Multi-Architecture
x86/x86-64, ARM, PowerPC, and MIPS guests with full CPU state — GPRs, control registers, FPU/SIMD, MSRs, and hardware breakpoints.
Xion gives you the whole stack — swappable execution backends, multi-architecture CPUs, device models, OS-aware introspection, and coverage-guided full-system fuzzing — through one coherent toolchain. Here's what's inside.
Xion is built bottom-up, with a clean seam at every level. Own the CPU and the devices, understand the OS running on top, and everything above — introspection, fuzzing, analysis — gets simpler and more powerful.
Coverage-guided snapshot fuzzers, tracers, and triage tools — built as plugins that stay backend-agnostic.
Raw guest memory parsed into live views: processes, modules, page tables, symbols, and OS-aware hooks.
The structures the OS maintains for itself — processes, executables, virtual memory, kernel objects.
Boot real, unmodified images — no agent, no recompilation, no source required.
Instruction-set architectures and a library of device models — the hardware your firmware expects to find.
The swappable engine beneath everything — interpreter, LLVM JIT, or hardware virtualization.
x86/x86-64, ARM, PowerPC, and MIPS guests with full CPU state — GPRs, control registers, FPU/SIMD, MSRs, and hardware breakpoints.
Serial, PCIe, disk controllers, network cards, wifi chips, modems, and SPI/NAND flash — the peripherals firmware needs to come alive.
Walk kernel structures to recover processes, loaded modules, and address spaces from raw memory — for Windows, Linux, and more.
Resolve (cr3, rip) to module!function+offset via PDB and ELF symbols, and trap kernel API entry points for OS-aware control.
Copy-on-write demand paging resets the whole machine in microseconds, so fuzzing closed-source services runs at hundreds of thousands of cases per second.
Block-level coverage with novelty detection and energy-weighted scheduling guides mutation toward new code, automatically.
Inject crafted frames straight into the emulated NIC. Drive DNS, HTTP, and proprietary protocols exactly as they arrive on the wire.
Classify page faults, bugchecks, and bad instructions, then deduplicate by hashed call stack so 100,000 crashes collapse to the handful that matter.
Instruction-counted execution makes every run reproducible — replay a crash to the exact instruction and single-step into the root cause.
No agent inside the guest. No recompilation. No source. Xion takes the firmware image or disk you already have, emulates the hardware it expects, and brings the whole system up — BIOS or UEFI, kernel, drivers, and userland — exactly as it ships.
When the guest reaches the state you care about, snapshot it. Every run after that starts from that instant.
$ xion init router-fw.bin --arch mipsel
resolving devices … uart, spi-flash, e1000
mapping NAND … 128M
guest up · shell on uart0Enlightenment turns a flat physical address space into a structured, navigable system. Xion walks the guest's own kernel structures to enumerate processes, loaded modules, and per-process address spaces — then resolves any address to a named symbol.
That semantic view is what lets a crash report read
ntoskrnl!KiPageFault+0x1a2 instead of a bare pointer.
$ xion inspect fw.ckpt processes
PID IMAGE CR3
4 System 0x1ab000
388 services.exe 0x7c4000
612 dns.exe 0x9f2000 ← targetPlace breakpoints on kernel entry points, watch memory regions, count blocks, or emit a full instruction trace. Because instrumentation lives above the execution backend, the same hooks work whether the guest is interpreted, JIT-compiled, or virtualized.
Write it once as a plugin; run it everywhere.
$ xion trace fw.ckpt --from dns!RecvPacket
inst module!sym+off
0001 dns!RecvPacket+0x0
0002 dns!ParseQuery+0x4
0003 dns!ParseName+0x10 coveredCoverage-guided, full-system, snapshot-based. Xion forks across every core, shares a single corpus, resets the machine between cases with copy-on-write paging, and feeds new coverage back into scheduling — all without a harness stub linked into the target.
Drive it through syscalls, files, or the network card. Triage and dedup are built in.
$ xion fuzz fw.ckpt --workers 64 --net udp:53
exec/s 1.84M corpus 5,210 blocks 73,118
unique crashes 3 · deduped from 21,406Find memory-corruption bugs in closed-source services and kernels by fuzzing the real binary at scale, with crashes triaged for you.
Bring up routers, IoT devices, and proprietary appliances from a flash dump — even when there's no debugger and no documentation.
Replay and mutate traffic straight into the emulated NIC to hammer DNS, HTTP, and proprietary protocols against the running system.
Detonate samples in a fully isolated, deterministic machine and watch them with OS-aware hooks they can't see or evade.
Replay any crash to the exact instruction, single-step into the fault, and resolve the call stack to named symbols.
Model new device behavior and validate software against it long before hardware exists, then keep the model for regression testing.
Xion is licensed by Crystal Peak Security to vetted research teams. Pick the tier that fits and request access.