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sddbg.cpp
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sddbg.cpp
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// CONSOLE
#include <sddb>
#include <dbghelp.h>
#include <tlhelp32.h>
#pragma comment( lib, "dbghelp" )
#pragma comment( lib, "user32" )
// TODO To cause a breakpoint exception in another process, use the DebugBreakProcess function.
// TODO Implement fully custom StackWalk
// TODO Implement custom PDB reader OR custom symbol exporting
// TODO Visualise full process\thread memory map with DLLs, stack and heap
// void DebugBreak(); Causes a breakpoint exception to occur in the current process. This allows the calling thread
// to signal the debugger to handle the exception. But why, if I can use RaiseException?!
// REASON: //KERNELBASE.dll!RaiseException+0x69 VS KERNELBASE.dll!DebugBreak+0x3 --> many useless code in RaiseExc!
#define COL_END p|DS;
#define COL_THREAD p|CS;
#define COL_DLL p|VS;
#define COL_PROC p|BS;
#define COL_STR p|YS;
#define COL_DESPAWN p|RS;
#define COL_LOAD_SUCC p|GS;
#define COL_LOAD_FAIL p|RS;
#define COL_TRACE_PLUS p|VS;
#define COL_TRACE_OFFSET p|BS;
#define COL_TRACE_SYMB p|YS;
#define COL_TRACE_LINE p|CS;
cstr vc_source = L(
"C:\\Program Files\\Microsoft Visual Studio\\2022\\Community\\VC\\Tools\\MSVC\\14.34.31933\\crt\\src\\vcruntime\\");
typedef struct _DLL_LIST_ITEM
{
LPWSTR n; // Name
LPVOID b; // Base address
DWORD en; // Number of exceptions that happned in this process
DWORD id;
struct _DLL_LIST_ITEM *next;
} DLL_LIST_ITEM;
DLL_LIST_ITEM *dlls;
DLL_LIST_ITEM *threads;
DLL_LIST_ITEM *procs;
DWORD decision(DWORD chance);
void dllAttach(DLL_LIST_ITEM **root, LPCWSTR name, LPVOID base, DWORD id);
void dllDestoryList(DLL_LIST_ITEM **root);
HANDLE fndHandle(DWORD id, DLL_LIST_ITEM *what);
LPWSTR fndProcName(DWORD id);
DWORD * getProcExceptStat(DWORD id);
cstr stripPath(LPCSTR path);
void checkSymType(SYM_TYPE t);
BOOL __declspec(nothrow) readProcMemCallback(HANDLE ph, DWORD64 baddr, PVOID buff, DWORD sz, LPDWORD bread);
bool fileExists(const char *fn);
BOOL WINAPI onExitHandler(DWORD ctrl_sig) noexcept;
txt getProcPath(DWORD pid);
int wmain(int argc, wchar_t **argv)
{
static HANDLE oh = GetStdHandle(STD_OUTPUT_HANDLE);
static CONSOLE_SCREEN_BUFFER_INFO csbi;
GetConsoleScreenBufferInfo(oh, &csbi);
COORD buf = csbi.dwSize;
buf.Y = 9000;
SetConsoleScreenBufferSize(oh, buf);
SetConsoleCtrlHandler(onExitHandler, TRUE);
SetConsoleTitle(L"SDDBG");
engage_inject_mode:
BOOL res = FALSE;
static STARTUPINFOW si;
static PROCESS_INFORMATION pi;
if(argc != 2)
{
p|"Move "|G|"MOUSE POINTER"|" over process "|B|"WINDOW"|" to be attached and press "|Y|"ANY KEY"|"..."|P;
POINT pnt;
GetCursorPos(&pnt);
HWND wnd = WindowFromPoint(pnt);
DWORD pid;
GetWindowThreadProcessId(wnd, &pid);
if(getProcPath(pid) == L("C:\\Windows\\System32\\cmd.exe"))
{
HANDLE snap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
PROCESSENTRY32 lppe; // struct tagPROCESSENTRY32
lppe.dwSize = sizeof(PROCESSENTRY32); // DWORD dwSize;
if(!Process32First(snap, &lppe)) // DWORD cntUsage;
{ // DWORD th32ProcessID;
p|PE|" in Process32First"|N|P; // ULONG_PTR th32DefaultHeapID;
return 1; // DWORD th32ModuleID;
} // DWORD cntThreads;
do // DWORD th32ParentProcessID
{ // LONG pcPriClassBase;
if(lppe.th32ParentProcessID == pid) // DWORD dwFlags;
{ // CHAR szExeFile[MAX_PATH];
if(getProcPath(lppe.th32ProcessID) == L("C:\\Windows\\System32\\conhost.exe"))
{
continue;
}
pid = lppe.th32ProcessID;
goto proc_attach;
}
}
while(Process32Next(snap, &lppe));
CloseHandle(snap);
p|R|"Failed to find console process in CMD "|B|pid|R|"!"|N|P;
return 1;
}
proc_attach:
if(!DebugActiveProcess(pid))
{
p|PE|N;
p|R|"Failed to attach to process "|B|pid|R|"!"|N|P;
return 1;
}
SetConsoleCursorPosition(oh, { 0, 0 });
p|S(100);
SetConsoleCursorPosition(oh, { 0, 0 });
// To detach from the process being debugged, the debugger should use the DebugActiveProcessStop function.
