mirror of
https://github.com/badsectorlabs/copyfail-go.git
synced 2026-05-16 14:38:09 +00:00
131f7d1842
- Added new shellcode payloads for exec-argv1 and exec-bin-sh for amd64, i386, and aarch64 architectures. - Introduced a backup feature for the su binary before overwriting it. - Enhanced README.md with usage instructions and details about affected kernels. - Added build-n-print.sh script for building and printing payloads in hex format.
37 lines
No EOL
1.2 KiB
Bash
37 lines
No EOL
1.2 KiB
Bash
#!/bin/bash
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# Check for nasm
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if ! command -v nasm &> /dev/null; then
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echo "[!] nasm could not be found. Please install it."
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exit 1
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fi
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# Check for python3
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if ! command -v python3 &> /dev/null; then
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echo "[!] python3 could not be found. Please install it."
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exit 1
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fi
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for payload in *.asm; do
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echo "[+] Building $payload"
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nasm -f bin $payload -o ${payload%.asm}
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echo "[+] Printing $payload as hex"
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cat ${payload%.asm} | python3 -c 'import sys, zlib; print(zlib.compress(sys.stdin.buffer.read()).hex())'
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done
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# Check for aarch64-linux-gnu-as
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if ! command -v aarch64-linux-gnu-as &> /dev/null; then
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echo "[!] aarch64-linux-gnu-as could not be found. Please install binutils-aarch64-linux-gnu"
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exit 1
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fi
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for payload in *.S; do
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# Assemble the source into an object file
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echo "[+] Building $payload"
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aarch64-linux-gnu-as $payload -o ${payload%.S}.o
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# Extract ONLY the raw bytes into a flat binary file
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echo "[+] Extracting $payload as binary"
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aarch64-linux-gnu-objcopy -O binary ${payload%.S}.o ${payload%.S}
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echo "[+] Printing $payload as hex"
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cat ${payload%.S} | python3 -c 'import sys, zlib; print(zlib.compress(sys.stdin.buffer.read()).hex())'
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done |