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script.js
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script.js
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/**
* Initializes 'addresses' dictionary and NativeFunctions.
*/
"use strict";
rpc.exports = {
setssllib: function (name) {
console.log("setSSLLib => " + name);
libname = name;
initializeGlobals();
return;
}
};
var addresses = {};
var SSL_get_fd = null;
var SSL_get_session = null;
var SSL_SESSION_get_id = null;
var getpeername = null;
var getsockname = null;
var ntohs = null;
var ntohl = null;
var SSLstackwrite = null;
var SSLstackread = null;
var libname = "*libssl*";
function uuid(len, radix) {
var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
var uuid = [], i;
radix = radix || chars.length;
if (len) {
// Compact form
for (i = 0; i < len; i++) uuid[i] = chars[0 | Math.random() * radix];
} else {
// rfc4122, version 4 form
var r;
// rfc4122 requires these characters
uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
uuid[14] = '4';
// Fill in random data. At i==19 set the high bits of clock sequence as
// per rfc4122, sec. 4.1.5
for (i = 0; i < 36; i++) {
if (!uuid[i]) {
r = 0 | Math.random() * 16;
uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
}
}
}
return uuid.join('');
}
function return_zero(args) {
return 0;
}
function initializeGlobals() {
var resolver = new ApiResolver("module");
var exps = [
[Process.platform == "darwin" ? "*libboringssl*" : "*libssl*", ["SSL_read", "SSL_write", "SSL_get_fd", "SSL_get_session", "SSL_SESSION_get_id"]], // for ios and Android
[Process.platform == "darwin" ? "*libsystem*" : "*libc*", ["getpeername", "getsockname", "ntohs", "ntohl"]]
];
// console.log(exps)
for (var i = 0; i < exps.length; i++) {
var lib = exps[i][0];
var names = exps[i][1];
for (var j = 0; j < names.length; j++) {
var name = names[j];
// console.log("exports:" + lib + "!" + name)
var matches = resolver.enumerateMatchesSync("exports:" + lib + "!" + name);
if (matches.length == 0) {
if (name == "SSL_get_fd") {
addresses["SSL_get_fd"] = 0;
continue;
}
throw "Could not find " + lib + "!" + name;
}
else if (matches.length != 1) {
// Sometimes Frida returns duplicates.
var address = 0;
var s = "";
var duplicates_only = true;
for (var k = 0; k < matches.length; k++) {
if (s.length != 0) {
s += ", ";
}
s += matches[k].name + "@" + matches[k].address;
if (address == 0) {
address = matches[k].address;
}
else if (!address.equals(matches[k].address)) {
duplicates_only = false;
}
}
if (!duplicates_only) {
throw "More than one match found for " + lib + "!" + name + ": " + s;
}
}
addresses[name] = matches[0].address;
}
}
if (addresses["SSL_get_fd"] == 0) {
SSL_get_fd = return_zero;
} else {
SSL_get_fd = new NativeFunction(addresses["SSL_get_fd"], "int", ["pointer"]);
}
SSL_get_session = new NativeFunction(addresses["SSL_get_session"], "pointer", ["pointer"]);
SSL_SESSION_get_id = new NativeFunction(addresses["SSL_SESSION_get_id"], "pointer", ["pointer", "pointer"]);
getpeername = new NativeFunction(addresses["getpeername"], "int", ["int", "pointer", "pointer"]);
getsockname = new NativeFunction(addresses["getsockname"], "int", ["int", "pointer", "pointer"]);
ntohs = new NativeFunction(addresses["ntohs"], "uint16", ["uint16"]);
ntohl = new NativeFunction(addresses["ntohl"], "uint32", ["uint32"]);
}
initializeGlobals();
function ipToNumber(ip) {
var num = 0;
if (ip == "") {
return num;
}
var aNum = ip.split(".");
if (aNum.length != 4) {
return num;
}
num += parseInt(aNum[0]) << 0;
num += parseInt(aNum[1]) << 8;
num += parseInt(aNum[2]) << 16;
num += parseInt(aNum[3]) << 24;
num = num >>> 0;//这个很关键,不然可能会出现负数的情况
return num;
}
/**
* Returns a dictionary of a sockfd's "src_addr", "src_port", "dst_addr", and
* "dst_port".
* @param {int} sockfd The file descriptor of the socket to inspect.
* @param {boolean} isRead If true, the context is an SSL_read call. If
* false, the context is an SSL_write call.
* @return {dict} Dictionary of sockfd's "src_addr", "src_port", "dst_addr",
* and "dst_port".
