Clear logs - using dd and /dev/null

Cortex Toolbox Ingest Calculator Platform Changes

Detectors ▾

All detectors Statistics ATT&CK matrix

Analytics Alerts BIOCs Correlation Rules

Content ▾

Packs Integrations MCP Servers Threat Feeds Reputation Commands

Automation

Playbooks Scripts Jobs Automation Rules Lists

Case and Issue Setup

Incident Fields Layouts Layout Rules

Threat Intelligence

Indicator Types Indicator Fields Reputation Commands Threat Feeds

Data Ingestion

Parsing Rules Modeling Rules XDRC Templates

Dashboards & Reports

XSIAM Dashboards XSIAM Reports

Docs ▾

Documentation XDM Explorer Cortex Versions

Settings ▾

Sign in

BIOC Medium

✕

Clear logs - using dd and /dev/null

Usage of the dd utility to clear the contents of a file using /dev/null.

Module:: Platform Analytics
Agent event type:: Process execution
Category:: Tampering
Status:: Enabled

ATT&CK tactics: Defense Evasion (TA0005)

ATT&CK techniques: Indicator Removal: Clear Linux or Mac System Logs (T1070.002)

Indicator:

Process action type = execution AND target process cmd = *if=/dev/null*of=*log* AND target process name = dd Host host os = linux

Preventable: yes