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\contentsline {chapter}{\numberline {1}Introduction}{1}{chapter.1}%
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\contentsline {section}{\numberline {1.1}Motivation}{1}{section.1.1}%
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\contentsline {section}{\numberline {1.2}Project objectives}{3}{section.1.2}%
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\contentsline {section}{\numberline {1.3}Regulatory framework}{4}{section.1.3}%
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\contentsline {subsection}{\numberline {1.3.1}Social and economic environment}{4}{subsection.1.3.1}%
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\contentsline {subsection}{\numberline {1.3.2}Budget}{4}{subsection.1.3.2}%
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\contentsline {section}{\numberline {1.4}Structure of the document}{4}{section.1.4}%
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\contentsline {chapter}{\numberline {2}State of the art}{5}{chapter.2}%
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\contentsline {section}{\numberline {2.1}eBPF history - Classic BPF}{5}{section.2.1}%
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\contentsline {subsection}{\numberline {2.1.1}Introduction to the BPF system}{5}{subsection.2.1.1}%
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\contentsline {subsection}{\numberline {2.1.2}The BPF virtual machine}{6}{subsection.2.1.2}%
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\contentsline {subsection}{\numberline {2.1.3}Analysis of a BPF filter program}{7}{subsection.2.1.3}%
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\contentsline {subsection}{\numberline {2.1.4}BPF bytecode instruction format}{8}{subsection.2.1.4}%
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\contentsline {subsection}{\numberline {2.1.5}An example of BPF filter with tcpdump}{10}{subsection.2.1.5}%
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\contentsline {section}{\numberline {2.2}Analysis of modern eBPF}{11}{section.2.2}%
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\contentsline {subsection}{\numberline {2.2.1}eBPF instruction set}{13}{subsection.2.2.1}%
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\contentsline {subsection}{\numberline {2.2.2}JIT compilation}{13}{subsection.2.2.2}%
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\contentsline {subsection}{\numberline {2.2.3}The eBPF verifier}{14}{subsection.2.2.3}%
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\contentsline {subsection}{\numberline {2.2.4}eBPF maps}{15}{subsection.2.2.4}%
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\contentsline {subsection}{\numberline {2.2.5}The eBPF ring buffer}{16}{subsection.2.2.5}%
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\contentsline {subsection}{\numberline {2.2.6}The bpf() syscall}{16}{subsection.2.2.6}%
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\contentsline {subsection}{\numberline {2.2.7}eBPF helpers}{17}{subsection.2.2.7}%
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\contentsline {section}{\numberline {2.3}eBPF program types}{18}{section.2.3}%
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\contentsline {subsection}{\numberline {2.3.1}XDP}{18}{subsection.2.3.1}%
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\contentsline {subsection}{\numberline {2.3.2}Traffic Control}{20}{subsection.2.3.2}%
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\contentsline {subsection}{\numberline {2.3.3}Tracepoints}{21}{subsection.2.3.3}%
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\contentsline {subsection}{\numberline {2.3.4}Kprobes}{22}{subsection.2.3.4}%
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\contentsline {subsection}{\numberline {2.3.5}Uprobes}{22}{subsection.2.3.5}%
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\contentsline {section}{\numberline {2.4}Developing eBPF programs}{23}{section.2.4}%
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\contentsline {subsection}{\numberline {2.4.1}BCC}{23}{subsection.2.4.1}%
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\contentsline {subsection}{\numberline {2.4.2}Bpftool}{24}{subsection.2.4.2}%
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\contentsline {subsection}{\numberline {2.4.3}Libbpf}{24}{subsection.2.4.3}%
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\contentsline {chapter}{\numberline {3}Analysis of offensive capabilities}{27}{chapter.3}%
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\contentsline {section}{\numberline {3.1}Security features in eBPF}{27}{section.3.1}%
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\contentsline {subsection}{\numberline {3.1.1}Access control}{28}{subsection.3.1.1}%
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\contentsline {subsection}{\numberline {3.1.2}eBPF maps security}{30}{subsection.3.1.2}%
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\contentsline {section}{\numberline {3.2}Abusing tracing programs}{30}{section.3.2}%
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\contentsline {subsection}{\numberline {3.2.1}Access to function arguments}{30}{subsection.3.2.1}%
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\contentsline {section}{\numberline {3.3}Memory corruption}{32}{section.3.3}%
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\contentsline {subsection}{\numberline {3.3.1}Accessing user memory}{32}{subsection.3.3.1}%
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\contentsline {chapter}{\numberline {4}Methods??}{33}{chapter.4}%
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\contentsline {chapter}{\numberline {5}Results}{34}{chapter.5}%
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\contentsline {chapter}{\numberline {6}Conclusion and future work}{35}{chapter.6}%
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\contentsline {chapter}{Bibliography}{36}{chapter.6}%
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