alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY BitCoin User-Agent Likely Bitcoin Miner"; flow:established,to_server; http.user_agent; content:"BitCoin"; nocase; fast_pattern; reference:url,isc.sans.edu/diary.html?storyid=11059; classtype:coin-mining; sid:2013457; rev:6; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2011_08_24, deployment Perimeter, deployment Datacenter, confidence High, signature_severity Informational, tag Bitcoin_Miner, updated_at 2020_09_18;)