[Snort-sigs] Win.Trojan.Kwampirs

Y M snort at outlook.com
Fri Apr 27 10:25:05 EDT 2018


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
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