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|
| import volatility.plugins.taskmods as taskmods |
| import volatility.win32.tasks as tasks |
| import volatility.utils as utils |
| import volatility.debug as debug |
| import volatility.plugins.malware.malfind as malfind |
| from struct import unpack, unpack_from |
| from socket import inet_ntoa |
| from collections import OrderedDict |
|
|
| try: |
| import yara |
| has_yara = True |
| except ImportError: |
| has_yara = False |
|
|
| plugx_sig = { |
| 'namespace1' : 'rule plugx { \ |
| strings: \ |
| $v1 = { 47 55 4c 50 00 00 00 00 } \ |
| $v2a = { 68 40 25 00 00 } \ |
| $v2c = { 68 58 2D 00 00 } \ |
| $v2b = { 68 a0 02 00 00 } \ |
| $v2d = { 68 a4 36 00 00 } \ |
| $v2e = { 8D 46 10 68 } \ |
| $v2f = { 68 24 0D 00 00 } \ |
| $v2g = { 68 a0 02 00 00 } \ |
| $v2h = { 68 e4 0a 00 00 } \ |
| $enc1 = { C1 E? 03 C1 E? 07 2B ?? } \ |
| $enc2 = { 32 5? ?? 81 E? ?? ?? 00 00 2A 5? ?? 89 ?? ?? 32 ?? 2A ?? 32 5? ?? 2A 5? ?? 32 } \ |
| $enc3 = { B? 33 33 33 33} \ |
| $enc4 = { B? 44 44 44 44} \ |
| condition: $v1 at 0 or ($v2a and $v2b and $enc1) or ($v2c and $v2b and $enc1) or ($v2d and $v2b and $enc2) or ($v2d and $v2e and $enc2) or ($v2f and $v2g and $enc3 and $enc4) or ($v2h and $v2g and $enc3 and $enc4)}' |
| } |
|
|
| FLAG_ENABLE = 0xFFFFFFFF |
|
|
| HKEY_CLASSES_ROOT = 0x80000000 |
| HKEY_CURRENT_USER = 0x80000001 |
| HKEY_LOCAL_MACHINE = 0x80000002 |
|
|
|
|
| class plugxConfig(taskmods.DllList): |
| """Parse the PlugX configuration""" |
|
|
| @staticmethod |
| def is_valid_profile(profile): |
| return (profile.metadata.get('os', 'unknown') == 'windows'), profile.metadata.get('memory_model', '32bit') |
|
|
| def get_vad_base(self, task, address): |
| for vad in task.VadRoot.traverse(): |
| if address >= vad.Start and address < vad.End: |
| return vad.Start, vad.End |
|
|
| return None |
|
|
| def parse_config(self, cfg_blob, cfg_sz, cfg_addr, vinfo): |
| p_data = OrderedDict() |
|
|
| |
| SleepTime = unpack_from('>I', cfg_blob, 0x34)[0] |
| NetworkFlag = unpack_from('<672B', cfg_blob, 0x3c) |
| ServerURL = unpack_from('<128s128s128s128s', cfg_blob, 0x3fc) |
| if cfg_sz == 0x1d18: |
| InstallFolder = unpack_from('<512s', cfg_blob, 0x910)[0] |
| ServiceName = unpack_from('<512s', cfg_blob, 0xb10)[0] |
| ServiceDisplayName = unpack_from('<512s', cfg_blob, 0xd10)[0] |
| InjectionProcess = unpack_from('<512s', cfg_blob, 0x1518)[0] |
| ServerID1 = unpack_from('<512s', cfg_blob, 0x1718)[0] |
| ServerID2 = unpack_from('<512s', cfg_blob, 0x1918)[0] |
| Mutex = unpack_from('<256s', cfg_blob, 0x1b18)[0] |
| RunKey = unpack_from('<512s', cfg_blob, 0x1114)[0] |
| RunKeyValu = unpack_from('<512s', cfg_blob, 0x1314)[0] |
| elif cfg_sz == 0x1510 or cfg_sz == 0x150c: |
| InstallFolder = unpack_from('<512s', cfg_blob, 0x90c)[0] |
| ServiceName = unpack_from('<512s', cfg_blob, 0xb0c)[0] |
| ServiceDisplayName = unpack_from('<512s', cfg_blob, 0xd0c)[0] |
| ServerID1 = unpack_from('<512s', cfg_blob, 0x110c)[0] |
| ServerID2 = unpack_from('<512s', cfg_blob, 0x130c)[0] |
|
|
| ServerData = [[0] * 3] * 4 |
| proxy = [[0] * 5] * 4 |
| if unpack_from('<I', cfg_blob, 0xc)[0] == FLAG_ENABLE: |
| DLLremove_flag = 'Enable' |
| else: |
| DLLremove_flag = 'Disable' |
|
|
| if unpack_from('<I', cfg_blob, 0x28)[0] == FLAG_ENABLE: |
| FileDelete_flag = 'Enable' |
| else: |
| FileDelete_flag = 'Disable' |
