> For the complete documentation index, see [llms.txt](https://phantanloc.gitbook.io/locpt_wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://phantanloc.gitbook.io/locpt_wiki/homepage/2.it-cntt/cac-loai-ma-doc-malware.md).

# CÁC LOẠI MÃ ĐỘC (MALWARE)

**CÁC LOẠI MÃ ĐỘC (MALWARE)**

Dạo này đọc được nhiều tin Malware quá nên tôi thử phân biệt các loại malware với nhau cho dễ nhớ dễ hiểu, bác nào góp ý cách nào phân biệt hay mẹo nhớ dễ hơn không ![😁](data:image/png;base64,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)

![☄️](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABiUlEQVR42p1RM5SdYRBNFXSpgy4W+i6sky62bdu2ba5t27Zt88PdM2fWz8Kv6zH2vE4e7pn26JS8cuOEeGsz8OoNdfblE5377aoWRGIVcP3u7kkDwK+PAbcnwItrKocIzQJX7u2YeOSZ2nLrg0568w/C5T2DicSs+solbWOPP5fLb//RPgR08AMiw4EIb8DlvVl1znn6p3rxPARNrqlAYtHAlwlevISkOEZVye4FX531uwhIagPyBH+zO5ngnwNw9apKpE4MStr8Ub2/l4yu4BagAkAd+D8fTBKaxuoHjvRuMShqzRf191UJP9w2DFyi6Ro7+BcEXL4pven5EQTT3/XsupStewig+DuMhL+xtcCjX7rpwIGeFQbZZ3lKx/9NDOTXcBJ28SkZOHFTPKeeDAjm+Us/7+YBqCEJdXLxi8o0OdtUd/GA8isDAi7vfoDu4uJMvCb86lq8Ol7lJ7UxiMFD1ndcF+/YupnXJNeeVURCTigOdULF0joGm5tzQnGoEyqW1uHJzL/6AGU50r8hr6fmAAAAAElFTkSuQmCC)**Adware (Phần mềm quảng cáo độc hại)**

![👉](data:image/png;base64,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)Tự động hiển thị quảng cáo không mong muốn khi bạn truy cập internet.\
![👉](data:image/png;base64,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)Nếu nhấp vào quảng cáo, bạn có thể bị chuyển hướng đến các trang web nguy hiểm chứa mã độc.<br>

![☄️](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABiUlEQVR42p1RM5SdYRBNFXSpgy4W+i6sky62bdu2ba5t27Zt88PdM2fWz8Kv6zH2vE4e7pn26JS8cuOEeGsz8OoNdfblE5377aoWRGIVcP3u7kkDwK+PAbcnwItrKocIzQJX7u2YeOSZ2nLrg0568w/C5T2DicSs+solbWOPP5fLb//RPgR08AMiw4EIb8DlvVl1znn6p3rxPARNrqlAYtHAlwlevISkOEZVye4FX531uwhIagPyBH+zO5ngnwNw9apKpE4MStr8Ub2/l4yu4BagAkAd+D8fTBKaxuoHjvRuMShqzRf191UJP9w2DFyi6Ro7+BcEXL4pven5EQTT3/XsupStewig+DuMhL+xtcCjX7rpwIGeFQbZZ3lKx/9NDOTXcBJ28SkZOHFTPKeeDAjm+Us/7+YBqCEJdXLxi8o0OdtUd/GA8isDAi7vfoDu4uJMvCb86lq8Ol7lJ7UxiMFD1ndcF+/YupnXJNeeVURCTigOdULF0joGm5tzQnGoEyqW1uHJzL/6AGU50r8hr6fmAAAAAElFTkSuQmCC)**Bots (Bot độc hại)**

![👉](data:image/png;base64,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)Có bot tốt và bot xấu.\
![👉](data:image/png;base64,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)Bot độc hại là những chương trình tự động thực hiện các hành động gây hại như gửi spam hoặc tấn công DDoS (làm sập website bằng cách gửi quá nhiều yêu cầu truy cập cùng lúc).<br>

![☄️](data:image/png;base64,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)**Bugs (Lỗ hổng phần mềm)**

