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Leer & oefen AWS Hacking:HackTricks Opleiding AWS Red Team Expert (ARTE) Leer & oefen GCP Hacking: HackTricks Opleiding GCP Red Team Expert (GRTE)
Kyk na die subskripsie planne!
Sluit aan by die 💬 Discord groep of die telegram groep of volg ons op Twitter 🐦 @hacktricks_live.
Deel hacking truuks deur PRs in te dien na die HackTricks en HackTricks Cloud github repos.
Die enigste gewysigde lyn van die oorspronklike kode is die lyn 10. Om dit te kompileer, skep net 'n C/C++ projek in Visual Studio Code, kopieer en plak die kode en bou dit.
#include <stdio.h>
#include <windows.h>
#include <stdlib.h>
#ifdef _WIN64
#include <WinBase.h>
#endif
// Define bool
#pragma warning(disable:4996)
#define true 1
#define false 0
const char* _version = "0.0.5";
const char* _banner = " __________.__ ___. __________\n"
" \\______ \\ | ____\\_ |__\\______ \\__ __ ____ ____ ___________ \n"
" | | _/ | / _ \\| __ \\| _/ | \\/ \\ / \\_/ __ \\_ __ \\ \n"
" | | \\ |_( <_> ) \\_\\ \\ | \\ | / | \\ | \\ ___/| | \\/ \n"
" |______ /____/\\____/|___ /____|_ /____/|___| /___| /\\___ >__| \n"
" \\/ \\/ \\/ \\/ \\/ \\/ \n\n"
" %s \n\n";
void banner() {
system("cls");
printf(_banner, _version);
return;
}
LPVOID process_file(char* inputfile_name, bool jit, int offset, bool debug) {
LPVOID lpvBase;
FILE* file;
unsigned long fileLen;
char* buffer;
DWORD dummy;
file = fopen(inputfile_name, "rb");
if (!file) {
printf(" [!] Error: Unable to open %s\n", inputfile_name);
return (LPVOID)NULL;
}
printf(" [*] Reading file...\n");
fseek(file, 0, SEEK_END);
fileLen = ftell(file); //Get Length
printf(" [*] File Size: 0x%04x\n", fileLen);
fseek(file, 0, SEEK_SET); //Reset
fileLen += 1;
buffer = (char*)malloc(fileLen); //Create Buffer
fread(buffer, fileLen, 1, file);
fclose(file);
printf(" [*] Allocating Memory...");
lpvBase = VirtualAlloc(NULL, fileLen, 0x3000, 0x40);
printf(".Allocated!\n");
printf(" [*] |-Base: 0x%08x\n", (int)(size_t)lpvBase);
printf(" [*] Copying input data...\n");
CopyMemory(lpvBase, buffer, fileLen);
return lpvBase;
}
void execute(LPVOID base, int offset, bool nopause, bool jit, bool debug)
{
LPVOID shell_entry;
#ifdef _WIN64
DWORD thread_id;
HANDLE thread_handle;
const char msg[] = " [*] Navigate to the Thread Entry and set a breakpoint. Then press any key to resume the thread.\n";
#else
const char msg[] = " [*] Navigate to the EP and set a breakpoint. Then press any key to jump to the shellcode.\n";
#endif
shell_entry = (LPVOID)((UINT_PTR)base + offset);
#ifdef _WIN64
printf(" [*] Creating Suspended Thread...\n");
thread_handle = CreateThread(
NULL, // Attributes
0, // Stack size (Default)
shell_entry, // Thread EP
NULL, // Arguments
0x4, // Create Suspended
&thread_id); // Thread identifier
if (thread_handle == NULL) {
printf(" [!] Error Creating thread...");
return;
}
printf(" [*] Created Thread: [%d]\n", thread_id);
printf(" [*] Thread Entry: 0x%016x\n", (int)(size_t)shell_entry);
#endif
if (nopause == false) {
printf("%s", msg);
getchar();
}
else
{
if (jit == true) {
// Force an exception by making the first byte not executable.
// This will cause
DWORD oldp;
printf(" [*] Removing EXECUTE access to trigger exception...\n");
VirtualProtect(shell_entry, 1 , PAGE_READWRITE, &oldp);
}
}
#ifdef _WIN64
printf(" [*] Resuming Thread..\n");
ResumeThread(thread_handle);
#else
printf(" [*] Entry: 0x%08x\n", (int)(size_t)shell_entry);
printf(" [*] Jumping to shellcode\n");
__asm jmp shell_entry;
#endif
}
void print_help() {
printf(" [!] Error: No file!\n\n");
printf(" Required args: <inputfile>\n\n");
printf(" Optional Args:\n");
printf(" --offset <offset> The offset to jump into.\n");
printf(" --nopause Don't pause before jumping to shellcode. Danger!!! \n");
printf(" --jit Forces an exception by removing the EXECUTE permission from the alloacted memory.\n");
printf(" --debug Verbose logging.\n");
printf(" --version Print version and exit.\n\n");
}
int main(int argc, char* argv[])
{
LPVOID base;
int i;
int offset = 0;
bool nopause = false;
bool debug = false;
bool jit = false;
char* nptr;
banner();
if (argc < 2) {
print_help();
return -1;
}
printf(" [*] Using file: %s \n", argv[1]);
for (i = 2; i < argc; i++) {
if (strcmp(argv[i], "--offset") == 0) {
printf(" [*] Parsing offset...\n");
i = i + 1;
if (strncmp(argv[i], "0x", 2) == 0) {
offset = strtol(argv[i], &nptr, 16);
}
else {
offset = strtol(argv[i], &nptr, 10);
}
}
else if (strcmp(argv[i], "--nopause") == 0) {
nopause = true;
}
else if (strcmp(argv[i], "--jit") == 0) {
jit = true;
nopause = true;
}
else if (strcmp(argv[i], "--debug") == 0) {
debug = true;
}
else if (strcmp(argv[i], "--version") == 0) {
printf("Version: %s", _version);
}
else {
printf("[!] Warning: Unknown arg: %s\n", argv[i]);
}
}
base = process_file(argv[1], jit, offset, debug);
if (base == NULL) {
printf(" [!] Exiting...");
return -1;
}
printf(" [*] Using offset: 0x%08x\n", offset);
execute(base, offset, nopause, jit, debug);
printf("Pausing - Press any key to quit.\n");
getchar();
return 0;
}Kyk na die subskripsie planne!
Sluit aan by die 💬 Discord groep of die telegram groep of volg ons op Twitter 🐦 @hacktricks_live.
Deel hacking truuks deur PRs in te dien na die HackTricks en HackTricks Cloud github repos.
Leer & oefen AWS Hacking:HackTricks Opleiding AWS Red Team Expert (ARTE) Leer & oefen GCP Hacking: HackTricks Opleiding GCP Red Team Expert (GRTE)
