Red Teaming
Malware Analysis
IoT / Reverse / Firmware
Qemu + buildroot 101
Compile arm kernel and execute it via qemu
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sudo apt-get install qemu-system-arm
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tar -xvzf buildroot-2020.02.3.tar.gz
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sudo apt-get install libncurses5-dev libncursesw5-dev
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make menuconfig
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make list-defconfigs
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make qemu_arm_versatile_defconfig
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export PATH=$PATH:/home/embeddedcraft/buildroot-2020.02.3/output/host/bin
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arm-buildroot-linux-uclibcgnueabi-gcc hello.c -o hello
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sudo mount -t ext2 -o rw,loop rootfs.ext2 /mnt/try
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sudo cp hello /mnt/try/root/
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qemu-system-arm -M versatilepb -kernel vmlinuz-3.2.0-4-versatile -initrd initrd.img-3.2.0-4-versatile -hda debian_wheezy_armel_standard.qcow2 -append "root=/dev/sda1" -net nic -net user,hostfwd=tcp::7777-:22
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tar zcf squashfs-root.tar.gz squashfs-root
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scp -P 7777 ./squashfs-root.tar.gz [email protected]:/root
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Buildroot and QEMU – the quickest recipe for your own Linux
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get buildroot version from the official website
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$ tar -xvzf buildroot-2021.xxx.tar.gz
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$ cd buildroot/
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$ make qemu_arm_versatile_defconfig
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$ make menuconfig
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$ qemu-system-arm -M versatilepb -kernel output/images/zImage -dtb output/images/versatile-pb.dtb -drive file=output/images/rootfs.ext2,if=scsi -append "root=/dev/sda console=ttyAMA0,115200" -nographic
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source: https://pressreset.net/2013/09/buildroot-and-qemu-the-quickest-recipe-for-your-own-linux/
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buildroot essential commands that will safe your life
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make menuconfig
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make HOSTCC=gcc-4.4
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make MAKEINFO=true
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make -j8
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qemu essential commands that will safe you
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qemu-system-arm -machine help
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qemu-system-arm -machine vexpress -cpu help
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sudo qemu-system-arm \
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-M vexpress-a9 \
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-kernel ./zImage_arch \
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-dtb ./vexpress-v2p-ca9.dtb \
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--nographic \
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-append "root=/dev/mmcblk0 rw roottype=ext4 console=ttyAMA0" \
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-drive if=sd,driver=raw,cache=writeback,file=./arch_rootfs.ext4 \
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-net nic,macaddr=$macaddr \
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-net tap,vlan=0,ifname=tap0 \
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-snapshot
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qemu-system-arm -M vexpress-a9 \
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-cpu cortex-a9 \
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-m 1024 \
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-nographic \
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-kernel $BRIMAGES/zImage \
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-drive file=$BRIMAGES/rootfs.ext2,index=0,media=disk,format=raw,if=sd \
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-dtb $BRIMAGES/vexpress-v2p-ca9.dtb \
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-net nic \
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-net user,hostfwd=tcp::2222-:22,hostfwd=tcp::9000-:9000 \
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-append "rw console=ttyAMA0 console=tty root=/dev/mmcblk0"
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qemu-system-arm -M versatilepb -kernel vmlinuz-3.2.0-4-versatile -initrd initrd.img-3.2.0-4-versatile -hda debian_wheezy_armel_standard.qcow2 -append "root=/dev/sda1" -net nic -net user,hostfwd=tcp::7777-:22
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qemu-system-arm -M versatilepb -kernel output/images/zImage -dtb output/images/versatile-pb.dtb -drive file=output/images/rootfs.ext2,if=scsi -append "root=/dev/sda console=ttyAMA0,115200" -nographic
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qemu-system-arm -M versatilepb -kernel zImage -dtb versatile-pb.dtb -drive file=rootfs.ext2,if=scsi,format=raw -append "root=/dev/sda console=ttyAMA0,115200" -serial stdio -net nic,model=rtl8139 -net user
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Qemu + virtual tap
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sudo brctl addbr virbr0
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sudo ifconfig virbr0 192.168.122.1/24 up
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sudo tunctl -t tap0
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sudo ifconfig tap0 192.168.122.11/24 up
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sudo brctl addif virbr0 tap0
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sudo qemu-system-mipsel -M malta -kernel vmlinux-3.2.0-4-4kc-malta -hda debian_wheezy_mipsel_standard.qcow2 -append "root=/dev/sda1 console=tty0" -net nic,vlan=0 -net tap,vlan=0,ifname=tap0 -nographic
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ifconfig eth0 192.168.122.12/24 up
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Another option is portforwarding:
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sudo qemu-system-mipsel -M malta -kernel vmlinux-3.2.0-4-4kc-malta -hda debian_wheezy_mipsel_standard.qcow2 -append "root=/dev/sda1 console=tty0" -net user,hostfwd=tcp::80-:80,hostfwd=tcp::443-:443,hostfwd=tcp::2222-:22 -net nic -nographic
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ssh -p 2222 [email protected]
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scp -r ./data [email protected]:/root/
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[原创][分享]buildroot构建MIPS64调试环境-智能设备-看雪论坛-安全社区|安全招聘|bbs.pediy.com
[原创][分享]buildroot构建MIPS64调试环境-智能设备-看雪论坛-安全社区|安全招聘|bbs.pediy.com
Last modified 5mo ago