22.168?
>> I have not yet an explanation but am not panicly.
>> The IP belongs to Akamai which is not per se anything bad but just a
>> CDN. I'll try to get some more details.
> I tested with my Windows system and the only network activity I saw was
> a request to www.msftncsi.com/ncsi.txt which is Microsoft's network
> connectivity check
> While www.msftncsi.com actually resolves to an IP address of the Akamai
> CDN IP range, it might be just accidental.
> I would assume that Hybrid Analysis is smart enough to filter out
> Windows' own connectivity check from the tests.
> Furthermore, I grepped my whole Windows system used for the release
> binaries for that IP address - without any matches.
> If you are interested enough, it might help to contact Hybrid Analysis
> for support and/or debug the installer yourself to get more information
> than I gathered.
> It might help to get some insights about how Geany for Windows is built.
> The used software and build instructions are documented in the wiki at
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