|
|
| if unpack_from('<I', cfg_blob, 0x2c)[0] == FLAG_ENABLE: |
| KeyLog_flag = 'Enable' |
| else: |
| KeyLog_flag = 'Disable' |
|
|
| (dns1, dns2, dns3, dns4) = unpack_from("<4L", cfg_blob, 0x2dc) |
| custom_dns = cfg_blob[0x2dc:0x2ec] |
|
|
| for i in xrange(4): |
| if unpack_from('<B', cfg_blob, 0x2ec + (i * 68))[0] != 0x0: |
| ServerData[i] = unpack_from('<HH64s', cfg_blob, 0x2ec + (i * 68)) |
|
|
| for i in xrange(4): |
| proxy[i] = unpack_from('<2H64s64s64s', cfg_blob, 0x5fc + (i * 196)) |
|
|
| if unpack_from('>B', cfg_blob, 0x90c)[0] == 0: |
| AutorunSetup = 'Service setup' |
| elif unpack_from('>B', cfg_blob, 0x90c)[0] == 1: |
| AutorunSetup = 'Run Registry' |
| elif unpack_from('>B', cfg_blob, 0x90c)[0] == 2: |
| AutorunSetup = 'Disable' |
|
|
| if unpack_from('<I', cfg_blob, 0x1110)[0] == HKEY_CLASSES_ROOT: |
| RegistrySubkey = 'HKEY_CLASSES_ROOT' |
| elif unpack_from('<I', cfg_blob, 0x1110)[0] == HKEY_CURRENT_USER: |
| RegistrySubkey = 'HKEY_CURRENT_USER' |
| elif unpack_from('<I', cfg_blob, 0x1110)[0] == HKEY_LOCAL_MACHINE: |
| RegistrySubkey = 'HKEY_LOCAL_MACHINE' |
| else: |
| RegistrySubkey = unpack_from('<I', cfg_blob, 0x1110)[0] |
|
|
| if cfg_sz > 0x1510: |
| if unpack_from('>B', cfg_blob, 0x1514)[0] == 0: |
| InjectionFlag = 'Enable' |
| else: |
| InjectionFlag = 'Disable' |
|
|
| CnCDay = 'Everyday' |
| for x in xrange(672): |
| if NetworkFlag[x] == 0x0: |
| CnCDay = 'Network Activity Flag Enable(Check config file!)' |
|
|
| |
| p_data["Version"] = 1 |
| p_data["Version Info"] = vinfo |
| p_data["Config Size"] = "0x{0:X}".format(cfg_sz) |
| p_data["Delete DLL list"] = DLLremove_flag |
| p_data["File Delete"] = FileDelete_flag |
| p_data["Key Logger"] = KeyLog_flag |
| p_data["Sleep Time"] = SleepTime |
| p_data["Network Activity"] = CnCDay |
| if dns1 not in (0, 0xffffffff): |
| p_data["Custom DNS 1"] = inet_ntoa(custom_dns[:4]) |
| if dns2 not in (0, 0xffffffff): |
| p_data["Custom DNS 2"] = inet_ntoa(custom_dns[4:8]) |
| if dns3 not in (0, 0xffffffff): |
| p_data["Custom DNS 3"] = inet_ntoa(custom_dns[8:12]) |
| if dns4 not in (0, 0xffffffff): |
| p_data["Custom DNS 4"] = inet_ntoa(custom_dns[12:16]) |
|
|
| for z in xrange(4): |
| if ServerData[z][0]: |
| p_data["Server {0}".format(z + 1)] = "{0}:{1} (Type {2})".format(ServerData[z][2].replace('\0', ''), ServerData[z][1], ServerData[z][0]) |
|
|
| for y in xrange(4): |
| if ServerURL[y]: |
| p_data["Server URL {0}".format(y + 1)] = ServerURL[y].replace('\0', '') |
|
|
| for k in xrange(4): |
| if proxy[k][1] != 0: |
| p_data["Proxy {0}".format(k + 1)] = "{0}:{1}".format(proxy[k][2].replace('\0', ''), proxy[k][1]) |
| if proxy[k][3] != '\x00': |
| p_data["Proxy credentials {0}".format(k + 1)] = "{0}:{1}".format(proxy[k][3].replace('\0', ''), proxy[k][4].replace('\0', '')) |
|
|
| p_data["Install Folder"] = InstallFolder.replace('\0', '') |
| p_data["Service Name"] = ServiceName.replace('\0', '') |
| p_data["Service Display Name"] = ServiceDisplayName.replace('\0', '') |
| p_data["Server ID1"] = ServerID1.replace('\0', '') |
| p_data["Server ID2"] = ServerID2.replace('\0', '') |
| if cfg_sz == 0x1d18: |
| p_data["Auto Start"] = AutorunSetup |
| p_data["Registry Subkey"] = RegistrySubkey.replace('\0', '') |
| p_data["Registry Key"] = RunKey.replace('\0', '') |
| p_data["Registry Value"] = RunKeyValu.replace('\0', '') |
| p_data["Injection"] = InjectionFlag |
