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feat: doAddMsg hook

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This commit is contained in:
ttttupup 2024-04-07 10:00:53 +08:00
parent 74ac1c944e
commit 9836771ef7
3 changed files with 23 additions and 25 deletions
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4
app/wxhelper/src/hook.cc
View File

@ -65,7 +65,7 @@ int BaseHook::Hook() {
}
DetourTransactionBegin();
DetourUpdateThread(GetCurrentThread());
DetourAttach((PVOID *)origin_, (PVOID *)detour_);
DetourAttach((PVOID *)origin_, detour_);
LONG ret = DetourTransactionCommit();
if (ret == NO_ERROR) {
hook_flag_ = true;
@ -81,7 +81,7 @@ int BaseHook::Unhook() {
UINT64 base = wxhelper::wxutils::GetWeChatWinBase();
DetourTransactionBegin();
DetourUpdateThread(GetCurrentThread());
DetourDetach((PVOID *)origin_, (PVOID *)detour_);
DetourDetach((PVOID *)origin_, detour_);
LONG ret = DetourTransactionCommit();
if (ret == NO_ERROR) {
hook_flag_ = false;

40
app/wxhelper/src/sync_msg_hook.cc
View File

@ -7,40 +7,35 @@
#include "spdlog/spdlog.h"
#include "thread_pool.h"
#include "utils.h"
#include "wechat_interface.h"
#include "wxutils.h"
namespace wxhelper {
void SyncMsgHook::Init() {
int64_t addr = wxutils::GetWeChatWinBase() + wechat::offset::kDoAddMsg;
wechat::function::__DoAddMsg addMsg = (wechat::function::__DoAddMsg)addr;
origin_ = addMsg;
kDoAddMsg = (wechat::function::__DoAddMsg)addr;
origin_ = &kDoAddMsg;
detour_ = &HandleSyncMsg;
hook_flag_ = false;
}
void SyncMsgHook::HandleSyncMsg(INT64 param1, INT64 param2, INT64 param3) {
void SyncMsgHook::HandleSyncMsg(int64_t param1, int64_t param2, int64_t param3) {
nlohmann::json msg;
msg["pid"] = GetCurrentProcessId();
msg["fromUser"] =
wxhelper::wxutils::ReadSKBuiltinString(*(INT64 *)(param2 + 0x18));
msg["toUser"] =
wxhelper::wxutils::ReadSKBuiltinString(*(INT64 *)(param2 + 0x28));
msg["content"] =
wxhelper::wxutils::ReadSKBuiltinString(*(INT64 *)(param2 + 0x30));
msg["signature"] =
wxhelper::wxutils::ReadWeChatStr(*(INT64 *)(param2 + 0x48));
msg["msgId"] = *(INT64 *)(param2 + 0x60);
msg["fromUser"] = wxutils::ReadSKBuiltinString(*(int64_t *)(param2 + 0x18));
msg["toUser"] = wxutils::ReadSKBuiltinString(*(int64_t *)(param2 + 0x28));
msg["content"] = wxutils::ReadSKBuiltinString(*(int64_t *)(param2 + 0x30));
msg["signature"] = wxutils::ReadWeChatStr(*(int64_t *)(param2 + 0x48));
msg["msgId"] = *(int64_t *)(param2 + 0x60);
msg["msgSequence"] = *(DWORD *)(param2 + 0x5C);
msg["createTime"] = *(DWORD *)(param2 + 0x58);
msg["displayFullContent"] =
wxhelper::wxutils::ReadWeChatStr(*(INT64 *)(param2 + 0x50));
msg["displayFullContent"] = wxutils::ReadWeChatStr(*(int64_t *)(param2 + 0x50));
DWORD type = *(DWORD *)(param2 + 0x24);
msg["type"] = type;
if (type == 3) {
std::string img =
wxhelper::wxutils::ReadSKBuiltinBuffer(*(INT64 *)(param2 + 0x40));
std::string img = wxutils::ReadSKBuiltinBuffer(*(int64_t *)(param2 + 0x40));
SPDLOG_INFO("encode size:{}", img.size());
msg["base64Img"] = base64_encode(img);
}
@ -49,7 +44,7 @@ void SyncMsgHook::HandleSyncMsg(INT64 param1, INT64 param2, INT64 param3) {
inner_msg->buffer = new char[jstr.size() + 1];
memcpy(inner_msg->buffer, jstr.c_str(), jstr.size() + 1);
inner_msg->length = jstr.size();
std::string mode = wxhelper::Config::GetInstance().GetRecvMessageMode();
std::string mode = Config::GetInstance().GetRecvMessageMode();
if (mode == "http") {
bool add = base::ThreadPool::GetInstance().AddWork(
hook::SendHttpMsgCallback, inner_msg);
@ -59,9 +54,10 @@ void SyncMsgHook::HandleSyncMsg(INT64 param1, INT64 param2, INT64 param3) {
inner_msg);
SPDLOG_INFO("add tcp msg work:{}", add);
}
int64_t addr =
wxhelper::wxutils::GetWeChatWinBase() + wechat::offset::kDoAddMsg;
wechat::function::__DoAddMsg addMsg = (wechat::function::__DoAddMsg)addr;
addMsg(param1, param2, param3);
if (kDoAddMsg == nullptr){
int64_t addr = wxutils::GetWeChatWinBase() + wechat::offset::kDoAddMsg;
kDoAddMsg = (wechat::function::__DoAddMsg)addr;
}
kDoAddMsg(param1, param2, param3);
}
} // namespace wxhelper

4
app/wxhelper/src/sync_msg_hook.h
View File

@ -2,12 +2,14 @@
#define WXHELPER_SYNC_MSG_HOOK_H_
#include "hook.h"
#include "singleton.h"
#include "wechat_interface.h"
namespace wxhelper{
static wechat::function::__DoAddMsg kDoAddMsg= nullptr;
class SyncMsgHook : public hook::BaseHook,public base::Singleton<SyncMsgHook> {
public:
void Init();
private:
static void HandleSyncMsg(INT64 param1, INT64 param2, INT64 param3);
static void HandleSyncMsg(int64_t param1, int64_t param2, int64_t param3);
};
}