alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Zberp receiving config via image file - SET";
flow:to_server,established;
flowbits:set,ET.Zberp;
flowbits:noalert;
http.uri;
content:".jpg"; endswith;
http.request_line;
content:".jpg HTTP/1."; fast_pattern;
http.header_names;
content:!"Referer";
reference:md5,1e1f44f8a403c4ebc6943eb2dcf731ff;
reference:url,securityintelligence.com/new-zberp-trojan-discovered-zeus-zbot-carberp/#.U5Xgpyh4l8u;
reference:url,blog.malwarebytes.org/security-threat/2014/02/hiding-in-plain-sight-a-story-about-a-sneaky-banking-trojan/;
classtype:trojan-activity;
sid:2021381; rev:11;
metadata:created_at 2015_07_06, performance_impact Significant, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_08;
)