| p_data["Injection Process"] = InjectionProcess.replace('\0', '') |
| p_data["Mutex"] = Mutex.replace('\0', '') |
|
|
| return p_data |
|
|
| def parse_config2(self, cfg_blob, cfg_sz, cfg_addr, vinfo): |
| p_data = OrderedDict() |
|
|
| |
| SleepTime = unpack_from('>I', cfg_blob, 0x34)[0] |
| NetworkFlag = unpack_from('>672B', cfg_blob, 0x3c) |
| ServerURL = unpack_from('<128s128s128s128s', cfg_blob, 0x3fc) |
| InstallFolder = unpack_from('<512s', cfg_blob, 0x910)[0] |
| ServiceName = unpack_from('<512s', cfg_blob, 0xb10)[0] |
| ServiceDisplayName = unpack_from('<512s', cfg_blob, 0xd10)[0] |
| InjectionProcess1 = unpack_from('<512s', cfg_blob, 0x1518)[0] |
| InjectionProcess2 = unpack_from('<512s', cfg_blob, 0x1718)[0] |
| InjectionProcess3 = unpack_from('<512s', cfg_blob, 0x1918)[0] |
| InjectionProcess4 = unpack_from('<512s', cfg_blob, 0x1B18)[0] |
| if cfg_sz == 0x2540: |
| ServerID1 = unpack_from('<512s', cfg_blob, 0x1d18)[0] |
| ServerID2 = unpack_from('<512s', cfg_blob, 0x1f18)[0] |
| Mutex = unpack_from('<256s', cfg_blob, 0x2118)[0] |
| ScreenCapFolder = unpack_from('<512s', cfg_blob, 0x2330)[0] |
| else: |
| ServerID1 = unpack_from('<512s', cfg_blob, 0x251c)[0] |
| ServerID2 = unpack_from('<512s', cfg_blob, 0x271c)[0] |
| Mutex = unpack_from('<256s', cfg_blob, 0x291c)[0] |
| ScreenCapFolder = unpack_from('<512s', cfg_blob, 0x2b34)[0] |
| RunKey = unpack_from('<512s', cfg_blob, 0x1114)[0] |
| RunKeyValu = unpack_from('<512s', cfg_blob, 0x1314)[0] |
|
|
| ServerData = [[0] * 3] * 4 |
| proxy = [[0] * 5] * 4 |
| if unpack_from('<I', cfg_blob, 0xc)[0] == FLAG_ENABLE: |
| DLLremove_flag = 'Enable' |
| else: |
| DLLremove_flag = 'Disable' |
|
|
| if unpack_from('<I', cfg_blob, 0x28)[0] == FLAG_ENABLE: |
| FileDelete_flag = 'Enable' |
| else: |
| FileDelete_flag = 'Disable' |
|
|
| if unpack_from('<I', cfg_blob, 0x2c)[0] == FLAG_ENABLE: |
| KeyLog_flag = 'Enable' |
| else: |
| KeyLog_flag = 'Disable' |
|
|
| (dns1, dns2, dns3, dns4) = unpack_from("<4L", cfg_blob, 0x2dc) |
| custom_dns = cfg_blob[0x2dc:0x2ec] |
|
|
| for i in xrange(4): |
| if unpack_from('<B', cfg_blob, 0x2ec + (i * 68))[0] != 0x0: |
| ServerData[i] = unpack_from('<HH64s', cfg_blob, 0x2ec + (i * 68)) |
|
|
| for i in xrange(4): |
| proxy[i] = unpack_from('<2H64s64s64s', cfg_blob, 0x5fc + (i * 196)) |
|
|
| if unpack_from('>B', cfg_blob, 0x90c)[0] == 0: |
| AutorunSetup = 'Run Registry or Service setup' |
| elif unpack_from('>B', cfg_blob, 0x90c)[0] == 1: |
| AutorunSetup = 'Service setup' |
| elif unpack_from('>B', cfg_blob, 0x90c)[0] == 2: |
| AutorunSetup = 'Run Registry' |
| elif unpack_from('>B', cfg_blob, 0x90c)[0] == 3: |
| AutorunSetup = 'Disable' |
|
|
| if unpack_from('<I', cfg_blob, 0x1110)[0] == HKEY_CLASSES_ROOT: |
| RegistrySubkey = 'HKEY_CLASSES_ROOT' |
| elif unpack_from('<I', cfg_blob, 0x1110)[0] == HKEY_CURRENT_USER: |
| RegistrySubkey = 'HKEY_CURRENT_USER' |
| elif unpack_from('<I', cfg_blob, 0x1110)[0] == HKEY_LOCAL_MACHINE: |
| RegistrySubkey = 'HKEY_LOCAL_MACHINE' |
| else: |
| RegistrySubkey = unpack_from('<I', cfg_blob, 0x1110)[0] |
|
|
| if unpack_from('>B', cfg_blob, 0x1514)[0] == 0: |
| InjectionFlag = 'Enable' |
| else: |
| InjectionFlag = 'Disable' |
|
|
| if cfg_sz == 0x2540: |
| if unpack_from('>B', cfg_blob, 0x2318)[0] == 0: |
| ScCapFlug = 'Disable' |
| else: |
| ScCapFlug = 'Enable' |
| else: |
