alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (msg:"ET WEB_SERVER JSP.SJavaWebManage WebShell Pass 20-09-2018 2"; flow:established,to_client; file.data; content:"|3c 25 40|page"; startswith; content:"String|20|PASS|20|=|20 22|098f6bcd4621d373cade4e832627b4f6|22|"; distance:0; fast_pattern; reference:md5,91eaca79943c972cb2ca7ee0e462922c; classtype:trojan-activity; sid:2026338; rev:4; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2018_09_20, deployment Datacenter, malware_family SJavaWebManage, performance_impact Low, signature_severity Major, tag WebShell, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_14;)