alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/Neshta.A Posting Data";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php";
http.request_body;
content:"name=|22|file|22 3b 20|filename=|22|Browser"; fast_pattern;
http.content_type;
content:"multipart/form-data|3b 20|boundary="; startswith;
http.header_names;
content:!"Referer|0d 0a|";
content:!"User-Agent|0d 0a|";
content:!"Accept|0d 0a|"; nocase;
reference:md5,e93e5af213707ef1888784fa1e709004;
classtype:trojan-activity;
sid:2021923; rev:4;
metadata:created_at 2015_10_07, malware_family Win32_Neshta_A, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_02;
)