Suspicious Use of /dev/tcp
Detects suspicious command with /dev/tcp
Detection logic
Detection requirements
- Log source product
- linux
Known benign triggers
- Unknown
MITRE ATT&CK mappings
Not mapped to ATT&CK.
References
| Reference | Cited by |
|---|---|
| book.hacktricks.xyz/shells/shells/linux | Only this detection cites it |
| github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1046/T1046.md#atomic-test-1---port-scan | 6 |
| www.andreafortuna.org/2021/03/06/some-useful-tips-about-dev-tcp/ | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 6cc5fceb-9a71-4c23-aeeb-963abe0b279c
- Tagged by the source as
- attack.reconnaissance
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1