| if unpack_from('>B', cfg_blob, 0x2b1c)[0] == 0: |
| ScCapFlug = 'Disable' |
| else: |
| ScCapFlug = 'Enable' |
|
|
| CnCDay = 'Everyday' |
| for x in xrange(672): |
| if NetworkFlag[x] == 0x0: |
| CnCDay = 'Network Activity Flag Enable(Check config file!)' |
|
|
| |
| p_data["Version"] = 2 |
| p_data["Version Info"] = vinfo |
| p_data["Config Size"] = "0x{0:X}".format(cfg_sz) |
| p_data["Delete DLL list"] = DLLremove_flag |
| p_data["File Delete"] = FileDelete_flag |
| p_data["Key Logger"] = KeyLog_flag |
| p_data["Sleep Time"] = SleepTime |
| p_data["Network Activity"] = CnCDay |
| if dns1 not in (0, 0xffffffff): |
| p_data["Custom DNS 1"] = inet_ntoa(custom_dns[:4]) |
| if dns2 not in (0, 0xffffffff): |
| p_data["Custom DNS 2"] = inet_ntoa(custom_dns[4:8]) |
| if dns3 not in (0, 0xffffffff): |
| p_data["Custom DNS 3"] = inet_ntoa(custom_dns[8:12]) |
| if dns4 not in (0, 0xffffffff): |
| p_data["Custom DNS 4"] = inet_ntoa(custom_dns[12:16]) |
|
|
| for z in xrange(4): |
| if ServerData[z][0]: |
| p_data["Server {0}".format(z + 1)] = "{0}:{1} (Type {2})".format(ServerData[z][2].replace('\0', ''), ServerData[z][1], ServerData[z][0]) |
|
|
| for y in xrange(4): |
| if ServerURL[y]: |
| p_data["Server URL {0}".format(y + 1)] = ServerURL[y].replace('\0', '') |
|
|
| for k in xrange(4): |
| if proxy[k][1] != 0: |
| p_data["Proxy {0}".format(k + 1)] = "{0}:{1}".format(proxy[k][2].replace('\0', ''), proxy[k][1]) |
| if proxy[k][3] != '\x00': |
| p_data["Proxy credentials {0}".format(k + 1)] = "{0}:{1}".format(proxy[k][3].replace('\0', ''), proxy[k][4].replace('\0', '')) |
|
|
| p_data["Auto Start"] = AutorunSetup |
| p_data["Install Folder"] = InstallFolder.replace('\0', '') |
| p_data["Service Name"] = ServiceName.replace('\0', '') |
| p_data["Service Display Name"] = ServiceDisplayName.replace('\0', '') |
| p_data["Registry Subkey"] = RegistrySubkey |
| p_data["Registry Key"] = RunKey.replace('\0', '') |
| p_data["Registry Value"] = RunKeyValu.replace('\0', '') |
| p_data["Injection"] = InjectionFlag |
| p_data["Injection Process1"] = InjectionProcess1.replace('\0', '') |
| p_data["Injection Process2"] = InjectionProcess2.replace('\0', '') |
| p_data["Injection Process3"] = InjectionProcess3.replace('\0', '') |
| p_data["Injection Process4"] = InjectionProcess4.replace('\0', '') |
| p_data["Server ID1"] = ServerID1.replace('\0', '') |
| p_data["Server ID2"] = ServerID2.replace('\0', '') |
| p_data["Mutex"] = Mutex.replace('\0', '') |
| p_data["Screen Capture"] = ScCapFlug |
| p_data["Screen Capture Folder"] = ScreenCapFolder.replace('\0', '') |
|
|
| return p_data |
|
|
| def parse_config3(self, cfg_blob, cfg_sz, cfg_addr, vinfo): |
| p_data = OrderedDict() |
|
|
| |
| timer1 = unpack_from('4B', cfg_blob, 0x28) |
| SleepTime1 = "" |
| if timer1[0] != 0: |
| SleepTime1 += "%d days, " % timer1[0] |
| if timer1[1] != 0: |
| SleepTime1 += "%d hours, " % timer1[1] |
| if timer1[2] != 0: |
| SleepTime1 += "%d mins, " % timer1[2] |
| SleepTime1 += "%d secs" % timer1[3] |
|
|
| timer2 = unpack_from('4B', cfg_blob, 0x2c) |
| SleepTime2 = "" |
| if timer2[0] != 0: |
| SleepTime2 += "%d days, " % timer2[0] |
| if timer2[1] != 0: |
| SleepTime2 += "%d hours, " % timer2[1] |
| if timer2[2] != 0: |
| SleepTime2 += "%d mins, " % timer2[2] |
| SleepTime2 += "%d secs" % timer2[3] |
|
|
| NetworkFlag = unpack_from('>672B', cfg_blob, 0x30) |