}
else
{
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
memset(&pi, 0, sizeof(pi));
// Create Process ========================================================================================
res = CreateProcessW(
argv[1], // [I|O] Name of the module to be executed, that's it
NULL, // [IO|O] Command line to be exectued, searches PATH, adds extention
NULL, // [I|O] Sec. Attrib. for inhereting new process by child processes
NULL, // [I|O] Sec. Attrib. for inhereting new thread by child processes
FALSE, // [I] New proc. inherits each inheritable handle
CREATE_NEW_CONSOLE |
DEBUG_PROCESS, // [I] Process creation flags
NULL, // [I|O] Ptr to environment block of new process (inherit if NULL)
NULL, // [I|O] Full path to current directory for the process
&si, // [I] Ptr to STARTUPINFO struct, if dwFlags = 0, def. values used
&pi); // [O] Ptr to PROCESS_INFORMATION struct with new proc identification info
// =======================================================================================================
}
//DEBUG_ONLY_THIS_PROCESS 0x00000002 ---> To ignore child procs created by debugee
DEBUG_EVENT de;
DWORD continue_status = DBG_EXCEPTION_NOT_HANDLED;
//typedef struct _DEBUG_EVENT {
// DWORD dwDebugEventCode;
// DWORD dwProcessId;
// DWORD dwThreadId;
// union {
// EXCEPTION_DEBUG_INFO Exception;
// CREATE_THREAD_DEBUG_INFO CreateThread;
// CREATE_PROCESS_DEBUG_INFO CreateProcessInfo;
// EXIT_THREAD_DEBUG_INFO ExitThread;
// EXIT_PROCESS_DEBUG_INFO ExitProcess;
// LOAD_DLL_DEBUG_INFO LoadDll;
// UNLOAD_DLL_DEBUG_INFO UnloadDll;
// OUTPUT_DEBUG_STRING_INFO DebugString;
// RIP_INFO RipInfo;
// } u;
//} DEBUG_EVENT, *LPDEBUG_EVENT;
while(1)
{
WaitForDebugEventEx(&de, INFINITE);
switch(de.dwDebugEventCode)
{
case EXCEPTION_DEBUG_EVENT: /* 1 */
{
//typedef struct _EXCEPTION_DEBUG_INFO {
// EXCEPTION_RECORD ExceptionRecord;
// DWORD dwFirstChance;
//} EXCEPTION_DEBUG_INFO, *LPEXCEPTION_DEBUG_INFO;
HANDLE hp = fndHandle(de.dwProcessId, procs);
pexcept(&de.u.Exception.ExceptionRecord, hp);
HANDLE ht = fndHandle(de.dwThreadId, threads);
p|"PROCESS: "|fndProcName(de.dwProcessId)|" ("|de.dwProcessId|") THREAD: "|de.dwThreadId|N|N;
// Skip regs/stack listing for first info. exception generated by kernel for each process
if(de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT &&
++(*getProcExceptStat(de.dwProcessId)) == 1)
{
continue_status = DBG_CONTINUE;
break;
}
HWND wnd = GetConsoleWindow();
SetForegroundWindow(wnd);
// No idea what are this...
// CONTEXT_SEGMENTS -> SegDs, SegEs, SegFs, and SegGs
// CONTEXT_FLOATING_POINT -> Xmm0-Xmm15.
