added a check to make sure cobalt strike exists

before spawning a thread.

pentest_tool/src/box_controls.rs

@@ -181,6 +181,13 @@ pub fn clean_unused_boxes(projects: &Vec<Project>, boxtemplate: &String) -> Opti
 }
 
 pub fn launch_cobalt_strike(project: Project) -> Option<JoinHandle<()>>{
+    let mut check_path = PathBuf::new();
+    check_path.push(&project.files_folder);
+    check_path.push("cobaltstrike/client");
+    if check_path.as_path().exists() == false{
+        println!("looks like you don't have cobalt strike set up on this beacon... try copying your cobalt strike folder here!");
+        return None;
+    }
     let handle = thread::spawn(move ||{
         let mut cs_dir = PathBuf::new();
         cs_dir.push(project.files_folder);