Possible Mirai IoT Payload Staging via chmod on Linux (via process_creation)
- Product
- linux
- Category
- process_creation
- Author
- HuntRule
- Published
- 2026-10-21
- Updated
- 2026-10-21
ATT&CK techniques
Execution → C2Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
Exfiltration
Impact
What it detects
This rule detects chmod granting full 777 permissions to downloaded payloads in world-writable directories or files named after CPU architectures, a staging step used after exploiting CVE-2023-33538. This behavior precedes execution of Condi or Mirai IoT bot binaries dropped via wget on compromised routers.
Reporting behind it
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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