Andr.Trojan.Femas (ViperRAT)

[Y M <snort () outlook com>]

Hello,


The below signature was derived from the articles from the reference. No pcaps available.


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Andr.Trojan.Femas outbound connection"; 
flow:to_client,established; content:"POST"; http_method; content:"did="; http_client_body; content:"&method="; 
fast_pattern:only; content:".php"; http_uri; content:"|3B| Android "; http_header; content:"Accept-Encoding|3A 
20|gzip|0D 0A|"; http_header; content:!"Accept|3A 20|"; http_header; metadata:ruleset community, service http; 
reference:url,securelist.com/blog/incidents/77562/breaking-the-weakest-link-of-the-strongest-chain/; 
reference:url,blog.lookout.com/blog/2017/02/16/viperrat-mobile-apt/; classtype:trojan-activity; sid:1000847; 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>!