Malware-as-a-Service (MaaS): Khi tội phạm mạng trở thành một "dịch vụ" chuyên nghiệp - Chongluadao.vn

Did you know that today, someone who doesn't know a single line of code can launch a sophisticated cyberattack targeting a multi-million dollar business? No programming skills required. No security knowledge needed. Just… money and a link to the dark web.

That's the terrifying reality that the model Malware-as-a-Service (MaaS) has created, and it is completely changing the face of cybercrime worldwide, including in Vietnam. Anti-Phishing Learn about this model of professional crime.

Article table of contents hide

1. What is MaaS? In the simplest terms.

2. MaaS operating model

3. Why are MaaS so dangerous?

4. How can we protect ourselves and our organizations?

What is MaaS? In the simplest terms.

If you've ever used Netflix, Spotify, or Google Workspace, you're probably familiar with this model. SaaS (Software-as-a-Service): Pay a monthly fee and use someone else's software without having to build or maintain it yourself.

Malware-as-a-Service (MaaS) It works exactly the same way. But instead of movies or office supplies, what's being "rented" here is... malware (malware) and the entire infrastructure needed to launch a cyberattack.

To be more specific: MaaS is a business model in the underground world where highly skilled hackers develop, package, and rent out cyberattack tools, along with user manuals, 24/7 technical support, and sometimes even a "money-back guarantee if you're not satisfied."“

In the Maas model, the buyer simply pays a fee, receives the tools, and is free to attack any target they want.

MaaS operating model

To understand how MaaS works, imagine it as a software company… but operating entirely in the shadows.

MaaS Operators These are organized hacker groups, usually consisting of:

Malware programmer: writing and maintaining malware
System Management: maintain attack infrastructure
Support staffAnswering customer questions via Telegram or dark web forums.
Manage: coordinating activities and resolving disputes

Affiliates (Partners/Customers) They are the ones who hire the service. They don't need to know how to code; they just need money to buy the "attack kit" and a target in mind.

All transactions took place on dark web, payment by cryptocurrency To conceal their identities, MaaS operators offer a variety of flexible payment options:

One-off purchase: Pay a fixed amount and own the hacking tool permanently. This is usually applied to lower-tier tools or when a new version is released.
Monthly/Annual Subscription: The most common types include infostealers, keyloggers, and phishing kits. Fees typically range from $150–$1,000 per month, including the tools, management dashboard, and regular updates.
Revenue ShareThis is a typical model of Ransomware-as-a-Service (RaaS). Instead of collecting upfront fees, the operator receives 10–30% in ransom from each successful attack. The affiliate retains 70–90%, but is only paid upon successful completion of the attack. Therefore, the operator has an incentive to provide the highest quality malware.

Why are MaaS so dangerous?

Democratizing cybercrime
MaaS has broken down the technical barriers for cybercriminals.
Someone with no programming knowledge can now launch an enterprise-level attack in just a few hours, with an initial cost of a few hundred dollars.
Scale and speed of escalation
When attack tools are standardized and distributed on a massive scale, the number of attacks increases exponentially.
The same malware can be used by dozens or hundreds of affiliates simultaneously to attack thousands of targets at the same time.
Difficult to trace and assign blame
MaaS creates a barrier between the malware creator and the attacker. When an affiliate is caught, the operator can continue operating.
When the service provider is shut down, hundreds of affiliates can switch to another service immediately.
This makes prosecution and prevention extremely complicated.
Constant innovation
Competition among MaaS operators forces them to constantly innovate: avoiding antivirus software, integrating AI to create polymorphic malware (malware that modifies its structure to avoid detection), and expands to new platforms such as mobile and IoT devices.
Targeting critical infrastructure
According to the FBI, in 2024, critical infrastructure (hospitals, electricity, clean water, finance) was the top target of RaaS groups.
Top groups like Akira, LockBit, RansomHub, FOG, and PLAY are all RaaS operations.

How can we protect ourselves and our organizations?

With the rise of "malware service" models, users need to be more vigilant:

Use strong and unique passwords for each account.
- Infostealer will be useless if the password is stolen in one place and cannot be used elsewhere.
- Use a password manager to create and store complex passwords.
Enable multi-factor authentication (MFA), prioritizing physical security keys or authentication apps.
- SMS OTP is no longer secure enough against AiTM attacks.
- If possible, use a FIDO2/WebAuthn security key or at least an authentication app (Google Authenticator, Microsoft Authenticator).
Be wary of strange emails and messages.
- Phishing remains the leading intrusion method for MaaS.
- Do not click on links from unknown sources.
- Double-check the sender's email address.
- If in doubt, go directly to the official website instead of clicking a link.
Update your software regularly.
- Many types of malware exploit vulnerabilities in outdated software.
- Update your operating system, browser, and applications as soon as security patches are available.
Back up important data.
- Regularly back up your data to an external hard drive (not connected to the network) or a cloud service.
- This is the most effective "insurance" if you are attacked by ransomware.
Implement comprehensive cybersecurity solutions.
- For businesses, effective protection against MaaS requires multiple layers of defense, including: Antivirus/Anti-malware, Endpoint Detection and Response (EDR), Firewall, Intrusion Detection/Prevention System (IDS/IPS), SIEM, etc.

And most importantly, humans remain the weakest link in the system. Therefore, each individual needs to be supported. Raising awareness about information security This allows us to detect phishing and social engineering before malware can infiltrate our systems.

What is MaaS? In the simplest terms.

MaaS operating model

Why are MaaS so dangerous?

How can we protect ourselves and our organizations?

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