Improve check

Author: wchen-r7

modules/exploits/windows/http/hp_sys_mgmt_exec.rb

@@ -72,7 +72,10 @@ def check
 			return Exploit::CheckCode::Unknown
 		end
 
-		return Exploit::CheckCode::Vulnerable if res.body =~ /#{sig}/
+		if res.body =~ /SNMP data engine output/ and res.body =~ /#{sig}/
+			return Exploit::CheckCode::Vulnerable
+		end
+
 		Exploit::CheckCode::Safe
 	end