Snort mailing list archives
Re: Win.Ransomware.Sage
From: Tyler Montier <tmontier () sourcefire com>
Date: Fri, 10 Feb 2017 10:23:06 -0500
Dear Yaser, Thanks for your submission. We will review and test the rule and get back to you when they're finished. Do you have any pcaps or hashes available? Sincerely Tyler Montier Cisco Talos On Fri, Feb 10, 2017 at 4:12 AM, Y M <snort () outlook com> wrote:
Hello, This one for Sage "2.0" ransomware performing its post-infection C&C. There are several samples circulating. I have seen references mentioning that Sage is a variant of CryLocker, but some of the samples generate the same UDP traffic observed from Cerber. The ransom notes also resembles that of Cerber. alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Ransomware.Sage variant outbound connection"; flow:to_server,established; urilen:1; content:"POST"; http_method; content:" / HTTP/1."; content:"Connection|3A 20|close|0D 0A|"; fast_pattern:only; http_header; content:"Content-Length|3A 20|"; http_raw_header; byte_test:3,>,160,0,string,dec,relative; byte_test:3,<,170,0,string,dec,relative; content:!"User-Agent"; http_header; content:!"Accept"; http_header; content:!"Referer"; http_header; metadata:ruleset community, service http; classtype:trojan-activity; sid:1000824; rev:1;) Thank you. YM ------------------------------------------------------------ ------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Snort-sigs mailing list Snort-sigs () lists sourceforge net https://lists.sourceforge.net/lists/listinfo/snort-sigs http://www.snort.org Please visit http://blog.snort.org for the latest news about Snort! Visit the Snort.org to subscribe to the official Snort ruleset, make sure to stay up to date to catch the most <a href=" https://snort.org/downloads/#rule-downloads">emerging threats</a>!
------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot
_______________________________________________ Snort-sigs mailing list Snort-sigs () lists sourceforge net https://lists.sourceforge.net/lists/listinfo/snort-sigs http://www.snort.org Please visit http://blog.snort.org for the latest news about Snort! Visit the Snort.org to subscribe to the official Snort ruleset, make sure to stay up to date to catch the most <a href=" https://snort.org/downloads/#rule-downloads">emerging threats</a>!
Current thread:
- Win.Ransomware.Sage Y M (Feb 10)
- Re: Win.Ransomware.Sage Tyler Montier (Feb 10)