| ServerURL = unpack_from('<128s128s128s128s128s128s128s128s128s128s128s128s128s128s128s128s', cfg_blob, 0x720) |
| InstallFolder = unpack_from('<512s', cfg_blob, 0x1234)[0] |
| ServiceName = unpack_from('<512s', cfg_blob, 0x1434)[0] |
| ServiceDisplayName = unpack_from('<512s', cfg_blob, 0x1634)[0] |
| ServiceComment = unpack_from('<512s', cfg_blob, 0x1834)[0] |
| InjectionProcess1 = unpack_from('<512s', cfg_blob, 0x1e3c)[0] |
| InjectionProcess2 = unpack_from('<512s', cfg_blob, 0x203c)[0] |
| InjectionProcess3 = unpack_from('<512s', cfg_blob, 0x223c)[0] |
| InjectionProcess4 = unpack_from('<512s', cfg_blob, 0x243c)[0] |
| BypassProcess1 = unpack_from('<512s', cfg_blob, 0x2640)[0] |
| BypassProcess2 = unpack_from('<512s', cfg_blob, 0x2840)[0] |
| BypassProcess3 = unpack_from('<512s', cfg_blob, 0x2a40)[0] |
| BypassProcess4 = unpack_from('<512s', cfg_blob, 0x2c40)[0] |
| ServerID1 = unpack_from('<512s', cfg_blob, 0x2e40)[0] |
| ServerID2 = unpack_from('<512s', cfg_blob, 0x3040)[0] |
| Mutex = unpack_from('<256s', cfg_blob, 0x3240)[0] |
| ScreenCapFolder = unpack_from('<512s', cfg_blob, 0x3458)[0] |
| RunKey = unpack_from('<512s', cfg_blob, 0x1a38)[0] |
| RunKeyValu = unpack_from('<512s', cfg_blob, 0x1c38)[0] |
|
|
| ServerData = [[0] * 3] * 16 |
| proxy = [[0] * 5] * 6 |
| if unpack_from('<I', cfg_blob, 0x0)[0] == FLAG_ENABLE: |
| DLLremove_flag = 'Enable' |
| else: |
| DLLremove_flag = 'Disable' |
|
|
| if unpack_from('<I', cfg_blob, 0x14)[0] == FLAG_ENABLE: |
| FileDelete_flag = 'Enable' |
| else: |
| FileDelete_flag = 'Disable' |
|
|
| if unpack_from('<I', cfg_blob, 0x18)[0] == FLAG_ENABLE: |
| KeyLog_flag = 'Enable' |
| else: |
| KeyLog_flag = 'Disable' |
|
|
| if unpack_from('<I', cfg_blob, 0x20)[0] == 0: |
| Unknown_flag = 'Disable' |
| else: |
| Unknown_flag = 'Enable' |
|
|
| if unpack_from('<I', cfg_blob, 0x263c)[0] == 0: |
| BypassProcess_flag = 'Disable' |
| else: |
| BypassProcess_flag = 'Enable' |
|
|
| (dns1, dns2, dns3, dns4) = unpack_from("<4L", cfg_blob, 0x2d0) |
| custom_dns = cfg_blob[0x2d0:0x2e0] |
|
|
| for i in xrange(16): |
| if unpack_from('<B', cfg_blob, 0x2e0 + (i * 68))[0] != 0x0: |
| ServerData[i] = unpack_from('<HH64s', cfg_blob, 0x2e0 + (i * 68)) |
|
|
| for i in xrange(4): |
| proxy[i] = unpack_from('<2H64s64s64s', cfg_blob, 0xf20 + (i * 196)) |
|
|
| if unpack_from('>B', cfg_blob, 0x1230)[0] == 0: |
| AutorunSetup = 'Run Registry or Service setup' |
| elif unpack_from('>B', cfg_blob, 0x1230)[0] == 1: |
| AutorunSetup = 'Service setup' |
| elif unpack_from('>B', cfg_blob, 0x1230)[0] == 2: |
| AutorunSetup = 'Run Registry' |
| elif unpack_from('>B', cfg_blob, 0x1230)[0] == 3: |
| AutorunSetup = 'Disable' |
|
|
| if unpack_from('<I', cfg_blob, 0x1a34)[0] == HKEY_CLASSES_ROOT: |
| RegistrySubkey = 'HKEY_CLASSES_ROOT' |
| elif unpack_from('<I', cfg_blob, 0x1a34)[0] == HKEY_CURRENT_USER: |
| RegistrySubkey = 'HKEY_CURRENT_USER' |
| elif unpack_from('<I', cfg_blob, 0x1a34)[0] == HKEY_LOCAL_MACHINE: |
| RegistrySubkey = 'HKEY_LOCAL_MACHINE' |
| else: |
| RegistrySubkey = unpack_from('<I', cfg_blob, 0x1110)[0] |
|
|
| if unpack_from('>B', cfg_blob, 0x1e38)[0] == 0: |
| InjectionFlag = 'Disable' |
| else: |
| InjectionFlag = 'Enable' |
|
|
| if unpack_from('>B', cfg_blob, 0x3440)[0] == 0: |
| ScCapFlug = 'Disable' |
| else: |
| ScCapFlug = 'Enable' |
|
|
| CnCDay = 'Everyday' |
| for x in xrange(672): |
