Summary:WannaCry is a ransomware worm that exploits SMB V1 vulnerability (CVE-2017-0144) and caused a worldwide cyberattack by encrypting data and demanding ransom payments in Bitcoins from computers running Microsoft Windows. In May 2017, WannaCry made headlines when it infected the National Health Service (NHS) and other organizations across the
What is Fileless Malware?The phrase "fileless malware" refers to a type of malware that does not require a file to be used to execute the code; instead, it leverages the resources already present on the file system of the endpoint. It is typically injected into some running process and
Introduction:Rootkits are covert computer programs designed to provide unrestricted access to a computer without being detected. The term "Rootkit" is the combination of the words "root" and "kit." Originally, rootkits were the tools that granted administrators access to a computer system or network. "Root" is the term used to
ScenarioAn organization was hacked using the SQL injection and database access through its website. After penetrating the network and machine, the attacker created an account named “daemon” and then escalated the privileges to obtain more control of the network. Then the attacker injected a malware file called “hackit.exe” into
What is Ransomware?Ransomware is malware that infects a computer, restricts users’ access to their device, and threatens to publish a victim's personal information, usually by encryption, to meet the demands. The motivation is typically monetary. Ransomware variants often attempt to extort money from victims by displaying an on-screen alert.