alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET ADWARE_PUP MultiPlug.J Checkin";
flow:established,to_server;
urilen:>103;
http.method;
content:"GET";
http.uri;
content:"/?q="; fast_pattern; depth:4;
pcre:"/^\/(?:[A-Za-z]+\d?\/)?\?q=(?=[a-z0-9+/]*[A-Z])(?=[A-Z0-9+/]*[a-z])(?=[A-Za-z0-9+/\x25]*\d)[A-Za-z0-9+/\x25]{100}/";
http.uri.raw;
content:"+";
http.host;
content:!"map24.com";
content:!"aptrk.com";
http.header_names;
content:"|0d 0a|Accept|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|";
content:!"Referer|0d 0a|";
content:!"Accept-";
reference:md5,6b95ddc5238cc0576db7b206af13339e;
classtype:pup-activity;
sid:2023707; rev:4;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_01_09, deployment Perimeter, malware_family PUA, performance_impact Low, confidence High, signature_severity Minor, updated_at 2020_08_31;
)