| if NetworkFlag[x] == 0x0: |
| CnCDay = 'Network Activity Flag Enable(Check config file!)' |
|
|
| IPscanValu1 = unpack_from('<I', cfg_blob, 0x3658)[0] |
| IPscanValu2 = unpack_from('<I', cfg_blob, 0x3660)[0] |
| IPscanValu3 = unpack_from('<I', cfg_blob, 0x3668)[0] |
| IPscanValu4 = unpack_from('<I', cfg_blob, 0x3670)[0] |
| IPscanPort1 = unpack_from('<H', cfg_blob, 0x365c)[0] |
| IPscanPort2 = unpack_from('<H', cfg_blob, 0x3664)[0] |
| IPscanPort3 = unpack_from('<H', cfg_blob, 0x366c)[0] |
| IPscanPort4 = unpack_from('<H', cfg_blob, 0x3674)[0] |
| (ip1, ip2, ip3, ip4) = unpack_from("<4L", cfg_blob, 0x367c) |
| scanip = cfg_blob[0x367c:0x369c] |
|
|
| if unpack_from('<I', cfg_blob, 0x3678)[0] == 0: |
| IPscan_flag = 'Disable' |
| else: |
| IPscan_flag = 'Enable' |
|
|
| |
| p_data["Version"] = 3 |
| p_data["Version Info"] = vinfo |
| p_data["Config Size"] = "0x{0:X}".format(cfg_sz) |
| p_data["Delete DLL list"] = DLLremove_flag |
| p_data["File Delete"] = FileDelete_flag |
| p_data["Key Logger"] = KeyLog_flag |
| p_data["Unknown Flag"] = Unknown_flag |
| p_data["Sleep Time1"] = SleepTime1 |
| p_data["Sleep Time2"] = SleepTime2 |
| p_data["Network Activity"] = CnCDay |
| if dns1 not in (0, 0xffffffff): |
| p_data["Custom DNS 1"] = inet_ntoa(custom_dns[:4]) |
| if dns2 not in (0, 0xffffffff): |
| p_data["Custom DNS 2"] = inet_ntoa(custom_dns[4:8]) |
| if dns3 not in (0, 0xffffffff): |
| p_data["Custom DNS 3"] = inet_ntoa(custom_dns[8:12]) |
| if dns4 not in (0, 0xffffffff): |
| p_data["Custom DNS 4"] = inet_ntoa(custom_dns[12:16]) |
|
|
| for z in xrange(16): |
| if ServerData[z][0]: |
| p_data["Server {0}".format(z + 1)] = "{0}:{1} (Type {2})".format(ServerData[z][2].replace('\0', ''), ServerData[z][1], ServerData[z][0]) |
|
|
| for y in xrange(16): |
| if ServerURL[y]: |
| p_data["Server URL {0}".format(y + 1)] = ServerURL[y].replace('\0', '') |
|
|
| for k in xrange(4): |
| if proxy[k][1] != 0: |
| p_data["Proxy {0}".format(k + 1)] = "{0}:{1}".format(proxy[k][2].replace('\0', ''), proxy[k][1]) |
| if proxy[k][3] != '\x00': |
| p_data["Proxy credentials {0}".format(k + 1)] = "{0}:{1}".format(proxy[k][3].replace('\0', ''), proxy[k][4].replace('\0', '')) |
|
|
| p_data["Auto Start"] = AutorunSetup |
| p_data["Install Folder"] = InstallFolder.replace('\0', '') |
| p_data["Service Name"] = ServiceName.replace('\0', '') |
| p_data["Service Display Name"] = ServiceDisplayName.replace('\0', '') |
| p_data["Service Comment"] = ServiceComment.replace('\0', '') |
| p_data["Registry Subkey"] = RegistrySubkey |
| p_data["Registry Key"] = RunKey.replace('\0', '') |
| p_data["Registry Value"] = RunKeyValu.replace('\0', '') |
| p_data["Injection"] = InjectionFlag |
| p_data["Injection Process1"] = InjectionProcess1.replace('\0', '') |
| p_data["Injection Process2"] = InjectionProcess2.replace('\0', '') |
| p_data["Injection Process3"] = InjectionProcess3.replace('\0', '') |
| p_data["Injection Process4"] = InjectionProcess4.replace('\0', '') |
| p_data["UACBypass"] = BypassProcess_flag |
| p_data["UACBypass Process1"] = BypassProcess1.replace('\0', '') |
| p_data["UACBypass Process2"] = BypassProcess2.replace('\0', '') |
| p_data["UACBypass Process3"] = BypassProcess3.replace('\0', '') |
| p_data["UACBypass Process4"] = BypassProcess4.replace('\0', '') |
| p_data["Server ID1"] = ServerID1.replace('\0', '') |
