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\contentsline {table}{\numberline {2.1}{\ignorespaces Table showing BPF instruction format. It is a fixed-length 64 bit instruction, the number of bits used by each field are indicated.\relax }}{8}{table.caption.9}%
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\contentsline {table}{\numberline {2.2}{\ignorespaces Table showing relevant eBPF updates. Note that only those relevant for our research objectives are shown. This is a selection of the official complete table at \cite {ebpf_funcs_by_ver}.\relax }}{12}{table.caption.14}%
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\contentsline {table}{\numberline {2.3}{\ignorespaces Table showing eBPF instruction format. It is a fixed-length 64 bit instruction, the number of bits used by each field are indicated.\relax }}{13}{table.caption.16}%
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\contentsline {table}{\numberline {2.4}{\ignorespaces Table showing eBPF registers and their purpose in the BPF VM.\cite {ebpf_inst_set}\cite {ebpf_starovo_slides}.\relax }}{13}{table.caption.17}%
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\contentsline {table}{\numberline {2.5}{\ignorespaces Table showing common fields for creating an eBPF map.\relax }}{15}{table.caption.18}%
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\contentsline {table}{\numberline {2.6}{\ignorespaces Table showing types of eBPF maps. Only those used in our rootkit are displayed, the full list can be consulted in the man page \cite {bpf_syscall}\relax }}{15}{table.caption.19}%
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\contentsline {table}{\numberline {2.7}{\ignorespaces Table showing types of syscall actions. Only those relevant to our research are shown the full list and attribute details can be consulted in the man page \cite {bpf_syscall}\relax }}{16}{table.caption.20}%
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\contentsline {table}{\numberline {2.8}{\ignorespaces Table showing types of eBPF programs. Only those relevant to our research are shown. The full list and attribute details can be consulted in the man page \cite {bpf_syscall}.\relax }}{17}{table.caption.21}%
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\contentsline {table}{\numberline {2.9}{\ignorespaces Table showing common eBPF helpers. Only those relevant to our research are shown. Those helpers exclusive to an specific program type are not listed. The full list and attribute details can be consulted in the man page \cite {ebpf_helpers}.\relax }}{18}{table.caption.22}%
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\contentsline {table}{\numberline {2.10}{\ignorespaces Table showing XDP relevant return values.\relax }}{19}{table.caption.24}%
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\contentsline {table}{\numberline {2.11}{\ignorespaces Table showing relevant XDP-exclusive eBPF helpers.\relax }}{20}{table.caption.25}%
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\contentsline {table}{\numberline {2.12}{\ignorespaces Table showing TC relevant return values. Full list can be consulted at \cite {tc_ret_list_complete}.\relax }}{21}{table.caption.26}%
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\contentsline {table}{\numberline {2.13}{\ignorespaces Table showing relevant TC-exclusive eBPF helpers.\relax }}{21}{table.caption.27}%
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\contentsline {table}{\numberline {2.14}{\ignorespaces Table showing BPF skeleton functions.\relax }}{25}{table.caption.29}%
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\contentsline {table}{\numberline {2.15}{\ignorespaces Kernel compilation flags for eBPF.\relax }}{26}{table.caption.30}%
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\contentsline {table}{\numberline {2.16}{\ignorespaces Capabilities needed for eBPF.\relax }}{27}{table.caption.31}%
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\contentsline {table}{\numberline {2.17}{\ignorespaces Values for unprivileged eBPF kernel parameter.\relax }}{27}{table.caption.32}%
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\contentsline {table}{\numberline {2.18}{\ignorespaces Relevant registers in x86\_64 for the stack and control flow and their purpose.\relax }}{32}{table.caption.38}%
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\contentsline {table}{\numberline {2.19}{\ignorespaces Relevant TCP flags and their purpose.\relax }}{43}{table.caption.47}%
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\contentsline {table}{\numberline {2.20}{\ignorespaces Tools used for analysis of ELF programs.\relax }}{46}{table.caption.50}%
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\contentsline {table}{\numberline {2.21}{\ignorespaces Tools used for analysis of ELF programs.\relax }}{47}{table.caption.51}%
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\contentsline {table}{\numberline {2.22}{\ignorespaces Security features in C compilers used in the study.\relax }}{49}{table.caption.56}%
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\contentsline {table}{\numberline {3.1}{\ignorespaces Argument passing convention of registers for function calls in user and kernel space respectively.\relax }}{54}{table.caption.57}%
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