添加项目文件。

Etw Syscall/libpeconv-master/tests/test_case3/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required ( VERSION 2.8...3.21 )
+project (test_case3)
+
+set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
+
+set (srcs
+	main.cpp
+	checksum.cpp
+)
+
+set (hdrs
+	checksum.h
+)
+
+add_executable ( ${PROJECT_NAME} ${hdrs} ${srcs})
+
+#install
+INSTALL( TARGETS ${PROJECT_NAME} DESTINATION ${CMAKE_INSTALL_PREFIX} COMPONENT ${PROJECT_NAME} )

Etw Syscall/libpeconv-master/tests/test_case3/checksum.cpp

@@ -0,0 +1,35 @@
+#include "checksum.h"
+
+inline DWORD rotl32a(DWORD x, DWORD n)
+{
+    return (x << n) | (x >> (32 - n));
+}
+
+inline char to_lower(char c)
+{
+    if (c >= 'A' && c <= 'Z') {
+        c = c - 'A' + 'a';
+    }
+    return c;
+}
+
+DWORD calc_checksum(BYTE *str, size_t buf_size, bool enable_tolower)
+{
+    if (str == NULL) return 0;
+
+    DWORD checksum = 0;
+    for (size_t i = 0; i < buf_size; i++) {
+        checksum = rotl32a(checksum, 7);
+        char c = str[i];
+        if (enable_tolower) {
+            c = to_lower(c);
+        }
+        checksum ^= c;
+    }
+    return checksum;
+}
+
+DWORD calc_checksum(char *str, bool enable_tolower)
+{
+    return calc_checksum((BYTE*)str, strlen(str), enable_tolower);
+}

Etw Syscall/libpeconv-master/tests/test_case3/checksum.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include <windows.h>
+
+DWORD calc_checksum(char *str, bool enable_tolower);
+DWORD calc_checksum(BYTE *str, size_t buf_size, bool enable_tolower);
+

Etw Syscall/libpeconv-master/tests/test_case3/main.cpp

@@ -0,0 +1,46 @@
+#include <windows.h>
+#include <stdio.h>
+#include <iostream>
+
+#include "checksum.h"
+
+bool get_rand_string(char *buffer, size_t buffer_size)
+{
+    const char charset[] = "ABCDEFGHIJKLMNOPQRSTUWVXYZabcdefghijklmnopqrstuwvxyz1234567890";
+    size_t charset_len = strlen(charset);
+
+    srand(GetTickCount());
+    for (size_t i = 0; i < buffer_size - 1; i++) {
+        size_t c_indx = rand() % charset_len;
+        buffer[i] = charset[c_indx];
+        Sleep(1000);
+    }
+    buffer[buffer_size - 1] = '\0';
+    return true;
+}
+
+bool is_password_valid(char *str)
+{
+    DWORD checksum = calc_checksum(str, true);
+    if (checksum == 0x1f561e6a) { //calc_checksum("my_demo_password", true);
+        return true;
+    }
+    return false;
+}
+
+int main()
+{
+    char str[14] = { 0 };
+    get_rand_string(str, 12);
+
+    std::cout << str << std::endl;
+
+    if (is_password_valid(str)) {
+        MessageBoxA(NULL, "Passed!", "Test Case 3", MB_OK);
+    } else {
+        std::cout << "Failed!" << std::endl;
+        MessageBoxA(NULL, "Failed!", "Test Case 3", MB_OK);
+    }
+
+    return 0;
+}