Static Unpacking for VMProtect 3.9.5: the Rotating-XOR Layer
Static unpacking for VMProtect 3.9.5, reversing the rotating-XOR decryption layer to recover the protected binary without ever running it, for anyone reversing similar targets.
Tag: vmp
A General Approach to Defeating VMProtect-Style Code Virtualization - JIT Tracing, Equivalence Rewriting, and Handler Matching
A general approach to defeating VMProtect-style code virtualization: JIT tracing, equivalence rewriting, and handler matching, with the commands and code included.
Manually De-virtualizing a VMP 3.9.4 cmp/jne Handler Sequence
Manually de-virtualizing a VMProtect 3.9.4 cmp-jne handler sequence, tracing the handlers to recover the original comparison logic, with a full walkthrough of the technique.
VMProtect 3.8.1 Obfuscation Strategies Explained
VMProtect 3.8.1 obfuscation strategies, cataloging the transformation techniques it applies to protected code and how each complicates analysis, and the gotchas flagged along the way.
Reversing ARM64 VMP: Virtual Instructions, Virtual Registers, and De-virtualization
Reversing an ARM64 VMP: virtual instructions, virtual registers, and de-virtualization, mapping the custom ISA back to real ARM64, with every step broken down clearly.
Analyzing the VMProtect 3.9.4 Virtual Machine: Backward Virtual Code and the Final Boss
Analyzing VMProtect 3.9.4's virtual machine flow, tracing the dispatch loop and handler set that drive its newest VM architecture and opcode mapping, so you can reproduce it yourself.
Analyzing the VMProtect 3.0.0beta Virtual Machine: Handler Chaining and Double Encryption
Analyzing VMProtect 3.0.0 beta's virtual machine handler chaining, tracing how its handlers link together to interpret protected code at runtime, with the tools and offsets documented.
Analyzing the VMProtect 2.12.3 Virtual Machine: Handler Flow and Virtual-Register Mapping
Analyzing VMProtect 2.12.3's virtual machine handler flow, mapping how its handlers chain together to interpret and execute virtualized code, including the pitfalls and the fix.
Analyzing and Recovering a Major Company's VM Protection
Recovering a VM-protection bytecode-to-native compiler, mapping virtual instructions back to real ones to de-virtualize the protected code, including the pitfalls and the fix.
Analyzing the VMP Behind a Hardened App's onCreate
Analyzing the VMP behind a hardened app's onCreate, unwrapping the virtualization layer to recover the real initialization logic and control flow, with the analysis method shown end to end.
Reconstructing a Dex VMP: From Trace Capture to Opcode Recovery
Reconstructing a DEX VMP from trace capture to opcode recovery, walking the full path from virtualized bytecode back into readable smali you can analyze.
Software Protection, Explained: From Application Packing to Algorithm Protection
A survey of software protection from application packing and code encryption to algorithm-level protection, explaining the full landscape and how each layer actually defends a binary.
Analyzing the mtop Device Risk-Control SDK - Jailbreak Detection, a VMP Layer, and Multi-Stage Encryption
Analyzing the mtop device risk-control SDK: its jailbreak detection, VMP layer, and multi-stage encryption, broken down end to end, with every step broken down clearly.
DEX VMP 101: Recovering Android DEX Virtualization and a Security Assessment
DEX VMP 101: recovering Android DEX virtualization from a real app, walking the unpacking and smali reconstruction, then assessing its security, and the code traced down to the core.
Deobfuscating libDexHelper.so: Inside an Enterprise Android Shell
Deobfuscating libDexHelper.so inside an enterprise Android shell, defeating its junk instructions, string encryption, and VMP layer with Unicorn and Frida.
Reverse Engineering a Commercial Anti-Bot SDK's VMP (SGAVMP)
Reverse engineering SGAVMP, a commercial anti-bot SDK's virtual machine: breaking its anti-F5 decompilation, string encryption, and the signature scheme it protects.