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carol: use createprocess hook

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This commit is contained in:
Kevin Trocolli 2023-09-15 19:52:26 -04:00
parent 157f52da4c
commit 5a4e947354
2 changed files with 7 additions and 89 deletions
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88
carolhook/controlbd.c
View File

@ -8,8 +8,6 @@
#include "hook/iobuf.h"
#include "hook/iohook.h"
#include "hook/table.h"
#include "carolhook/carol-dll.h"
#include "carolhook/controlbd.h"
@ -38,39 +36,6 @@ static struct uart controlbd_uart;
static uint8_t controlbd_written_bytes[520];
static uint8_t controlbd_readable_bytes[520];
static BOOL WINAPI my_CreateProcessA(
LPCSTR lpApplicationName,
LPSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCSTR lpCurrentDirectory,
LPSTARTUPINFOA lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation
);
static BOOL (WINAPI *next_CreateProcessA)(
LPCSTR lpApplicationName,
LPSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCSTR lpCurrentDirectory,
LPSTARTUPINFOA lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation
);
static const struct hook_symbol win32_hooks[] = {
{
.name = "CreateProcessA",
.patch = my_CreateProcessA,
.link = (void **) &next_CreateProcessA
}
};
HRESULT controlbd_hook_init(const struct controlbd_config *cfg)
{
if (!cfg->enable) {
@ -85,12 +50,6 @@ HRESULT controlbd_hook_init(const struct controlbd_config *cfg)
controlbd_uart.readable.bytes = controlbd_readable_bytes;
controlbd_uart.readable.nbytes = sizeof(controlbd_readable_bytes);
hook_table_apply(
NULL,
"kernel32.dll",
win32_hooks,
_countof(win32_hooks));
dprintf("Control Board: Init\n");
return iohook_push_handler(controlbd_handle_irp);
@ -378,50 +337,3 @@ static HRESULT controlbd_req_ack_any(uint8_t cmd)
return iobuf_write(&controlbd_uart.readable, &resp, sizeof(resp));
}
static BOOL WINAPI my_CreateProcessA(
LPCSTR lpApplicationName,
LPSTR lpCommandLine,
LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCSTR lpCurrentDirectory,
LPSTARTUPINFOA lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation
)
{
dprintf("Control Board: my_CreateProcessA Hit! %s\n", lpCommandLine);
if (strncmp(".\\15312firm\\firmupdate_1113.exe", lpCommandLine, 31)) {
return next_CreateProcessA(
lpApplicationName,
lpCommandLine,
lpProcessAttributes,
lpThreadAttributes,
bInheritHandles,
dwCreationFlags,
lpEnvironment,
lpCurrentDirectory,
lpStartupInfo,
lpProcessInformation
);
}
dprintf("Control Board: Hooking child process\n");
char new_cmd[MAX_PATH] = "inject -d -k carolhook.dll ";
strcat_s(new_cmd, MAX_PATH, lpCommandLine);
return next_CreateProcessA(
lpApplicationName,
new_cmd,
lpProcessAttributes,
lpThreadAttributes,
bInheritHandles,
dwCreationFlags,
lpEnvironment,
lpCurrentDirectory,
lpStartupInfo,
lpProcessInformation
);
}

8
carolhook/dllmain.c
View File

@ -19,6 +19,7 @@
#include "hooklib/serial.h"
#include "hooklib/spike.h"
#include "hooklib/createprocess.h"
#include "platform/platform.h"
@ -122,7 +123,12 @@ static DWORD CALLBACK carol_pre_startup(void)
if (FAILED(hr)) {
goto fail;
}
hr = createprocess_push_hook_a(".\\15312firm\\firmupdate_1113.exe", "inject -d -k carolhook.dll ", NULL);
if (FAILED(hr)) {
goto fail;
}
/* Initialize debug helpers */
spike_hook_init(L".\\segatools.ini");