nongiach / Arm_now
Licence: mit
arm_now is a qemu powered tool that allows instant setup of virtual machines on arm cpu, mips, powerpc, nios2, x86 and more, for reverse, exploit, fuzzing and programming purpose.
Stars: ✭ 719
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python
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arm_now 1.2
arm_now is a qemu powered tool that allows instant setup of virtual machines on arm cpu, mips, powerpc, nios2, x86 and more, for reverse, exploit, fuzzing and programming purpose.
Install
# pip3 install https://github.com/nongiach/arm_now/archive/master.zip --upgrade
# # Or you can also do:
# pip3 install arm_now
Supported System: Linux, Windows WSL, MacOS, Docker.
Docker install
If you are using docker, just run and enjoy!
$ docker run -it --name arm_now -v $PWD:/mount --rm bannsec/arm_now_docker arm_now
For a bash function wrapper see here: https://github.com/bannsec/arm_now_docker
Start an arm Virtual Machine
$ arm_now start armv5-eabi
Welcome to arm_now
buildroot login: root
# uname -m
armv7l
Resizing an arm Virtual Machine
$ arm_now resize +10G
WARNING: Image format was not specified for 'arm_now/rootfs.ext2' and probing guessed raw.
Automatically detecting the format is dangerous for raw images, write operations on block 0 will be restricted.
Specify the 'raw' format explicitly to remove the restrictions.
Image resized.
Debug the ls binary on mips
$ arm_now start mips32el
Welcome to arm_now
buildroot login: root
# gdb /bin/ls
(gdb) start
Temporary breakpoint 1, 0x00405434 in main ()
(gdb) x/i $pc
=> 0x405434 <main+12>: li a0,-1
How to exit qemu
Press "Ctrl + ]" (Ctrl + altgr + ] on azerty).
Wiki
All features and good use cases are documented in the wiki: https://github.com/nongiach/arm_now/wiki
- Exploit a heap use after free on PowerPC
- Run the game of life on a FPGA cpu (MicroBlaze)
- Share files
- Install new package
- ..
Supported cpu
| CPU | images |
|---|---|
| arm | armv5-eabi, armv6-eabihf, armv7-eabihf |
| m68k | m68k-coldfire |
| microblaze | microblazeel, microblazebe |
| mips | mips32, mips32el, mips32r5el, mips32r6el |
| mips64 | mips64-n32, mips64el-n32 |
| xtensa | xtensa (a configurable processor) |
| nios2 | nios2 |
| powerpc | powerpc64-e5500, powerpc64-power8, powerpc64le-power8 |
| sh4 | sh-sh4 |
| x86-32 | x86-core2, x86-i686 |
| x86-64 | x86-64-core-i7 |
| aarch64 | aarch64 |
Writeups
| Link | Credit |
|---|---|
| MIPS binary exploitation challenge | Aperikube |
Ping me for any new writeups.
Project using arm_now
| Project | Credit |
|---|---|
| Mandibule: linux elf injector for x86 x86_64 arm arm64 | ixty |
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