| p_data["Server ID2"] = ServerID2.replace('\0', '') |
| p_data["Mutex"] = Mutex.replace('\0', '') |
| p_data["Screen Capture"] = ScCapFlug |
| p_data["Screen Capture Folder"] = ScreenCapFolder.replace('\0', '') |
| p_data["IP Scan"] = IPscan_flag |
| if IPscan_flag == "Enable": |
| p_data["IP Scan value 1"] = IPscanValu1 |
| p_data["IP Scan port 1"] = IPscanPort1 |
| p_data["IP Scan value 2"] = IPscanValu2 |
| p_data["IP Scan port 2"] = IPscanPort2 |
| p_data["IP Scan value 3"] = IPscanValu3 |
| p_data["IP Scan port 3"] = IPscanPort3 |
| p_data["IP Scan value 4"] = IPscanValu4 |
| p_data["IP Scan port 4"] = IPscanPort4 |
|
|
| if ip1 not in (0, 0xffffffff): |
| p_data["Scan IP 1"] = "{0} - {1}".format(inet_ntoa(scanip[:4]), (inet_ntoa(scanip[16:20]))) |
| if ip2 not in (0, 0xffffffff): |
| p_data["Scan IP 2"] = "{0} - {1}".format(inet_ntoa(scanip[4:8]), (inet_ntoa(scanip[20:24]))) |
| if ip3 not in (0, 0xffffffff): |
| p_data["Scan IP 3"] = "{0} - {1}".format(inet_ntoa(scanip[8:12]), (inet_ntoa(scanip[24:28]))) |
| if ip4 not in (0, 0xffffffff): |
| p_data["Scan IP 4"] = "{0} - {1}".format(inet_ntoa(scanip[12:16]), (inet_ntoa(scanip[28:32]))) |
|
|
| return p_data |
|
|
| def parse_config_winnti(self, cfg_blob, cfg_sz, cfg_addr, vinfo): |
| p_data = OrderedDict() |
|
|
| |
| SleepTime = unpack_from('>I', cfg_blob, 0x0c)[0] |
| NetworkFlag = unpack_from('<672B', cfg_blob, 0x14) |
|
|
| if cfg_sz == 0xd24: |
| InstallDll = unpack_from('<32s', cfg_blob, 0xae4)[0] |
| InstallData = unpack_from('<32s', cfg_blob, 0xb04)[0] |
| ServiceName = unpack_from('<32s', cfg_blob, 0xb24)[0] |
| ServiceDisplayName = unpack_from('<256s', cfg_blob, 0xc24)[0] |
|
|
| ServerData = [[0] * 3] * 4 |
| if unpack_from('<I', cfg_blob, 0xc)[0] == FLAG_ENABLE: |
| unknown_flag = 'Enable' |
| else: |
| unknown_flag = 'Disable' |
|
|
| (dns1, dns2, dns3, dns4) = unpack_from("<4L", cfg_blob, 0x2b4) |
| custom_dns = cfg_blob[0x2b4:0x2c4] |
|
|
| for i in xrange(4): |
| if unpack_from('<B', cfg_blob, 0x2c4 + (i * 68))[0] != 0x0: |
| ServerData[i] = unpack_from('<HH64s', cfg_blob, 0x2c4 + (i * 68)) |
|
|
| CnCDay = 'Everyday' |
| for x in xrange(672): |
| if NetworkFlag[x] == 0x0: |
| CnCDay = 'Network Activity Flag Enable(Check config file!)' |
|
|
| |
| p_data["Version"] = "winnti" |
| p_data["Version Info"] = vinfo |
| p_data["Config Size"] = "0x{0:X}".format(cfg_sz) |
| p_data["Unknown Flag"] = unknown_flag |
| p_data["Sleep Time"] = SleepTime |
| p_data["Network Activity"] = CnCDay |
| if dns1 not in (0, 0xffffffff): |
| p_data["Custom DNS 1"] = inet_ntoa(custom_dns[:4]) |
| if dns2 not in (0, 0xffffffff): |
| p_data["Custom DNS 2"] = inet_ntoa(custom_dns[4:8]) |
| if dns3 not in (0, 0xffffffff): |
| p_data["Custom DNS 3"] = inet_ntoa(custom_dns[8:12]) |
| if dns4 not in (0, 0xffffffff): |
| p_data["Custom DNS 4"] = inet_ntoa(custom_dns[12:16]) |
|
|
| for z in xrange(4): |
| if ServerData[z][0]: |
| p_data["Server {0}".format(z + 1)] = "{0}:{1} (Type {2})".format(ServerData[z][2].replace('\0', ''), ServerData[z][1], ServerData[z][0]) |
|
|
| if cfg_sz == 0xd24: |
| p_data["Install DLL"] = InstallDll.replace('\0', '') |
| p_data["Install Data"] = InstallData.replace('\0', '') |
| p_data["Service Name"] = ServiceName.replace('\0', '') |
| p_data["Service Display Name"] = ServiceDisplayName.replace('\0', '') |
|
|
| return p_data |
|
|
| def calculate(self): |
