Suspicious Shell History Disabling via HISTFILE Redirection on Linux
- Product
- linux
- Category
- process_creation
- Author
- HuntRule
- Published
- 2026-09-15
- Updated
- 2026-09-15
ATT&CK techniques
Defense EvasionRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects a command line that redirects the shell history file to /dev/null which the ar.sh script from the exposed Docker API campaign runs alongside flushing the firewall to prevent command logging and hinder incident response on compromised systems.
Reporting behind it
- securitylabs.datadoghq.comhttps://securitylabs.datadoghq.com/articles/attackers-deploying-new-tactics-in-campaign-targeting-exposed-docker-apis/
- attack.mitre.orghttps://attack.mitre.org/techniques/T1070/003/
- wiz.iohttps://www.wiz.io/blog/seleniumgreed-cryptomining-exploit-attack-flow-remediation-steps
- attack.mitre.orghttps://attack.mitre.org/techniques/T1562.003/
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.
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