Rules: Suspicious Shells Spawned by Web Servers
Web servers that spawn shell processes could be the result of a successfully placed web shell or an other attack
| Detail | Value |
|---|---|
| Type | Templated Match |
| Category | Persistence |
| Apply Risk to Entities | device_hostname, device_ip, user_username |
| Signal Name | Suspicious Shells Spawned by Web Servers |
| Summary Expression | Parent process: {{parentBaseImage}} spawned process: {{baseImage}} on host: {{device_hostname}} |
| Score/Severity | Static: 4 |
| Enabled by Default | True |
| Prototype | False |
| Tags | _mitreAttackTactic:TA0003, _mitreAttackTechnique:T1505, _mitreAttackTechnique:T1505.003 |
| Origin | Field |
|---|---|
| Normalized Schema | baseImage |
| Normalized Schema | device_hostname |
| Normalized Schema | device_ip |
| Normalized Schema | parentBaseImage |
| Normalized Schema | user_username |