Added "WebWolf" enabled to the lessons which support the usage of WebWolf

webgoat-container/src/main/resources/static/css/main.css

@@ -1066,6 +1066,7 @@ span.show-next-page, span.show-prev-page {
 
 /* ATTACK DISPLAY */
 .attack-container {
+  position: relative;
   background-color: #f1f1f1;
   border: 2px solid #a66;
   border-radius: 12px;
@@ -1150,4 +1151,16 @@ div.captured-flag {
     height: 117px;
     width: 1268px;
     margin-bottom: 20px;
+}
+
+#content {
+  position:relative;
+}
+
+.webwolf-enabled {
+  position:absolute;
+  top: 10px;
+  right: 25px;
+  width: 42px;
+  height: 47px;
 }

webgoat-lessons/webwolf-introduction/src/main/resources/html/WebWolfIntroduction.html

@@ -12,6 +12,7 @@
 <div class="lesson-page-wrapper">
     <div class="adoc-content" th:replace="doc:Receiving_mail.adoc"></div>
     <div class="attack-container">
+        <img th:src="@{/images/wolf-enabled.png}" class="webwolf-enabled"/>
         <div class="assignment-success"><i class="fa fa-2 fa-check hidden" aria-hidden="true"></i></div>
         <form class="attack-form" accept-charset="UNKNOWN"
               method="POST" name="form"
@@ -66,6 +67,7 @@
 <div class="lesson-page-wrapper">
     <div class="adoc-content" th:replace="doc:Landing_page.adoc"></div>
     <div class="attack-container">
+        <img th:src="@{/images/wolf-enabled.png}" class="webwolf-enabled"/>
         <div class="assignment-success"><i class="fa fa-2 fa-check hidden" aria-hidden="true"></i></div>
         <a href="/WebGoat/WebWolf/landing/password-reset" target="_blank">Click here to reset your password</a>
 

webgoat-lessons/webwolf-introduction/src/main/resources/lessonPlans/en/IntroductionWebWolf.adoc

@@ -1,7 +1,17 @@
 == Introducing WebWolf
 
-NOTE: You only need WebWolf if you a lesson specifies you can use it. For a lot of lessons you use WebGoat without
-starting WebWolf. If you need to do an exercise with WebWolf make sure it is running along side with WebGoat.
+You only need WebWolf if you a lesson specifies you can use it. For a lot of lessons you use WebGoat without
+starting WebWolf. If you need to do an exercise with WebWolf make sure it is running along side with WebGoat. Lessons
+where you can use WebWolf are marked with the following icon (top right in assignment):
+
+{nbsp}
+
+image::images/wolf-enabled.png[width=115,height=128]
+
+{nbsp}
+
+Even if the icon the present your are not obliged to use WebWolf, you can also use any intercepting tool you like, like
+`netcat` etc.
 
 WebWolf is a separate web application which simulates an attackers machine. It makes it possible for us to
 make a clear distinction between what takes place on the attacked website and the actions you need to do as

webgoat-lessons/xxe/src/main/resources/html/XXE.html

@@ -144,6 +144,7 @@
 <div class="lesson-page-wrapper">
     <div class="adoc-content" th:replace="doc:XXE_blind_assignment.adoc"></div>
     <div class="attack-container">
+        <img th:src="@{/images/wolf-enabled.png}" class="webwolf-enabled"/>
         <div class="assignment-success"><i class="fa fa-2 fa-check hidden" aria-hidden="true"></i></div>
         <form class="attack-form" accept-charset="UNKNOWN"
               method="POST" name="form"