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In computer programming, DLL injection is a technique used for running code within the address space of another process by forcing it to load a dynamic-link library. [1] DLL injection is often used by external programs to influence the behavior of another program in a way its authors did not anticipate or intend.
DLL hell was a very common phenomenon on pre-Windows NT versions of Microsoft operating systems, the primary cause being that the 16-bit operating systems did not restrict processes to their own memory space, thereby not allowing them to load their own version of a shared module that they were compatible with.
Successful exploitation of a code injection vulnerability can result in data breaches, access to restricted or critical computer systems, and the spread of malware. Code injection vulnerabilities occur when an application sends untrusted data to an interpreter, which then executes the injected text as code.
CrySyS stated in their report that "sKyWIper is certainly the most sophisticated malware we encountered during our practice; arguably, it is the most complex malware ever found". [77] August 16: Shamoon is a computer virus designed to target computers running Microsoft Windows in the energy sector. Symantec, Kaspersky Lab, and Seculert ...
dll mui sys scr cpl ocx ax iec ime rs tsp fon efi DOS MZ executable and its descendants (including NE and PE) 53 4D 53 4E 46 32 30 30: SMSNF200: 0 ssp SmartSniff Packets File [22] 5A 4D: ZM: 0 exe DOS ZM executable and its descendants (rare) 50 4B 03 04 50 4B 05 06 (empty archive) 50 4B 07 08 (spanned archive) PK␃␄ PK␅␆ PK␇␈ 0 zip ...
A DLL file often has file extension.dll, but can have any file extension. Developers can choose to use a file extension that describes the content of the file such as .ocx for ActiveX controls and .drv for a legacy (16-bit) device driver. A DLL that contains only resources can be called a resource DLL.
Address space layout randomization (ASLR) is a computer security technique involved in preventing exploitation of memory corruption vulnerabilities. [1] In order to prevent an attacker from reliably redirecting code execution to, for example, a particular exploited function in memory, ASLR randomly arranges the address space positions of key data areas of a process, including the base of the ...
On June 22, 2016, Necurs released a new version of Locky with a new loader component, which includes several detection-avoiding techniques, such as detecting whether it is running within a virtual machine or within a physical machine, and relocation of instruction code.