milliways-infosec/copyfail-go
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copyfail-go/payloads/README.md
kernel-sanders 131f7d1842 ✨feat: allow binary exec and improve documentation 
- 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.
2026-04-30 01:33:04 -04:00

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These are the assembly and binary payloads embedded in copyfail-go

Scripted

Just run build-n-print.sh

Manual

To build the asm run

nasm -f bin {{ payload }}.asm -o {{ payload }}

To format the binary into the hex for copyfail-go, run

cat {{ payload }} | python3 -c 'import sys, zlib; print(zlib.compress(sys.stdin.buffer.read()).hex())'