不解壓壓縮檔案，獲取其中包含的檔案，通過檔名檢查是否包含非法檔案。（後續再根據檔案頭或內容吧）

import java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.zip.*;

public class DoCheck {

    private final static String[] illegalString = { "README", "LOG", "PFX", "TXT", "DOC", "DOCX", "XLS", "XLSX", "PPT",
            
 
"PPTX", "ZIP", "GZ", "RAR", "TAR", "7Z", "PDF" };

    public static void main(String[] args) {

        if (args.length <= 0) {
            System.out.println("請指定要檢查的壓縮檔案。The file name must be given.");
            return;
        }
        String fileName = args[0];
        if (commonCheck(fileName)) {
            
 
return;
        }
        readFile(fileName);

    }

    private static void readFile(String fileName) {
        try {
            ZipFile zf = new ZipFile(fileName);
            HashSet<ZipEntry> set = new HashSet();
            int fileCount = 0;
            int dirCount = 0;
            for (Enumeration<ZipEntry> entries = (Enumeration<ZipEntry>) zf.entries(); entries.hasMoreElements();) {
                ZipEntry ze 
 
= entries.nextElement();
                if (ze.isDirectory()) {
                    dirCount++;
                } else {
                    fileCount++;
                    String name = ze.getName();
                    for (String s : illegalString) {
                        if (name.toUpperCase().contains(s)) {
                            set.add(ze);
                            break;
                        }
                    }
                }

            }
            System.out.println("共掃描" + fileCount + "個檔案，" + dirCount + "個目錄。The package contains " + fileCount
                    + " files and " + dirCount + " directories.\n");
            if (set.size() <= 0) {
                System.out.println("PASS: 未發現可疑檔案。ILLEGAL FILE NOT FOUND.");
            } else {
                System.out.println("可能非法的檔案如下。illegal files: \n");
                int index = 1;
                System.out.format("    %-10s%-80s%-20s %n%n", "NO.", "FileName", "Bytes");
                for (ZipEntry e : set) {
                    System.out.format("    %-10s%-80s%-20s %n%n", index, e.getName(),e.getSize());
                    index++;
                }
            }
            zf.close();
        } catch (ZipException e) {
            System.out.println("WARNING: 不受支援的壓縮格式。The file format is invalid.");
        } catch (IOException e) {
            System.out.println("WARNING: IO 異常。IOException occured.");
        } catch (SecurityException e) {
            System.out.println("WARNING: 沒有訪問許可權。The file is not accessible.");
        } catch (NullPointerException e) {
            System.out.println("WARNING: NullPointerException.可能是由於ZipEntry沒有建立時間導致。");
        }
    }

    private static boolean commonCheck(String fileName) {
        File f = new File(fileName);
        if (!f.exists()) {
            System.out.println("INFO: 檔案'" + fileName + "'不存在。The file is not exist.");
            return true;
        }
        if (!f.canRead()) {
            System.out.println("INFO: 檔案'" + fileName + "'不可讀。The file can't be read.");
            return true;
        }
        if(f.isDirectory()) {
            System.out.println("INFO: '" + fileName + "'是路徑。The package must be a TAR or WAR.");
            return true;
        }
        return false;
    }

}