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https://dev.lirent.ru/Vatrog/vm-introspection-engine.git
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lirent
c36ffe295d
All are OS-agnostic handlers keyed by vmie_mem* + cr3, built on the windowed sweep / region walk / matcher; none names a Windows concept and each compiles against include/ alone. Scanning: a compiled multi-pattern automaton (Aho-Corasick over each pattern's longest literal anchor, then a masked verify) finds N signatures in one sweep pass (sigscan.h sigset; scan.h gva_sig_scan_multi). gva_code_xref decodes rel32 call/jmp and RIP-relative lea/mov to find every instruction targeting a given VA. Pointer graph (pmap.h): one sweep indexes every qword whose value lands in a mapped region into reverse + forward edges. pmap_referrers is the keystone - it answers who-points-here, class-instance enumeration (referrers of a vtable VA), and string xref (referrers of a string VA) from the same index; pmap_paths is the indexed counterpart to scan_pointer's one-shot DFS; struct_dissect classifies the qwords of an instance (pointer/vtable/float/ int/string) into a field map. Temporal (snapdiff.h): snap_take captures a window's bytes, snap_diff reports the changed runs against a later read.
60 lines
2.6 KiB
CMake
60 lines
2.6 KiB
CMake
cmake_minimum_required(VERSION 3.18) # find_program(... REQUIRED)
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project(vmi-engine C)
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set(CMAKE_C_STANDARD 17) # generation B uses no C23 feature
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set(CMAKE_C_STANDARD_REQUIRED ON)
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set(CMAKE_C_EXTENSIONS ON) # deliberate: strnlen (POSIX) + void* arithmetic (GNU)
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option(VMIE_LTO "Enable LTO" OFF) # build-only; shipped default is -O2, no LTO
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# ---- host: VMI core as a static library ---------------------------------
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add_library(vmie STATIC
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src/core/gpa.c
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src/engine/gva.c
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src/engine/sigphys.c
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src/engine/win32/host.c
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src/engine/win32/pe.c
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src/engine/win32/proc.c
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src/engine/win32/profile.c
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src/engine/win32/text.c
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src/handlers/scan.c
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src/handlers/sigscan.c
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src/handlers/sigset.c
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src/handlers/codescan.c
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src/handlers/pmap.c
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src/handlers/snapdiff.c)
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target_include_directories(vmie
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PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include # public API: include/*.h
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PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/core/include # private: core.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/engine/include # private: engine-arch.h, pe.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/engine/win32) # private: engine-win32.h, contract.h
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target_compile_options(vmie PRIVATE -O2 -Wall -Wextra)
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if(VMIE_LTO)
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target_compile_options(vmie PRIVATE -flto)
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target_link_options(vmie PRIVATE -flto)
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endif()
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# ---- host: CLI demonstrator over the library ----------------------------
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add_executable(vmie_cli src/cli.c)
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target_link_libraries(vmie_cli PRIVATE vmie) # public include/ comes via vmie (PUBLIC)
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target_compile_options(vmie_cli PRIVATE -Wall -Wextra)
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# ---- host: dump-scan demonstrator (OS-agnostic, no win32) ----------------
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add_executable(vmie_scan src/scan_cli.c)
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target_link_libraries(vmie_scan PRIVATE vmie)
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target_compile_options(vmie_scan PRIVATE -Wall -Wextra)
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# ---- guest: cross-compile to Windows x86-64 via mingw-w64 ---------------
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find_program(MINGW_CC NAMES x86_64-w64-mingw32-gcc REQUIRED)
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set(VMIE_STARTUP ${CMAKE_CURRENT_BINARY_DIR}/vmie-startup.exe)
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add_custom_command(
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OUTPUT ${VMIE_STARTUP}
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COMMAND ${MINGW_CC} -O2 -Wall -Wextra -static -s
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-I${CMAKE_CURRENT_SOURCE_DIR}/src/engine/win32
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-o ${VMIE_STARTUP} ${CMAKE_CURRENT_SOURCE_DIR}/src/engine/win32/guest.c
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/src/engine/win32/guest.c
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${CMAKE_CURRENT_SOURCE_DIR}/src/engine/win32/contract.h
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COMMENT "Cross-compiling vmie-startup.exe (mingw-w64, x86-64)"
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VERBATIM)
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add_custom_target(vmie-startup ALL DEPENDS ${VMIE_STARTUP})
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