Samhain (software)
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DeveloperSamhain Services
Stable release
4.5.3
/ October 31, 2025[1]
Operating systemLinux, all POSIX/UNIX Systems, Microsoft Windows
| Samhain | |
|---|---|
| Developer | Samhain Services |
| Stable release | 4.5.3
/ October 31, 2025[1] |
| Written in | C[2] |
| Operating system | Linux, all POSIX/UNIX Systems, Microsoft Windows |
| Type | Security, Monitoring, HIDS |
| License | GNU General Public License |
| Website | la-samhna.de/samhain |
Samhain is an integrity checker and host intrusion detection system that can be used on single hosts as well as large, UNIX-based networks. It supports central monitoring as well as powerful (and new) stealth features to run undetected in memory, using steganography.
- Complete integrity check
- uses cryptographic checksums of files to detect modifications,
- can find rogue SUID executables anywhere on a disk, and
- Centralized monitoring
- native support for logging to a central server via encrypted and authenticated connections
- Tamper resistance
- database and configuration files can be signed
- log file entries and e-mail reports are signed
- support for stealth operation
