alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (Windows Explorer)"; flow:established,to_server; http.user_agent; content:"Windows Explorer"; nocase; bsize:16; fast_pattern; reference:url,twitter.com/reecdeep/status/1541735626915069954; reference:md5,a750e7ca3c96e229159290610f050f44; classtype:trojan-activity; sid:2037137; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_28, deployment Perimeter, deprecation_reason Age, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_02, reviewed_at 2024_12_02;)