Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE LockPOS CnC"; flow:to_server,established; http.method; content:"POST"; http.user_agent; content:"lock"; fast_pattern; endswith; http.request_body; content:"|00 00 00|"; offset:1; depth:3; reference:md5,0ad35a566cfb60959576835ede75983b; reference:url,www.arbornetworks.com/blog/asert/lockpos-joins-flock/; classtype:command-and-control; sid:2024461; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_07_12, deployment Perimeter, malware_family PoS, confidence High, signature_severity Major, tag POS, tag LockPOS, updated_at 2020_09_14;)