// CONTEXT_DEBUG_REGISTERS -> Dr0-Dr3 and Dr6-Dr7.
// Full list:
// CONTEXT_CONTROL (CONTEXT_AMD64 | 0x00000001L)
// CONTEXT_INTEGER (CONTEXT_AMD64 | 0x00000002L)
// CONTEXT_SEGMENTS (CONTEXT_AMD64 | 0x00000004L)
// CONTEXT_FLOATING_POINT (CONTEXT_AMD64 | 0x00000008L)
// CONTEXT_DEBUG_REGISTERS (CONTEXT_AMD64 | 0x00000010L)
// CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_FLOATING_POINT)
// CONTEXT_ALL (CONTEXT_CONTROL | CONTEXT_INTEGER |
// CONTEXT_SEGMENTS | CONTEXT_FLOATING_POINT | CONTEXT_DEBUG_REGISTERS)
CONTEXT cx;
memset(&cx, 0x11, sizeof(cx));
cx.ContextFlags = CONTEXT_ALL;
res = GetThreadContext(ht, &cx);
if(!res)
{
p|PE|N;
p|R|"GETTHREADCONTEXT FAILED!"|N;
}
p|"RIP 0x"|H|cx.Rip|" RSP 0x"|H|cx.Rsp|N;
p|"EFL 0x"|H|cx.EFlags|N|N;
p|"RAX 0x"|H|cx.Rax|" RBX 0x"|H|cx.Rbx|N;
p|"RCX 0x"|H|cx.Rcx|" RDX 0x"|H|cx.Rdx|N;
p|"RSI 0x"|H|cx.Rsi|" RDI 0x"|H|cx.Rdi|N;
p|"RBP 0x"|H|cx.Rbp|N|N;
p|"R08 0x"|H|cx.R8|" R09 0x"|H|cx.R9|N;
p|"R10 0x"|H|cx.R10|" R11 0x"|H|cx.R11|N;
p|"R12 0x"|H|cx.R12|" R13 0x"|H|cx.R13|N;
p|"R14 0x"|H|cx.R14|" R15 0x"|H|cx.R15|N|N;
/* typedef struct _tagSTACKFRAME64 {
ADDRESS64 AddrPC; // program counter
ADDRESS64 AddrReturn; // return address
ADDRESS64 AddrFrame; // frame pointer
ADDRESS64 AddrStack; // stack pointer
ADDRESS64 AddrBStore; // backing store pointer
PVOID FuncTableEntry; // pointer to pdata/fpo or NULL
DWORD64 Params[4]; // possible arguments to the function
BOOL Far; // WOW far call
BOOL Virtual; // is this a virtual frame?
DWORD64 Reserved[3];
KDHELP64 KdHelp;
} STACKFRAME64, *LPSTACKFRAME64;
typedef struct _tagADDRESS64 {
DWORD64 Offset;
WORD Segment;
ADDRESS_MODE Mode;
} ADDRESS64, *LPADDRESS64;
AddrMode1616 0
AddrMode1632 1
AddrModeReal 2
AddrModeFlat 3 */
/* typedef struct _IMAGEHLP_MODULE64 {
DWORD SizeOfStruct;
DWORD64 BaseOfImage;
DWORD ImageSize;
DWORD TimeDateStamp;
DWORD CheckSum;
DWORD NumSyms;
SYM_TYPE SymType;
CHAR ModuleName[32];
CHAR ImageName[256];
CHAR LoadedImageName[256];
CHAR LoadedPdbName[256];
DWORD CVSig;
CHAR *CVData[MAX_PATH 3];
DWORD PdbSig;
GUID PdbSig70;
DWORD PdbAge;
BOOL PdbUnmatched;
BOOL DbgUnmatched;
BOOL LineNumbers;
BOOL GlobalSymbols;
BOOL TypeInfo;
BOOL SourceIndexed;
BOOL Publics;
DWORD MachineType;
DWORD Reserved;
} IMAGEHLP_MODULE64, *PIMAGEHLP_MODULE64; */
/* typedef struct _SYMBOL_INFO {
ULONG SizeOfStruct;
ULONG TypeIndex;
ULONG64 Reserved[2];
ULONG Index;
ULONG Size;
ULONG64 ModBase;
ULONG Flags;
ULONG64 Value;
ULONG64 Address;
ULONG Register;
ULONG Scope;
ULONG Tag;
ULONG NameLen;
ULONG MaxNameLen;
CHAR Name[1];
} SYMBOL_INFO, *PSYMBOL_INFO; */
STACKFRAME64 sf; // MB COZ MIDDLE MEMBE OF ADDRPC IS NOT SET TO 0??!?! MBMB
