Individual skill
pentesting-rsync
Testing rsync daemon services (default port 873) for unauthenticated module listing and access, weak/default credentials and brute force, arbitrary file read/download and write/upload (including authorized_keys planting), and rsyncd.conf/secrets misconfiguration during authorized engagements.
internal/tools/skills/data/network-services-pentesting/pentesting-rsync/SKILL.md
Source commit d42f381ad34843e71a42658e5c57290c713e85af
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- Last checked
- Nov 7, 2026
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- 1,313
- Repository last updated
- Nov 7, 2026
- License
- Apache-2.0
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- cybersecurity Repository topic
- security Repository topic
- bug-bounty Repository topic
- automation Repository topic
- autonomous-pentesting Repository topic
- ai-agent Repository topic
- ai-security Repository topic
- ethical-hacking Repository topic
- golang Repository topic
- penetration-testing Repository topic
- penetration-testing Declared skill tag
- network-services Declared skill tag
- rsync Declared skill tag
- testing Derived category
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# Pentesting rsync (port 873)
## When to Use
- Default port `873/tcp` for the rsync daemon protocol (`rsync://`); alternate ports such as `8730` are common on NAS devices.
- When `nmap`/banner shows `rsync` or a connection returns an `@RSYNCD: <version>` banner.
- For enumerating exposed "modules" (directory shares), assessing auth requirements, and testing read/write access.
## Quick Enumeration
```bash
# Banner grab + manual module listing
nc -vn <IP> 873
# Server greets: @RSYNCD: 31.0 -> echo same line back, then send: #list
# Server enumerates modules, e.g.: raidroot USBCopy NAS_Public ... then @RSYNCD: EXIT