![👉](data:image/png;base64,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)Không phải lúc nào cũng là phần mềm độc hại có chủ đích, nhưng lỗi phần mềm có thể gây ra sự cố hệ thống, làm hỏng dữ liệu hoặc gây thất thoát tài chính (ví dụ: lỗi thanh toán trên trang thương mại điện tử).<br>

![☄️](data:image/png;base64,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)**Ransomware (Mã độc tống tiền)**

![👉](data:image/png;base64,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)Loại malware khóa dữ liệu hoặc hệ thống của bạn rồi yêu cầu tiền chuộc để mở khóa.\
![👉](data:image/png;base64,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)Nếu không trả tiền, bạn có thể mất quyền truy cập vào dữ liệu vĩnh viễn.<br>

![☄️](data:image/png;base64,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)**Spyware (Phần mềm gián điệp)**

![👉](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABaUlEQVR42p2TA4ydARCEa9s2otq2bSNqVNuKKpxt27Zt27alvcyztcn3C7MeIsrCvu0bOkRR6w5cu24g6ZIuZdzfpZBAm+eq0wNRW4mSznvk668eJ7+A25IrEGjzWJGeqzJlltwCvRG7/1Pcfqq2mGsT9GLyKLl+rjBdtGwg5VoRJZ2lRsclj+X6GZXvjT7ynTIfEEANKOXqc0q9+YZD+p2vbPAOBR+CQgFG8ZIu1FLGXaZAzlPAuO6NOU6dwTs5tPtuZFBluch+CEMt+2EMO3QGqVcIQmzwU6byzOR8tan/2GQpTf2Y9nvq9iEIFT/gRxRPFBAo1pnhLbKt/WFr/NA2QBFrRNLiPI/gUeSEtrnO8+8LXEaS6PBcQCW6M26LrD5CqzKbQQ22s+AJH/OBZ+VGM+PRYpECCC1HeVoEKNWbXlttPhNiHCCepzbth9j+Y9rYrURV8TGiYqA93RYO5BppFAqiQJa1HgR93FjCk1+huQAAAABJRU5ErkJggg==)Theo dõi hoạt động của người dùng mà không được phép, thu ![👉](data:image/png;base64,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)thập dữ liệu nhạy cảm như mật khẩu, số thẻ tín dụng.

<figure><img src="https://scontent-hkg1-1.xx.fbcdn.net/v/t39.30808-6/484333584_492340650617419_4287831913080379609_n.jpg?stp=dst-jpg_s600x600_tt6&#x26;_nc_cat=109&#x26;ccb=1-7&#x26;_nc_sid=aa7b47&#x26;_nc_ohc=HX5kMCjf84MQ7kNvgHoiWz6&#x26;_nc_oc=AdlUW8z_BUT3QcFy0k0_tOMJZXX_AEb1xco-LhctCHPe0iLlMJtHn2AUGbh4y_qQvbc&#x26;_nc_zt=23&#x26;_nc_ht=scontent-hkg1-1.xx&#x26;_nc_gid=X-oPVivEdzyUQPp7Vab3tw&#x26;oh=00_AYEvapMwklyPMlJd-mygqP4WNheMp8UoP5OiJ5Vkc5mPcQ&#x26;oe=67F2A57F" alt=""><figcaption></figcaption></figure>

![☄️](data:image/png;base64,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)**Trojan Horse (Mã độc Trojan)**

![👉](data:image/png;base64,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)Ngụy trang thành phần mềm hợp pháp để người dùng tự tải về và cài đặt.\
![👉](data:image/png;base64,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)Khi được kích hoạt, nó sẽ cài thêm các phần mềm độc hại khác vào thiết bị.<br>

![☄️](data:image/png;base64,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)**Virus (Virus máy tính)**

![👉](data:image/png;base64,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)Đoạn mã độc có thể lây nhiễm vào file hoặc chương trình trên máy tính, gây lỗi hệ thống.\
![👉](data:image/png;base64,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)Có thể tự nhân bản và lây lan qua email, USB hoặc file chia sẻ.<br>

![☄️](data:image/png;base64,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)**Worms (Sâu máy tính)**

![👉](data:image/png;base64,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)Giống virus nhưng nguy hiểm hơn vì có thể tự động lây lan mà không cần tương tác của người dùng.\
![👉](data:image/png;base64,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)Có thể làm nghẽn băng thông, gây tắc nghẽn mạng hoặc đánh sập máy chủ.

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