sf.AddrPC.Offset = cx.Rip;
sf.AddrPC.Mode = AddrModeFlat;
sf.AddrFrame.Offset = cx.Rbp;
sf.AddrFrame.Mode = AddrModeFlat;
sf.AddrStack.Offset = cx.Rsp;
sf.AddrStack.Mode = AddrModeFlat;
SYMBOL_INFO *psi;
psi = (SYMBOL_INFO *)HeapAlloc(GetProcessHeap(), 0,
sizeof(SYMBOL_INFO) + (MAX_SYM_NAME - 1) * sizeof(wchar_t));
memset(psi, 0x0, sizeof(SYMBOL_INFO) + (MAX_SYM_NAME - 1) * sizeof(wchar_t));
psi->SizeOfStruct = sizeof(SYMBOL_INFO);
psi->MaxNameLen = MAX_SYM_NAME;
DWORD64 displace;
p|"STACK TRACE"|N;
do
{
IMAGEHLP_MODULE64 mi;
mi.SizeOfStruct = sizeof(mi);
res = SymGetModuleInfo64(
hp,
(DWORD64)sf.AddrPC.Offset,
&mi);
SymFromAddr(hp, sf.AddrPC.Offset, &displace, psi);
p|"0x"|H|psi->Address;
COL_TRACE_PLUS
p|"+";
COL_TRACE_OFFSET
p|"0x"|H|displace;
COL_END
p|"|"|stripPath(mi.LoadedImageName)|"|";
COL_TRACE_SYMB
p|psi->Name;
COL_END
p|"|";
IMAGEHLP_LINE64 ln;
ln.SizeOfStruct = sizeof(ln);
DWORD displace0;
res = SymGetLineFromAddr64(hp, sf.AddrPC.Offset, &displace0, &ln);
if(res)
{
p|stripPath(ln.FileName)|"(";
COL_TRACE_LINE
p|ln.LineNumber;
COL_END
p|")";
txt std_lib_src;
if(!fileExists(ln.FileName)) // Try to find file in VS sources
{
std_lib_src = vc_source;
std_lib_src += stripPath(ln.FileName);
ln.FileName = (char *)std_lib_src;
}
if(fileExists(ln.FileName)) // Jump to line in Notepad++
{
_dbgOpenFile(ln.FileName);
_dbgSelLine(ln.LineNumber);
}
p|DC|P;
//_dbgCleanSelects();
}
p|N;
res = StackWalk64(
IMAGE_FILE_MACHINE_AMD64,
hp,
ht,
&sf,
&cx,
readProcMemCallback,
SymFunctionTableAccess64,
SymGetModuleBase64,
NULL);
if(!res)
{
break;
}
}
while(sf.AddrReturn.Offset != 0);
HeapFree(GetProcessHeap(), 0, psi);
p|N;
}
continue_status = decision(de.u.Exception.dwFirstChance);
break;
case CREATE_THREAD_DEBUG_EVENT: /* 2 */
//typedef struct _CREATE_THREAD_DEBUG_INFO {
// HANDLE hThread;
// LPVOID lpThreadLocalBase;
// LPTHREAD_START_ROUTINE lpStartAddress;
//} CREATE_THREAD_DEBUG_INFO, *LPCREATE_THREAD_DEBUG_INFO;
dllAttach(&threads, NULL, (LPVOID)de.u.CreateThread.hThread, de.dwThreadId);
COL_THREAD;
p|"THREAD SPAWNED";
COL_END;
p|" BY "|fndProcName(de.dwProcessId)|": 0x"|H|de.u.CreateThread.lpThreadLocalBase|" ID: "|de.dwThreadId|N;
continue_status = DBG_EXCEPTION_NOT_HANDLED;
break;
case CREATE_PROCESS_DEBUG_EVENT: /* 3 */
//typedef struct _CREATE_PROCESS_DEBUG_INFO {
// HANDLE hFile;
// HANDLE hProcess;
// HANDLE hThread;
// LPVOID lpBaseOfImage;
// DWORD dwDebugInfoFileOffset;
// DWORD nDebugInfoSize;
// LPVOID lpThreadLocalBase;
// LPTHREAD_START_ROUTINE lpStartAddress;
// LPVOID lpImageName;
// WORD fUnicode;
//} CREATE_PROCESS_DEBUG_INFO, *LPCREATE_PROCESS_DEBUG_INFO;
//PROCESS SPAWNED SUCCESSFULLY!
