Botnets
5 important questions on Botnets
What newly features does new malware consist of by which it is harder to detect?
- Polymorphic - Bulk of the program code is obfuscated and changes between successive infections
- Metamorphic - Completely changes its shape between infections.
What technique is designed to make it harder to find C&C servers from botnets? What 2 fundamenntal approaches exist?
- Addresses are algorithmically derived, normally based on the current time as seed to the computation.
- Dynamic addresses can be based on recent externally available information as the seed of the calculation.
What strategy is used to increase the resilience of their systems? (Besides DGA)
This technique can be combined with a group of hosts forwarding packets into blind proxy redirection, here the pool of IP addresses obtained from the domain name resolution is not pointing to the actual location of the malicious content, but to a set of intermedia nodes.
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How does the double fluxed design strategy work with botnet design?
What C&C techniques exist besides centralized?
- Decentralized (P2P
- Hybrid
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