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Tool

LazyIDA

Single-file IDA plugin of convenience actions first written for CTF work. In the disassembly and hex views it dumps a selection as a string, hex string, C/C++ array or Python list of bytes, words, dwords or qwords and copies the result to the clipboard, shows a selection XORed with one byte, fills it with NOPs, and copies or jumps to addresses and file offsets by hotkey. With Hex-Rays it toggles a function’s return type to void, copies item names and jumps to the member function behind an obj->func call on double-click, while a heuristic scan lists printf-family calls whose format argument is not a read-only constant.

Requirements & limits

  • The reviewed master commit is three commits after the v1.1.0 release of 2026-01-25; LazyIDA.py now declares 1.1.1 while ida-plugin.json still says 1.1.0. The plugin is the single LazyIDA.py file, installed with Hex-Rays’ hcli plugin command or copied into the IDA plugins directory. ida-plugin.json asks for IDA 7.4 or later on Windows x86-64, Linux x86-64 and macOS x86-64 or arm64; the changelog adds IDA 9.0 and 9.2 support, and clipboard access uses PySide6 on IDA 9.2+ and PyQt5 on earlier GUI builds.
  • It works on whatever database the user opens in IDA and bundles no sample binaries. The Hex-Rays actions load only when a Hex-Rays decompiler initialises. The format-string scan is offered in the disassembly view only for 32- and 64-bit x86 and 32-bit ARM databases; it walks back from each call to printf-family functions in .text, .plt, .idata or .plt.got using fixed register and stack-slot conventions, so its hits are leads to check by hand, not confirmed vulnerabilities.
  • The README says the project was written casually about ten years ago and that several features are now outdated: return-type removal is built into IDA 7.5+, IDA’s Shift-E export can replace the dump actions, and the format-string scan should be reimplemented with the Hex-Rays API; it points users to HappyIDA instead. Multi-byte dumps decode little-endian values, and Fill with NOPs writes x86 0x90 bytes into the database whatever the architecture.
  • The repository has no tests or CI; this collection reviewed source and documentation without running the plugin. MIT per LICENSE and ida-plugin.json; IDA Pro and the Hex-Rays decompiler keep their own licences. The reviewed sources establish no REA connection.

About this entry

Type
Tool
Category
Native analysis tools
Relationship
Foundation tool
Targets
Binary

Sources reviewed

The description was reviewed against primary sources. This does not establish runtime testing, security auditing or verified compatibility.

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Primary sources

  1. README.md GitHub · L4ys/LazyIDA · Revision 0ecdf8d
  2. LazyIDA.py GitHub · L4ys/LazyIDA · Revision 0ecdf8d
  3. ida-plugin.json GitHub · L4ys/LazyIDA · Revision 0ecdf8d
  4. CHANGELOG.md GitHub · L4ys/LazyIDA · Revision 0ecdf8d
  5. LICENSE GitHub · L4ys/LazyIDA · Revision 0ecdf8d
  6. https://github.com/L4ys/LazyIDA/releases/tag/v1.1.0

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