//PROCESS SPAWNED: 27096 000000000014F140 PDB LOADED! DBG: 0
COL_PROC
if(argc != 2)
{
p|"ATTACHED TO PROCESS";
}
else
{
p|"PROCESS SPAWNED";
}
COL_END
p|": ";
{
wchar_t nm[MAX_PATH];
GetFinalPathNameByHandle(de.u.CreateProcessInfo.hFile, nm, MAX_PATH, 0);
p|nm + 4|" ID: "|de.dwProcessId; // Skip '\\?\' syntax
SymInitialize(de.u.CreateProcessInfo.hProcess, NULL, FALSE);
SymLoadModuleExW(
de.u.CreateProcessInfo.hProcess,
NULL,
nm,
NULL,
(DWORD64)de.u.CreateProcessInfo.lpBaseOfImage,
0,
NULL,
0);
IMAGEHLP_MODULE64 mi;
mi.SizeOfStruct = sizeof(mi);
res = SymGetModuleInfo64(
de.u.CreateProcessInfo.hProcess,
(DWORD64)de.u.CreateProcessInfo.lpBaseOfImage,
&mi);
if(res)
{
checkSymType(mi.SymType);
}
// de.u.CreateProcessInfo.nDebugInfoSize -> Useless. Probably legacy info (always 0)
CloseHandle(de.u.CreateProcessInfo.hFile);
COL_THREAD
p|"MAIN THREAD";
COL_END
p|": 0x"|H|de.u.CreateProcessInfo.lpThreadLocalBase|" ID: "|de.dwThreadId|N;
dllAttach(&threads, NULL, (LPVOID)de.u.CreateProcessInfo.hThread, de.dwThreadId);
SIZE_T l = wcslen(nm);
LPCWSTR lslash = nm+l; // Null wchar aka. Path End
while(*(--lslash) != L'\\' && lslash >= nm)
{
;
}
dllAttach(&procs, lslash+1, (LPVOID)de.u.CreateProcessInfo.hProcess, de.dwProcessId);
continue_status = DBG_EXCEPTION_NOT_HANDLED;
} break;
case EXIT_THREAD_DEBUG_EVENT: /* 4 */
//typedef struct _EXIT_THREAD_DEBUG_INFO {
// DWORD dwExitCode;
//} EXIT_THREAD_DEBUG_INFO, *LPEXIT_THREAD_DEBUG_INFO;
COL_DESPAWN
p|"THREAD DIED";
COL_END
p|" IN " |fndProcName(de.dwProcessId)|": "|de.dwThreadId|" C: "|de.u.ExitThread.dwExitCode|N;
continue_status = DBG_EXCEPTION_NOT_HANDLED;
break;
case EXIT_PROCESS_DEBUG_EVENT: /* 5 */
//typedef struct _EXIT_PROCESS_DEBUG_INFO {
// DWORD dwExitCode;
//} EXIT_PROCESS_DEBUG_INFO, *LPEXIT_PROCESS_DEBUG_INFO;
COL_DESPAWN
p|"PROCESS DIED";
COL_END
p|": "|fndProcName(de.dwProcessId)|" C: "|de.u.ExitProcess.dwExitCode|N;
continue_status = DBG_EXCEPTION_NOT_HANDLED;
goto stop_debugging;
case LOAD_DLL_DEBUG_EVENT: /* 6 */
//typedef struct _LOAD_DLL_DEBUG_INFO {
// HANDLE hFile;
// LPVOID lpBaseOfDll;
// DWORD dwDebugInfoFileOffset;
// DWORD nDebugInfoSize;
// LPVOID lpImageName;
// WORD fUnicode;
//} LOAD_DLL_DEBUG_INFO, *LPLOAD_DLL_DEBUG_INFO;
COL_DLL
p|"DLL LOADED";
COL_END