|
|
| if not has_yara: |
| debug.error("Yara must be installed for this plugin") |
|
|
| addr_space = utils.load_as(self._config) |
|
|
| os, memory_model = self.is_valid_profile(addr_space.profile) |
| if not os: |
| debug.error("This command does not support the selected profile.") |
|
|
| rules = yara.compile(sources=plugx_sig) |
|
|
| for task in self.filter_tasks(tasks.pslist(addr_space)): |
| scanner = malfind.VadYaraScanner(task=task, rules=rules) |
|
|
| for hit, address in scanner.scan(): |
|
|
| vad_base_addr, end = self.get_vad_base(task, address) |
| proc_addr_space = task.get_process_address_space() |
| data = proc_addr_space.zread(vad_base_addr, end - vad_base_addr) |
|
|
| config_data = [] |
| offset1 = data.find("\xFF\x68\xa0\x02\x00\x00\x47\x57\x68") |
| offset2 = data.find("\x00\x68\xa0\x02\x00\x00\x50") |
| offset3 = data.find("\xF6\x68\xa0\x02\x00\x00\x46\x56\x68") |
| offset4 = data.find("\xDB\x68\xa0\x02\x00\x00\x43\x53\x68") |
| offset5 = data.find("\x83\xc4\x0c\x68\x10\x27\x00\x00") |
| offset6 = data.find("\x00\x68\xa0\x02\x00\x00\xB0") |
|
|
| if offset1 > 0: |
| offset = offset1 |
| elif offset2 > 0: |
| offset = offset2 |
| elif offset3 > 0: |
| offset = offset3 |
| elif offset4 > 0: |
| offset = offset4 |
| elif offset5 > 0: |
| offset = offset5 |
| elif offset6 > 0: |
| offset = offset6 |
| else: |
| continue |
|
|
| while not (data[offset] == "\x68" and (data[offset + 5] == "\xe8" or data[offset + 6] == "\xe8")) and offset > 0: |
| offset -= 1 |
| if data[offset] != "\x68": |
| continue |
|
|
| |
| |
| |
| (config_addr, ) = unpack("=I", data[offset + 1:offset + 5]) |
|
|
| |
| offset -= 1 |
| while not data[offset] == "\x68": |
| offset -= 1 |
| if data[offset] != "\x68": |
| continue |
|
|
| |
| info_start = data.find('\\work\\') |
| if info_start > 0: |
| info_end = data.find('\\', info_start + 6) |
| version_info = str(data[info_start + 6: info_end]).decode("utf-8", "replace") |
| else: |
| version_info = "Null" |
|
|
| (config_size, ) = unpack("=I", data[offset + 1:offset + 5]) |
|
|
| config_addr -= vad_base_addr |
| if config_size == 0x1510: |
| config_addr = config_addr + 4 |
|
|
| config_blob = data[config_addr:config_addr + config_size] |
| if config_size == 0xd24 or config_size == 0xae4: |
| config_data.append(self.parse_config_winnti(config_blob, config_size, config_addr, version_info)) |
| elif config_size == 0x2540: |
| config_data.append(self.parse_config2(config_blob, config_size, config_addr, version_info)) |
| elif config_size == 0x2d58: |
| config_data.append(self.parse_config2(config_blob, config_size, config_addr, version_info)) |
| elif config_size == 0x36A4: |
| config_data.append(self.parse_config3(config_blob, config_size, config_addr, version_info)) |
| else: |
| config_data.append(self.parse_config(config_blob, config_size, config_addr, version_info)) |
|
|
| yield task, vad_base_addr, end, hit, memory_model, config_data |
| break |
|
|
| def render_text(self, outfd, data): |
|
|
| delim = '-' * 70 |
|
|
| for task, start, end, malname, memory_model, config_data in data: |
| outfd.write("{0}\n".format(delim)) |
| outfd.write("Process: {0} ({1})\n\n".format(task.ImageFileName, task.UniqueProcessId)) |
|
|
| outfd.write("[Config Info]\n") |
| for p_data in config_data: |
| for id, param in p_data.items(): |
| outfd.write("{0:<25}: {1}\n".format(id, param)) |
|
|