using System.Runtime.Serialization.Formatters.Soap; namespace InsecureDeserialization { public class InsecureSoapFormatterDeserialization { public void SoapFormatterDeserialization(string json) { try { MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(json)); // ruleid: insecure-soapformatter-deserialization SoapFormatter soapFormatter = new SoapFormatter(); object obj = soapFormatter.Deserialize(ms); } catch (Exception e) { Console.WriteLine(e); } } } }