p|" BY "|fndProcName(de.dwProcessId)|": 0x"|H|de.u.LoadDll.lpBaseOfDll|' ';
{
wchar_t name[MAX_PATH];
GetFinalPathNameByHandle(de.u.LoadDll.hFile, name, MAX_PATH, 0);
p|name + 4; // Skip '\\?\' syntax
dllAttach(&dlls, name + 4, de.u.LoadDll.lpBaseOfDll, 0);
HANDLE hp = fndHandle(de.dwProcessId, procs);
SymLoadModuleExW(
hp,
NULL,
name,
NULL,
(DWORD64)de.u.LoadDll.lpBaseOfDll,
0,
NULL,
0);
IMAGEHLP_MODULE64 mi;
mi.SizeOfStruct = sizeof(mi);
res = SymGetModuleInfo64(
hp,
(DWORD64)de.u.LoadDll.lpBaseOfDll,
&mi);
if(res)
{
checkSymType(mi.SymType);
}
CloseHandle(de.u.CreateProcessInfo.hFile);
continue_status = DBG_EXCEPTION_NOT_HANDLED;
} break;
case UNLOAD_DLL_DEBUG_EVENT: /* 7 */
{
//typedef struct _UNLOAD_DLL_DEBUG_INFO {
// LPVOID lpBaseOfDll;
//} UNLOAD_DLL_DEBUG_INFO, *LPUNLOAD_DLL_DEBUG_INFO;
COL_DESPAWN
p|"DLL UNLOADED";
COL_END
p|" BY "|fndProcName(de.dwProcessId)|": ";
DLL_LIST_ITEM *dll = dlls;
while(dll != NULL)
{
if(dll->b == de.u.UnloadDll.lpBaseOfDll)
{
p|dll->n;
break;
}
dll = dll->next;
}
p|N;
}
continue_status = DBG_EXCEPTION_NOT_HANDLED;
break;
case OUTPUT_DEBUG_STRING_EVENT: /* 8 */
{
//typedef struct _OUTPUT_DEBUG_STRING_INFO {
// LPSTR lpDebugStringData;
// WORD fUnicode;
// WORD nDebugStringLength;
//} OUTPUT_DEBUG_STRING_INFO, *LPOUTPUT_DEBUG_STRING_INFO;
SIZE_T s = de.u.DebugString.fUnicode ?
de.u.DebugString.nDebugStringLength :
de.u.DebugString.nDebugStringLength * sizeof(wchar_t);
LPVOID ds = HeapAlloc(GetProcessHeap(), 0, s);
memset(ds, 0x0, s);
HANDLE ph = fndHandle(de.dwProcessId, procs);
ReadProcessMemory(ph, de.u.DebugString.lpDebugStringData, ds, s, NULL);
if(de.u.DebugString.fUnicode)
{
COL_STR
p|"DEBUG WSTR";
COL_END
p|" BY "|fndProcName(de.dwProcessId)|": |"|(LPWSTR)ds|"|"|N;
}
else
{
COL_STR
p|"DEBUG WSTR";
COL_END
p|" BY "|fndProcName(de.dwProcessId)|": |"|(LPSTR)ds|"|"|N;
}
HeapFree(GetProcessHeap(), 0, ds);
continue_status = DBG_EXCEPTION_NOT_HANDLED;
} break;
case RIP_EVENT: /* 9 */
COL_DESPAWN
p|"RIP_EVENT ---> IGNORING!"|N;
COL_END
continue_status = DBG_EXCEPTION_NOT_HANDLED;
break;
default:
break;
}
ContinueDebugEvent(de.dwProcessId, de.dwThreadId, continue_status);
}
stop_debugging:
if(argc == 2)
{
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
}
dllDestoryList(&dlls);
dllDestoryList(&threads);
p|TB|"Press any key to go into siphon mode..."|P|CLS;