*/
function getPortsAndAddresses(sockfd, isRead) {
var message = {};
var src_dst = ["src", "dst"];
for (var i = 0; i < src_dst.length; i++) {
if ((src_dst[i] == "src") ^ isRead) {
var sockAddr = Socket.localAddress(sockfd)
}
else {
var sockAddr = Socket.peerAddress(sockfd)
}
if (sockAddr == null) {
// 网络超时or其他原因可能导致socket被关闭
message[src_dst[i] + "_port"] = 0
message[src_dst[i] + "_addr"] = 0
} else {
message[src_dst[i] + "_port"] = (sockAddr.port & 0xFFFF)
message[src_dst[i] + "_addr"] = ntohl(ipToNumber(sockAddr.ip.split(":").pop()))
}
}
return message;
}
/**
* Get the session_id of SSL object and return it as a hex string.
* @param {!NativePointer} ssl A pointer to an SSL object.
* @return {dict} A string representing the session_id of the SSL object's
* SSL_SESSION. For example,
* "59FD71B7B90202F359D89E66AE4E61247954E28431F6C6AC46625D472FF76336".
*/
function getSslSessionId(ssl) {
var session = SSL_get_session(ssl);
if (session == 0) {
return 0;
}
var len = Memory.alloc(4);
var p = SSL_SESSION_get_id(session, len);
len = Memory.readU32(len);
var session_id = "";
for (var i = 0; i < len; i++) {
// Read a byte, convert it to a hex string (0xAB ==> "AB"), and append
// it to session_id.
session_id +=
("0" + Memory.readU8(p.add(i)).toString(16).toUpperCase()).substr(-2);
}
return session_id;
}
Interceptor.attach(addresses["SSL_read"],
{
onEnter: function (args) {
var message = getPortsAndAddresses(SSL_get_fd(args[0]), true);
message["ssl_session_id"] = getSslSessionId(args[0]);
message["function"] = "SSL_read";
message["stack"] = SSLstackread;
this.message = message;
this.buf = args[1];
},
onLeave: function (retval) {
retval |= 0; // Cast retval to 32-bit integer.
if (retval <= 0) {
return;
}
send(this.message, Memory.readByteArray(this.buf, retval));
}
});
Interceptor.attach(addresses["SSL_write"],
{
onEnter: function (args) {
var message = getPortsAndAddresses(SSL_get_fd(args[0]), false);
message["ssl_session_id"] = getSslSessionId(args[0]);
message["function"] = "SSL_write";
message["stack"] = SSLstackwrite;
send(message, Memory.readByteArray(args[1], parseInt(args[2])));
},
onLeave: function (retval) {
}
});
if (Java.available) {
Java.perform(function () {
function storeP12(pri, p7, p12Path, p12Password) {
var X509Certificate = Java.use("java.security.cert.X509Certificate")
var p7X509 = Java.cast(p7, X509Certificate);
var chain = Java.array("java.security.cert.X509Certificate", [p7X509])
var ks = Java.use("java.security.KeyStore").getInstance("PKCS12", "BC");
ks.load(null, null);
ks.setKeyEntry("client", pri, Java.use('java.lang.String').$new(p12Password).toCharArray(), chain);
try {
var out = Java.use("java.io.FileOutputStream").$new(p12Path);
ks.store(out, Java.use('java.lang.String').$new(p12Password).toCharArray())
} catch (exp) {
console.log(exp)
}
}
//在服务器校验客户端的情形下,帮助dump客户端证书,并保存为p12的格式,证书密码为r0ysue
Java.use("java.security.KeyStore$PrivateKeyEntry").getPrivateKey.implementation = function () {
var result = this.getPrivateKey()
var packageName = Java.use("android.app.ActivityThread").currentApplication().getApplicationContext().getPackageName();
storeP12(this.getPrivateKey(), this.getCertificate(), '/sdcard/Download/' + packageName + uuid(10, 16) + '.p12', 'r0ysue');
var message = {};
message["function"] = "dumpClinetCertificate=>" + '/sdcard/Download/' + packageName + uuid(10, 16) + '.p12' + ' pwd: r0ysue';
message["stack"] = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Throwable").$new());
var data = Memory.alloc(1);
send(message, Memory.readByteArray(data, 1))
return result;
}
Java.use("java.security.KeyStore$PrivateKeyEntry").getCertificateChain.implementation = function () {
var result = this.getCertificateChain()
var packageName = Java.use("android.app.ActivityThread").currentApplication().getApplicationContext().getPackageName();
storeP12(this.getPrivateKey(), this.getCertificate(), '/sdcard/Download/' + packageName + uuid(10, 16) + '.p12', 'r0ysue');
var message = {};
message["function"] = "dumpClinetCertificate=>" + '/sdcard/Download/' + packageName + uuid(10, 16) + '.p12' + ' pwd: r0ysue';
message["stack"] = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Throwable").$new());
