alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/WarHawk Activity (filemgr)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"|7b 20 22|_hwid|22 3a 20 22 7b|"; startswith; content:"|22 2c 20 22|_filemgr|22 3a 20 22|"; distance:0; fast_pattern; http.header_names; content:!"Referer"; reference:md5,5cff6896e0505e8d6d98bff35d10c43a; reference:url,www.zscaler.com/blogs/security-research/warhawk-new-backdoor-arsenal-sidewinder-apt-group-0; classtype:command-and-control; sid:2039541; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_10_19, deployment Perimeter, malware_family Win32_WarHawk, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_25, former_sid 2852639;)