alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE RevProxy - ClickFraud - MIDUIDEND"; flow:established,to_server; dsize:46; content:"MID"; depth:3; content:"UID"; distance:32; within:3; content:"END"; distance:5; within:3; classtype:trojan-activity; sid:2016293; rev:2; metadata:created_at 2013_01_26, signature_severity Major, updated_at 2019_07_26;)