Add exploitarium archive

ghidra-12.1.2-rce-ace-calc-poc/pocs/SevenZipReachabilityProbe.java

@@ -0,0 +1,47 @@
+import java.io.RandomAccessFile;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+import net.sf.sevenzipjbinding.IInArchive;
+import net.sf.sevenzipjbinding.PropID;
+import net.sf.sevenzipjbinding.SevenZip;
+import net.sf.sevenzipjbinding.impl.RandomAccessFileInStream;
+
+public final class SevenZipReachabilityProbe {
+    private SevenZipReachabilityProbe() {
+    }
+
+    public static void main(String[] args) throws Exception {
+        Path zipPath = Files.createTempFile("ghidra-sevenzip-safe-", ".zip");
+        createHarmlessZip(zipPath);
+
+        System.out.println("Purpose: benign SevenZipJBinding runtime reachability check.");
+        System.out.println("Sample: " + zipPath);
+        System.out.println("No malicious archive bytes or command payload are present.");
+
+        SevenZip.initSevenZipFromPlatformJAR();
+        System.out.println("SevenZip version object: " + SevenZip.getSevenZipVersion());
+
+        try (RandomAccessFile file = new RandomAccessFile(zipPath.toFile(), "r");
+                IInArchive archive = SevenZip.openInArchive(null, new RandomAccessFileInStream(file))) {
+            System.out.println("Archive format: " + archive.getArchiveFormat());
+            System.out.println("Item count: " + archive.getNumberOfItems());
+            for (int i = 0; i < archive.getNumberOfItems(); i++) {
+                System.out.println("Item " + i + " path: " + archive.getProperty(i, PropID.PATH));
+            }
+        }
+    }
+
+    private static void createHarmlessZip(Path zipPath) throws Exception {
+        try (ZipOutputStream zip = new ZipOutputStream(Files.newOutputStream(zipPath))) {
+            ZipEntry entry = new ZipEntry("hello.txt");
+            zip.putNextEntry(entry);
+            zip.write("harmless sample for parser reachability checks\n".getBytes(StandardCharsets.UTF_8));
+            zip.closeEntry();
+        }
+    }
+}
+