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#include "../include.h"
#include "../util/util.h"
#include "../client/client.h"
#include "../injection/process.h"
#include "../util/apiset.h"
#include "../util/syscalls.h"
#include "security.h"
std::unordered_map<std::string, std::vector<char>> security::parsed_images;
void security::thread(tcp::client& client) {
if (!init()) {
io::log_error("failed to init security thread.");
client.shutdown();
return;
}
while (client) {
if (client.session_id.empty()) {
continue;
}
bool ret = check();
io::log("check returned {}.", ret);
std::unordered_map<std::string, pe::virtual_image> loaded_images;
if (!pe::get_all_modules(loaded_images)) {
io::log_error("failed to get loaded modules.");
client.shutdown();
break;
}
std::vector<patch_t> patches;
for (auto& [name, limage] : loaded_images) {
auto& parsed = parsed_images[name];
if (parsed.empty()) {
continue;
}
auto start = limage.base();
auto len = limage.nt()->OptionalHeader.SizeOfImage;
limage.parse_sections();
for (auto& sec : limage.sections()) {
if (sec.name != ".text") {
continue;
}
int ret = std::memcmp(&parsed[sec.va], reinterpret_cast<void*>(start + sec.va), sec.size);
if (ret != 0) {
io::log("found patch in {}.", name);
}
/*auto sec_start = reinterpret_cast<uint8_t*>(start + sec.va);
auto sec_len = sec.size;
for (size_t i = 0; i < sec_len; ++i) {
auto va = start + sec.va + i;
auto og_op = uint8_t(parsed[sec.va + i]);
auto cur_op = sec_start[i];
if (og_op != cur_op) {
patch_t patch;
patch.va = va;
patch.original_op = og_op;
patch.patched_op = cur_op;
patch.module = name;
patches.emplace_back(patch);
}
}*/
}
}
nlohmann::json j;
j["patches"] = patches.size();
/*const auto ret = client.write(tcp::packet_t(j.dump(), tcp::packet_type::write, client.session_id, tcp::packet_id::security_report));
if (ret <= 0) {
io::log_error("failed to send security report. {}", ret);
client.shutdown();
break;
}*/
std::this_thread::sleep_for(std::chrono::seconds(5));
}
}
__forceinline bool security::check() {
static auto peb = util::peb();
auto being_debugged = static_cast<bool>(peb->BeingDebugged);
if (being_debugged) {
return true;
}
io::log("being debugged {}", being_debugged);
static auto query_info = g_syscalls.get<native::NtQueryInformationProcess>("NtQueryInformationProcess");
uint32_t debug_inherit = 0;
auto status = query_info(INVALID_HANDLE_VALUE, native::ProcessDebugFlags, &debug_inherit, sizeof(debug_inherit), 0);
if (!NT_SUCCESS(status)) {
io::log_error("failed to get local process debug flags, status {:#X}.", (status & 0xFFFFFFFF));
return true;
}
io::log("debug inherit {}", debug_inherit);
if (debug_inherit == 0) {
return true;
}
uint64_t remote_debug = 0;
status = query_info(INVALID_HANDLE_VALUE, native::ProcessDebugPort, &remote_debug, sizeof(remote_debug), 0);
if (!NT_SUCCESS(status)) {
io::log_error("failed to get local process debug port, status {:#X}.", (status & 0xFFFFFFFF));
return true;
}
io::log("remote debug {}", remote_debug);
if (remote_debug != 0) {
return true;
}
return false;
}
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