45f8acb24a
Poll-based host intrusion-detection daemon modeled on freeze-watcher's sample→trigger→snapshot→classify loop, with security signatures instead of performance ones: - reverse_shell (interpreter with a network socket on stdio) - ld_preload (/etc/ld.so.preload or LD_PRELOAD in writable dirs) - deleted_exe (process running from a deleted/memfd binary) - new_listener (listening port absent from startup baseline) - new_suid (new SUID/SGID binary; critical in writable dirs) - persistence (cron/systemd/authorized_keys/rc-file changes) - suspicious_egress (interpreter holding an outbound public connection) Each capture writes a forensic snapshot with per-signature incident- response guidance. Includes a safe, self-cleaning red-team harness (sentinel-redteam), hardened systemd unit, config, Makefile, and Arch packaging. Tested on Arch: detectors fire on drills, no false positives on a clean sweep, sweep cost optimized from ~15s to ~1s via batched syscalls and a gated filesystem-wide SUID scan. This bash implementation is retained as the regression oracle for the forthcoming Python rewrite. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
24 lines
1 KiB
Bash
24 lines
1 KiB
Bash
# Maintainer: Enodia
|
|
pkgname=enodia-sentinel
|
|
pkgver=0.1.0
|
|
pkgrel=1
|
|
pkgdesc="Host intrusion-detection daemon — signature-based detection of reverse shells, LD_PRELOAD rootkits, fileless malware, and persistence tampering"
|
|
arch=('any')
|
|
url="https://github.com/Enodia/enodia-sentinel"
|
|
license=('MIT')
|
|
depends=('bash' 'iproute2' 'procps-ng')
|
|
optdepends=('bpftrace: execve tracing of short-lived processes in snapshots'
|
|
'libnotify: desktop notifications on alert')
|
|
backup=('etc/enodia-sentinel.conf')
|
|
source=()
|
|
sha256sums=()
|
|
|
|
package() {
|
|
cd "$startdir/.."
|
|
install -Dm755 src/sentinel.sh "$pkgdir/usr/bin/sentinel.sh"
|
|
install -Dm755 src/sentinel-redteam "$pkgdir/usr/bin/sentinel-redteam"
|
|
install -Dm644 systemd/enodia-sentinel.service "$pkgdir/usr/lib/systemd/system/enodia-sentinel.service"
|
|
install -Dm644 config/enodia-sentinel.conf "$pkgdir/etc/enodia-sentinel.conf"
|
|
install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
|
|
install -dm750 "$pkgdir/var/log/enodia-sentinel"
|
|
}
|