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This commit is contained in:
hugy 2023-02-17 14:47:06 +08:00
parent 9e5dce93f0
commit 3ed52a7dbc
2 changed files with 283 additions and 0 deletions
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275
src/search_contact.cc Normal file
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#include "pch.h"
#include "search_contact.h"
#include "common.h"
#include "wechat_data.h"
#define WX_SEARCH_CONTACT_ERROR_CODE_HOOK_OFFSeT 0xd94d1e
#define WX_SEARCH_CONTACT_ERROR_CODE_HOOK_NEXT_OFFSeT 0xed13a0
#define WX_SEARCH_CONTACT_DETAIL_HOOK_OFFSeT 0xa2a260
#define WX_SEARCH_CONTACT_DETAIL_HOOK_NEXT_OFFSeT 0xa2a4c0
#define WX_SEARCH_CONTACT_OFFSeT 0xc5bb00
#define WX_SEARCH_CONTACT_MGR_OFFSeT 0xa0d550
static BOOL kSearchContactHooked = false;
static char kHookSearchContactErrcodeOldAsm[5] = {0};
static char kHookUserInfoOldAsm[5] = {0};
static DWORD kWeChatWinBase = GetWeChatWinBase();
static DWORD kHookSearchContactErrcodeNextAddr =
kWeChatWinBase + WX_SEARCH_CONTACT_ERROR_CODE_HOOK_NEXT_OFFSeT;
static DWORD kHookSearchContactErrcodeAddr =
kWeChatWinBase + WX_SEARCH_CONTACT_ERROR_CODE_HOOK_OFFSeT;
static DWORD kHookSearchContactErrcodeJmpBackAddr =
kHookSearchContactErrcodeAddr + 0x5;
static DWORD kHookUserInfoNextAddr =
kWeChatWinBase + WX_SEARCH_CONTACT_DETAIL_HOOK_NEXT_OFFSeT;
static DWORD kHookUserInfoAddr =
kWeChatWinBase + WX_SEARCH_CONTACT_DETAIL_HOOK_OFFSeT;
static DWORD kHookUserInfoJmpBackAddr = kHookUserInfoAddr + 0x5;
static UserInfo userinfo;
void SetErrorCode(int code) { userinfo.error_code = code; }
void SetUserInfoDetail(DWORD address) {
DWORD length = *(DWORD *)(address + 0x8);
userinfo.keyword = new wchar_t[length + 1];
userinfo.keyword_len = length;
if (length) {
memcpy(userinfo.keyword, (wchar_t *)(*(DWORD *)(address + 0x4)),
(length + 1) * sizeof(wchar_t));
} else {
ZeroMemory(userinfo.keyword, (length + 1) * sizeof(wchar_t));
}
length = *(DWORD *)(address + 0x1C);
userinfo.v3 = new wchar_t[length + 1];
userinfo.v3_len = length;
if (length) {
memcpy(userinfo.v3, (wchar_t *)(*(DWORD *)(address + 0x18)),
(length + 1) * sizeof(wchar_t));
}else {
ZeroMemory(userinfo.v3, (length + 1) * sizeof(wchar_t));
}
length = *(DWORD *)(address + 0x30);
userinfo.big_image = new wchar_t[length + 1];
userinfo.big_image_len = length;
if (length) {
memcpy(userinfo.big_image, (wchar_t *)(*(DWORD *)(address + 0x2C)),
(length + 1) * sizeof(wchar_t));
} else {
ZeroMemory(userinfo.big_image, (length + 1) * sizeof(wchar_t));
}
length = *(DWORD *)(address + 0xC8);
userinfo.nickname = new wchar_t[length + 1];
userinfo.nickname_len = length;
if (length) {
memcpy(userinfo.nickname, (wchar_t *)(*(DWORD *)(address + 0xC4)),
(length + 1) * sizeof(wchar_t));
}else {
ZeroMemory(userinfo.nickname, (length + 1) * sizeof(wchar_t));
}
length = *(DWORD *)(address + 0x108);
userinfo.v2 = new wchar_t[length + 1];
userinfo.v2_len = length;
if (length) {
memcpy(userinfo.v2, (wchar_t *)(*(DWORD *)(address + 0x104)),
(length + 1) * sizeof(wchar_t));
}else {
ZeroMemory(userinfo.v2, (length + 1) * sizeof(wchar_t));
}
length = *(DWORD *)(address + 0x16C);
userinfo.small_image = new wchar_t[length + 1];
userinfo.small_image_len = length;
if (length) {
memcpy(userinfo.small_image, (wchar_t *)(*(DWORD *)(address + 0x168)),
(length + 1) * sizeof(wchar_t));
}else {
ZeroMemory(userinfo.small_image, (length + 1) * sizeof(wchar_t));
}
length = *(DWORD *)(address + 0x1F8);
userinfo.signature = new wchar_t[length + 1];
userinfo.signature_len = length;
if (length) {
memcpy(userinfo.signature, (wchar_t *)(*(DWORD *)(address + 0x1F4)),
(length + 1) * sizeof(wchar_t));
} else {
ZeroMemory(userinfo.signature, (length + 1) * sizeof(wchar_t));
}
length = *(DWORD *)(address + 0x20C);
userinfo.nation = new wchar_t[length + 1];
userinfo.nation_len = length;
if (length) {
memcpy(userinfo.nation, (wchar_t *)(*(DWORD *)(address + 0x208)),
