alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Xwo CnC Activity"; flow:established,to_server; http.method; content:"POST"; http.header; content:"Accept-Charset|3a 20|ISO-8859-1"; http.request_body; content:"wanip="; depth:6; fast_pattern; content:"&username="; distance:0; content:"&password="; distance:0; content:"&lanip="; distance:0; content:"&port="; distance:0; reference:url,www.alienvault.com/blogs/labs-research/xwo-a-python-based-bot-scanner; reference:md5,fd67a98599b08832cf8570a641712301; classtype:command-and-control; sid:2027144; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_04_02, deployment Perimeter, confidence High, signature_severity Major, tag Xwo, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_30;)