var data = Memory.alloc(1);
send(message, Memory.readByteArray(data, 1))
return result;
}
//SSLpinning helper 帮助定位证书绑定的关键代码
Java.use("java.io.File").$init.overload('java.io.File', 'java.lang.String').implementation = function (file, cert) {
var result = this.$init(file, cert)
var stack = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Throwable").$new());
if (file.getPath().indexOf("cacert") >= 0 && stack.indexOf("X509TrustManagerExtensions.checkServerTrusted") >= 0) {
var message = {};
message["function"] = "SSLpinning position locator => " + file.getPath() + " " + cert;
message["stack"] = stack;
var data = Memory.alloc(1);
send(message, Memory.readByteArray(data, 1))
}
return result;
}
Java.use("java.net.SocketOutputStream").socketWrite0.overload('java.io.FileDescriptor', '[B', 'int', 'int').implementation = function (fd, bytearry, offset, byteCount) {
var result = this.socketWrite0(fd, bytearry, offset, byteCount);
var message = {};
message["function"] = "HTTP_send";
message["ssl_session_id"] = "";
message["src_addr"] = ntohl(ipToNumber((this.socket.value.getLocalAddress().toString().split(":")[0]).split("/").pop()));
message["src_port"] = parseInt(this.socket.value.getLocalPort().toString());
message["dst_addr"] = ntohl(ipToNumber((this.socket.value.getRemoteSocketAddress().toString().split(":")[0]).split("/").pop()));
message["dst_port"] = parseInt(this.socket.value.getRemoteSocketAddress().toString().split(":").pop());
message["stack"] = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Throwable").$new()).toString();
var ptr = Memory.alloc(byteCount);
for (var i = 0; i < byteCount; ++i)
Memory.writeS8(ptr.add(i), bytearry[offset + i]);
send(message, Memory.readByteArray(ptr, byteCount))
return result;
}
Java.use("java.net.SocketInputStream").socketRead0.overload('java.io.FileDescriptor', '[B', 'int', 'int', 'int').implementation = function (fd, bytearry, offset, byteCount, timeout) {
var result = this.socketRead0(fd, bytearry, offset, byteCount, timeout);
var message = {};
message["function"] = "HTTP_recv";
message["ssl_session_id"] = "";
message["src_addr"] = ntohl(ipToNumber((this.socket.value.getRemoteSocketAddress().toString().split(":")[0]).split("/").pop()));
message["src_port"] = parseInt(this.socket.value.getRemoteSocketAddress().toString().split(":").pop());
message["dst_addr"] = ntohl(ipToNumber((this.socket.value.getLocalAddress().toString().split(":")[0]).split("/").pop()));
message["dst_port"] = parseInt(this.socket.value.getLocalPort());
message["stack"] = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Throwable").$new()).toString();
if (result > 0) {
var ptr = Memory.alloc(result);
for (var i = 0; i < result; ++i)
Memory.writeS8(ptr.add(i), bytearry[offset + i]);
send(message, Memory.readByteArray(ptr, result))
}
return result;
}
if (parseFloat(Java.androidVersion) > 8) {
Java.use("com.android.org.conscrypt.ConscryptFileDescriptorSocket$SSLOutputStream").write.overload('[B', 'int', 'int').implementation = function (bytearry, int1, int2) {
var result = this.write(bytearry, int1, int2);
SSLstackwrite = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Throwable").$new()).toString();
return result;
}
Java.use("com.android.org.conscrypt.ConscryptFileDescriptorSocket$SSLInputStream").read.overload('[B', 'int', 'int').implementation = function (bytearry, int1, int2) {
var result = this.read(bytearry, int1, int2);
SSLstackread = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Throwable").$new()).toString();
return result;
}
}
else {
Java.use("com.android.org.conscrypt.OpenSSLSocketImpl$SSLOutputStream").write.overload('[B', 'int', 'int').implementation = function (bytearry, int1, int2) {
var result = this.write(bytearry, int1, int2);
SSLstackwrite = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Throwable").$new()).toString();
return result;
}
Java.use("com.android.org.conscrypt.OpenSSLSocketImpl$SSLInputStream").read.overload('[B', 'int', 'int').implementation = function (bytearry, int1, int2) {
var result = this.read(bytearry, int1, int2);
SSLstackread = Java.use("android.util.Log").getStackTraceString(Java.use("java.lang.Throwable").$new()).toString();
return result;
}
}
}
)
}