Yaser,

Thanks for your submission. We will review the rules and get back to you when they're finished. 

Regards,
Phil Lee
Cisco Talos

On Apr 27, 2018, at 10:25 AM, Y M via Snort-sigs <snort-sigs@lists.snort.org> wrote:

Hi,

These are pretty weak signatures, there is little information to go by. No pcaps available.

# Title: New Orangeworm attack group targets the healthcare sector in the U.S., Europe, and Asia
# Reference: https://www.symantec.com/blogs/threat-intelligence/orangeworm-targets-healthcare-us-europe-asia, https://content.connect.symantec.com/sites/default/files/2018-04/Orangeworm%20IOCs.pdf

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Trojan.Kwampirs outbound connection attempt"; flow:to_server,established; content:"?q=kt"; fast_pattern:only; http_uri; pcre:"/\.(php|asp)\x3fq\x3dkt.*\x3d\x3d/U"; metadata:ruleset community, service http; reference:url,www.symantec.com/blogs/threat-intelligence/orangeworm-targets-healthcare-us-europe-asia; reference:url,content.connect.symantec.com/sites/default/files/2018-04/Orangeworm%20IOCs.pdf; classtype:trojan-activity; sid:8000020; rev:1;)
alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Trojan.Kwampirs outbound connection attempt"; flow:to_server,established; content:"?q=KT"; fast_pattern:only; http_uri; pcre:"/\.(php|asp)\x3fq\x3dKT.*\x3d\x3d/U"; metadata:ruleset community, service http; reference:url,www.symantec.com/blogs/threat-intelligence/orangeworm-targets-healthcare-us-europe-asia; reference:url,content.connect.symantec.com/sites/default/files/2018-04/Orangeworm%20IOCs.pdf; classtype:trojan-activity; sid:8000021; rev:1;)

Thanks.
YM
_______________________________________________
Snort-sigs mailing list
Snort-sigs@lists.snort.org
https://lists.snort.org/mailman/listinfo/snort-sigs

Please visit http://blog.snort.org for the latest news about Snort!

Please follow these rules: https://snort.org/faq/what-is-the-mailing-list-etiquette

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>!