argc = 1;
goto engage_inject_mode;
//return 0;
}
DWORD decision(DWORD chance)
{
static HANDLE ih = GetStdHandle(STD_INPUT_HANDLE);
static HANDLE oh = GetStdHandle(STD_OUTPUT_HANDLE);
p|DC|C|"H"|"ANDLE | ";
p|G|"I"|"GNORE [";
if(chance)
{
p|G|"FIRST CHANCE";
}
else
{
p|R|"FINAL CHANCE";
}
p|']'|N;
while(1)
{
DWORD cmod;
GetConsoleMode(ih, &cmod);
SetConsoleMode(ih, cmod & 0xFFFFFFF9); // ~(ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT)
char ch;
static DWORD bw;
ReadFile(ih, &ch, 1, &bw, NULL);
SetConsoleMode(ih, cmod);
switch(ch)
{
case 'h':
case 'H':
p|RC;
return DBG_CONTINUE;
case 'i':
case 'I':
p|RC;
return DBG_EXCEPTION_NOT_HANDLED;
default:
break;
}
}
}
void dllAttach(DLL_LIST_ITEM **root, LPCWSTR name, LPVOID base, DWORD id)
{
DLL_LIST_ITEM *head = *root;
if(head != NULL)
{
while(head->next != NULL)
{
head = head->next;
}
}
static HANDLE heap = GetProcessHeap();
LPVOID nh = NULL;
if(name != NULL)
{
SIZE_T l = wcslen(name) + 1;
nh = HeapAlloc(heap, 0, l * sizeof(wchar_t));
CopyMemory(nh, name, l * sizeof(wchar_t));
}
DLL_LIST_ITEM tmp;
tmp.n = (LPWSTR)nh;
tmp.b = base;
tmp.en = 0;
tmp.id = id;
tmp.next = NULL;
LPVOID ih = HeapAlloc(heap, 0, sizeof(DLL_LIST_ITEM));
CopyMemory(ih, &tmp, sizeof(DLL_LIST_ITEM));
if(head == NULL)
{
*root = (DLL_LIST_ITEM *)ih;
}
else
{
head->next = (DLL_LIST_ITEM *)ih;
}
}
void dllDestoryList(DLL_LIST_ITEM **root)
{
DLL_LIST_ITEM *cur = *root;
while(cur != NULL)
{
DLL_LIST_ITEM *tmp = cur;
static HANDLE heap = GetProcessHeap();
HeapFree(heap, 0, cur->n);
HeapFree(heap, 0, cur);
cur = tmp->next;
}
*root = NULL;
}
HANDLE fndHandle(DWORD id, DLL_LIST_ITEM *what)
{
DLL_LIST_ITEM *itm = what;
while(itm != 0)
{
if(itm->id == id)
{
return (HANDLE)itm->b;
}
itm = itm->next;
}
return NULL;
}
LPWSTR fndProcName(DWORD id)
{
DLL_LIST_ITEM *itm = procs;
while(itm != 0)
{
if(itm->id == id)
{
return itm->n;
}
itm = itm->next;
}
return NULL;
}
DWORD * getProcExceptStat(DWORD id)
{
DLL_LIST_ITEM *itm = procs;
while(itm != 0)
{
if(itm->id == id)
{
return &itm->en;
}
itm = itm->next;
}
static DWORD dummy;
dummy = 0;
return &dummy;
}
cstr stripPath(LPCSTR path)
{
SIZE_T l = strl(path);
LPCSTR lslash = path+l; // Null wchar aka. Path End
LPCSTR end = lslash;
while(*(--lslash) != '\\' && lslash >= path)
{
// Do nothing...
