Malware has different purposes. Banking malware needs to stay in the system and monitor browser activities. A keylogger needs to stay in the system to monitor keystrokes. Ransomware encrypts files on the disk. All the various goals of malware cannot be achieved instantly in a minute, maybe not even in days. In the case of APTs (advanced persistent threats), the malware might need months, if not years, to carry out their desired goals. To run for long periods of time, malware needs to make sure that it persists across system reboots, multiple user logins, system shutdowns, and so forth. To provide this kind of resilience, malware implements various persistence mechanisms.
CITATION STYLE
Mohanta, A., & Saldanha, A. (2020). Persistence Mechanisms. In Malware Analysis and Detection Engineering (pp. 213–236). Apress. https://doi.org/10.1007/978-1-4842-6193-4_8
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