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# T1496 - Resource Hijacking
## [Description from ATT&CK](https://attack.mitre.org/techniques/T1496)
<blockquote>
Adversaries may leverage the resources of co-opted systems to complete resource-intensive tasks, which may impact system and/or hosted service availability.
Resource hijacking may take a number of different forms. For example, adversaries may:
* Leverage compute resources in order to mine cryptocurrency
* Sell network bandwidth to proxy networks
* Generate SMS traffic for profit
* Abuse cloud-based messaging services to send large quantities of spam messages
In some cases, adversaries may leverage multiple types of Resource Hijacking at once.(Citation: Sysdig Cryptojacking Proxyjacking 2023)
</blockquote>
## Atomic Tests
- [Atomic Test #1 - FreeBSD/macOS/Linux - Simulate CPU Load with Yes](#atomic-test-1---freebsdmacoslinux---simulate-cpu-load-with-yes)
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## Atomic Test #1 - FreeBSD/macOS/Linux - Simulate CPU Load with Yes
This test simulates a high CPU load as you might observe during cryptojacking attacks.
End the test by using CTRL/CMD+C to break.
**Supported Platforms:** Linux, macOS
**auto_generated_guid:** 904a5a0e-fb02-490d-9f8d-0e256eb37549
#### Attack Commands: Run with `sh`!
```sh
yes > /dev/null
```
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