}
return cstr({ lslash + 1, (ui64)(end - lslash - 1) });
}
void checkSymType(SYM_TYPE t)
{
static HANDLE oh = GetStdHandle(STD_OUTPUT_HANDLE);
COL_LOAD_SUCC
switch(t)
{
case SymCoff: /* = 0 */
p|" COFF LOADED!";
break;
case SymCv:
p|" CODEVIEW LOADED!";
break;
case SymDeferred:
p|" LOADING DEFERRED!";
break;
case SymDia:
p|" DIA LOADED!";
break;
case SymExport:
p|" DLL EXPORT LOADED!";
break;
case SymPdb:
p|" PDB LOADED!";
break;
case SymSym:
p|" SYM LOADED!";
break;
case SymVirtual:
p|" SYM VIRTUAL BS!";
break;
case NumSymTypes:
p|" NUMSYMTYPES BS!";
break;
case SymNone:
COL_LOAD_FAIL
p|" NO SYMBOLS FOUND...";
break;
default:
break;
}
COL_END
p|N;
}
BOOL __declspec(nothrow) readProcMemCallback(HANDLE ph, DWORD64 baddr, PVOID buff, DWORD sz, LPDWORD bread)
{
return ReadProcessMemory(ph, (LPCVOID)baddr, buff, sz, (SIZE_T *)bread);
}
bool fileExists(const char *fn)
{
DWORD attr = GetFileAttributesA(fn);
if(attr == INVALID_FILE_ATTRIBUTES)
{
return false;
}
return true;
}
BOOL WINAPI onExitHandler(DWORD ctrl_sig) noexcept
{
if(ctrl_sig != CTRL_CLOSE_EVENT)
{
return FALSE;
}
_dbgDeselectAll();
return FALSE; // Handlers are added in a list FILO. Def. first. Returning FALSE calls next in a list
}
txt getProcPath(DWORD pid)
{
txt name = MAX_PATH;
txtssz(name, MAX_PATH);
HANDLE proc = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, pid);
if(proc != NULL)
{
QueryFullProcessImageNameA(proc, 0, name, *name);
CloseHandle(proc);
}
return name;
}
//DBG_CONTINUE 0x00010002L
// If the thread specified by the dwThreadId parameter previously reported an EXCEPTION_DEBUG_EVENT debugging event, the function stops all exception processing and continues the thread and the exception is marked as handled. For any other debugging event, this flag simply continues the thread.
//DBG_EXCEPTION_NOT_HANDLED 0x80010001L
// If the thread specified by dwThreadId previously reported an EXCEPTION_DEBUG_EVENT debugging event, the function continues exception processing. If this is a first-chance exception event, the search and dispatch logic of the structured exception handler is used; otherwise, the process is terminated. For any other debugging event, this flag simply continues the thread.
//DBG_REPLY_LATER 0x40010001L
// Supported in Windows 10, version 1507 or above, this flag causes dwThreadId to replay the existing breaking event after the target continues. By calling the SuspendThread API against dwThreadId, a debugger can resume other threads in the process and later return to the breaking.
// Context Frame
//
// This frame has a several purposes: 1) it is used as an argument to
// NtContinue, 2) it is used to constuct a call frame for APC delivery,
// and 3) it is used in the user level thread creation routines.
//
//
// The flags field within this record controls the contents of a CONTEXT
// record.
//
// If the context record is used as an input parameter, then for each
// portion of the context record controlled by a flag whose value is
// set, it is assumed that that portion of the context record contains
// valid context. If the context record is being used to modify a threads
// context, then only that portion of the threads context is modified.
//
// If the context record is used as an output parameter to capture the
// context of a thread, then only those portions of the thread's context
// corresponding to set flags will be returned.
//
// CONTEXT_CONTROL specifies SegSs, Rsp, SegCs, Rip, and EFlags.
//
// CONTEXT_INTEGER specifies Rax, Rcx, Rdx, Rbx, Rbp, Rsi, Rdi, and R8-R15.
//
// CONTEXT_SEGMENTS specifies SegDs, SegEs, SegFs, and SegGs.
//
// CONTEXT_FLOATING_POINT specifies Xmm0-Xmm15.
//
// CONTEXT_DEBUG_REGISTERS specifies Dr0-Dr3 and Dr6-Dr7.
//
//typedef struct DECLSPEC_ALIGN(16) DECLSPEC_NOINITALL _CONTEXT {
//
// //
// // Register parameter home addresses.
// //
// // N.B. These fields are for convience - they could be used to extend the
// // context record in the future.
// //
//
// DWORD64 P1Home;
// DWORD64 P2Home;
// DWORD64 P3Home;
// DWORD64 P4Home;
// DWORD64 P5Home;
// DWORD64 P6Home;
//
// //
// // Control flags.
// //
//
// DWORD ContextFlags;
// DWORD MxCsr;
//
// //
// // Segment Registers and processor flags.
// //
//
// WORD SegCs;
// WORD SegDs;
// WORD SegEs;
// WORD SegFs;
// WORD SegGs;
// WORD SegSs;
// DWORD EFlags;
//
// //
// // Debug registers
// //
//
// DWORD64 Dr0;
// DWORD64 Dr1;
// DWORD64 Dr2;
// DWORD64 Dr3;
// DWORD64 Dr6;
// DWORD64 Dr7;
//
// //