[Snort-sigs] Can Snort detect a download file from internet?

Antonio Leding tech at leding.net
Mon May 21 20:50:01 EDT 2018


Not sure if this helps or is relevant but I have always done this using full packet capture + Wireshark.  If there is a way to do this directly in Snort, I would be curious to hear…


> On May 21, 2018, at 5:48 PM, Hào Tài via Snort-sigs <snort-sigs at lists.snort.org> wrote:
> 
> Can everyone help me to confirm this point: " Can the Snort detect a file from the internet" ?
> If yes , how do we config the Snort the get the content file?
> 
> 
> On Sun, May 20, 2018 at 3:23 PM, Hào Tài <haotai1803 at gmail.com <mailto:haotai1803 at gmail.com>> wrote:
> Hello everyone,
> 
> I am a newbie about Snort. I try to write the snort rule to catch a download JPG file from internet. Here is my rule:
> 
> >> alert tcp any any <> $HOME_NET any (msg:"JPEG"; content:"|FF D8 FF E0|"; sid:1000001)
> 
> But it does not work. Do I missing somethings or do I need to config somethings for Snort?
> Can everybody help me to find out the problem? Thank you. 
> 
> Regards,
> Tai Ly
> 
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