(length + 1) * sizeof(wchar_t));
} else {
ZeroMemory(userinfo.nation, (length + 1) * sizeof(wchar_t));
}
length = *(DWORD *)(address + 0x220);
userinfo.province = new wchar_t[length + 1];
userinfo.province_len = length;
if (length) {
memcpy(userinfo.province, (wchar_t *)(*(DWORD *)(address + 0x21C)),
(length + 1) * sizeof(wchar_t));
} else {
ZeroMemory(userinfo.province, (length + 1) * sizeof(wchar_t));
}
length = *(DWORD *)(address + 0x234);
userinfo.city = new wchar_t[length + 1];
userinfo.city_len = length;
if (length) {
memcpy(userinfo.city, (wchar_t *)(*(DWORD *)(address + 0x230)),
(length + 1) * sizeof(wchar_t));
} else {
ZeroMemory(userinfo.city, (length + 1) * sizeof(wchar_t));
}
userinfo.sex = *(DWORD *)(address + 0x1BC);
userinfo.over = true;
}
static void DeleteUserInfoCache() {
if (userinfo.keyword) {
delete userinfo.keyword;
}
if (userinfo.v2) {
delete userinfo.v2;
}
if (userinfo.v3) {
delete userinfo.v3;
}
if (userinfo.nickname) {
delete userinfo.nickname;
}
if (userinfo.nation) {
delete userinfo.nation;
}
if (userinfo.province) {
delete userinfo.province;
}
if (userinfo.city) {
delete userinfo.city;
}
if (userinfo.signature) {
delete userinfo.signature;
}
if (userinfo.small_image) {
delete userinfo.small_image;
}
if (userinfo.big_image) {
delete userinfo.big_image;
}
ZeroMemory(&userinfo, sizeof(UserInfo));
userinfo.error_code = 1;
}
__declspec(naked) void HandleErrorCode() {
__asm {
pushad;
pushfd;
push edi;
call SetErrorCode;
add esp, 0x4;
popfd;
popad;
call kHookSearchContactErrcodeNextAddr;
jmp kHookSearchContactErrcodeJmpBackAddr;
}
}
__declspec(naked) void HandleUserInfoDetail() {
__asm {
pushad;
pushfd;
push dword ptr [ebp + 0x14];
call SetUserInfoDetail;
add esp, 0x4;
popfd;
popad;
call kHookUserInfoNextAddr;
jmp kHookUserInfoJmpBackAddr;
}
}
int SearchContactNetScene(wchar_t *keyword,UserInfo ** user) {
int success = -1;
HookSearchContact();
DeleteUserInfoCache();
DWORD base = GetWeChatWinBase();
DWORD search_contact_mgr_addr = base + WX_SEARCH_CONTACT_MGR_OFFSeT;
DWORD search_contact_addr = base + WX_SEARCH_CONTACT_OFFSeT;
WeChatString key(keyword);
__asm {
pushad;
pushfd;
call search_contact_mgr_addr;
lea ebx, key;
push ebx;
mov ecx, eax;
call search_contact_addr;
popfd;
popad;
}
success = 1;
while (userinfo.error_code == 1 && kSearchContactHooked) {
Sleep(20);
}
if (userinfo.error_code == 0) {
while (userinfo.over == false && kSearchContactHooked) {
Sleep(20);
}
}
*user= &userinfo;
return success;
}
int HookSearchContact() {
kWeChatWinBase = GetWeChatWinBase();
if (!kWeChatWinBase) {
return -1;
}
if (kSearchContactHooked) {
return 2;
}
kHookSearchContactErrcodeNextAddr =
kWeChatWinBase + WX_SEARCH_CONTACT_ERROR_CODE_HOOK_NEXT_OFFSeT;
kHookSearchContactErrcodeAddr =
kWeChatWinBase + WX_SEARCH_CONTACT_ERROR_CODE_HOOK_OFFSeT;
kHookSearchContactErrcodeJmpBackAddr = kHookSearchContactErrcodeAddr + 0x5;
kHookUserInfoNextAddr =
kWeChatWinBase + WX_SEARCH_CONTACT_DETAIL_HOOK_NEXT_OFFSeT;
kHookUserInfoAddr = kWeChatWinBase + WX_SEARCH_CONTACT_DETAIL_HOOK_OFFSeT;
kHookUserInfoJmpBackAddr = kHookUserInfoAddr + 0x5;
HookAnyAddress(kHookSearchContactErrcodeAddr,
(LPVOID)HandleErrorCode,
kHookSearchContactErrcodeOldAsm);
HookAnyAddress(kHookUserInfoAddr, (LPVOID)HandleUserInfoDetail, kHookUserInfoOldAsm);
kSearchContactHooked = true;
return 1;
}
int UnHookSearchContact() {
if (!kSearchContactHooked) return 2;
UnHookAnyAddress(kHookSearchContactErrcodeAddr,
kHookSearchContactErrcodeOldAsm);
UnHookAnyAddress(kHookUserInfoAddr, kHookUserInfoOldAsm);
kSearchContactHooked = false;
return 1;
}

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src/search_contact.h Normal file
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#ifndef SEARCH_CONTACT_H_
#define SEARCH_CONTACT_H_
#include "wechat_data.h"
int SearchContactNetScene(wchar_t *keyword,UserInfo ** user);
int HookSearchContact();
int UnHookSearchContact();
#endif