“Infinite HP and Gold? Is that possible?” Case of blocking game variable manipulation with LIAPP revealed
When developing and operating mobile games, one thing becomes clear. Hackers always try to manipulate the game in new ways.
Among them, one of the most frequently attempted hacking methods is in-game variable manipulation. This is a method of destroying the game balance by arbitrarily changing important figures such as HP, gold, score, experience, and cooldown.
Most of this manipulation is done with tools such as Game Guardian and Cheat Engine. However, now, there is a way to detect and block such attempts in real time. It is through the mobile app security service ‘LIAPP’.
Today, we will introduce a case.
How do game variables manipulated with hacking tools work?
Tools that manipulate the game’s internal data work in the following way.
How to use Game Guardian / Cheat Engine:
1. Scan variables (e.g. HP 100) that the game app has loaded into memory
2. Find the address and manipulate it in real time (e.g. HP → 999999)
3. Change variable values to enable abnormal play such as infinite health, infinite gold, etc.
4. Repackage the app or perform automatic repetition through a script
This method is easy for anyone on a rooted device,
and can be fatally damaging, especially in single-player games or games with loose synchronization with the server.
LIAPP's real-time memory protection function
LIAPP is a security solution that goes beyond the level of general app protection and can detect and block memory modification that occurs during app execution in real time.
• Memory integrity verification: Detects changes in the address and value of important variables while the app is running
• Real-time hooking detection: Immediately blocks external tools when they access memory or attempt to change values
• Suspicious process detection: Forces the app to terminate or block it when running GameGuardian, Cheat Engine, etc.
• Automatic recovery: Initializes the app status or terminates a specific session when an abnormality occurs
• Blocks rooted/jailbroken devices: Processes environments with a high possibility of memory manipulation as unexecutable
Actual application case: Mobile RPG game that blocks variable manipulation in real time
Idle RPG games that are popular in Korea were structured around a numerical growth system such as gold, experience points, and item drop rates.
However, immediately after the release, a post saying, "Easily manipulate gold with Game Guardian" spread through the user community, and the gap between normal users and hacking users rapidly widened.
Key Issues
• Infinite gold manipulation → sharp drop in value of paid items
• Emergence of PvP imbalanced users due to HP manipulation
• Infinite skill cooldown manipulation → Balance collapse
• Community complaints skyrocket and many refund requests
Response: Introduction of LIAPP and application of memory protection
• Automatic termination of app when GameGuardian is executed
• Application of memory integrity verification for important variables (HP, gold, experience points)
• App log recording and automatic reporting in case of hooking attempt
• Activation of rooting detection and security warning message output function
Results
• Blocking of over 95% of manipulated users
• Recovery of app market review rating (★2.9 → ★4.4)
• Increase in positive feedback such as “hacking doesn’t work” and “security is great” on the official cafe
• Recovery of over 30% of paid item sales
The vitality of a game starts with blocking variable manipulation
It is difficult to make a game completely free from hacking, but the fairness and profitability of the game can be noticeably improved simply by protecting key figures from being manipulated. LIAPP's real-time memory protection technology goes beyond simply preventing hacking, and is the core of security that protects the game's lifespan, user trust, and sales stability.
Game security, can't be delayed any longer
"I'm playing a game alone, so can I use hacks?" That's not true. Hacking is not something you do alone, but an act that destroys a fair ecosystem.
In an era where a single hacker's manipulation script spreads to thousands of people, the answer is now not post-response, but preemptive blocking.
LIAPP blocks hackers before they even touch your memory. With real-time detection, tampering blocking, and powerful hooking prevention, it will be the weapon that protects your game the safest.
LIAPP's fair game world, start now.
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