Rules: Bash History Tampering
This rule monitors for various methods of deleting or otherwise tampering with .bash_history files which store command history on Linux machines.
| Detail | Value |
|---|---|
| Type | Templated Match |
| Category | Defense Evasion |
| Apply Risk to Entities | device_hostname, device_ip, user_username |
| Signal Name | Bash History Tampering |
| Summary Expression | The command history on host {{device_hostname}} was manipulated by user {{user_username}} |
| Score/Severity | Static: 7 |
| Enabled by Default | True |
| Prototype | False |
| Tags | _mitreAttackTactic:TA0005, _mitreAttackTechnique:T1070, _mitreAttackTechnique:T1070.003 |
| Origin | Field |
|---|---|
| Normalized Schema | commandLine |
| Normalized Schema | device_hostname |
| Normalized Schema | device_ip |
| Normalized Schema | user_username |