Command and Control (TA0011)(external, opens in a new tab or window)
endpoint(external, opens in a new tab or window)
windows(external, opens in a new tab or window)
system(external, opens in a new tab or window)
m365_defender(external, opens in a new tab or window)
sentinel_one_cloud_funnel(external, opens in a new tab or window)
text code block:process where host.os.type == "windows" and event.type == "start" and process.executable : ( "?:\\Windows\\System32\\curl.exe", "?:\\Windows\\SysWOW64\\curl.exe" ) and process.command_line : "*http*" and process.parent.name : ( "cmd.exe", "powershell.exe", "rundll32.exe", "explorer.exe", "conhost.exe", "forfiles.exe", "wscript.exe", "cscript.exe", "mshta.exe", "hh.exe", "mmc.exe" ) and not ( ?user.id == "S-1-5-18" and /* Don't apply the user.id exclusion to Sysmon for compatibility */ not event.dataset : ("windows.sysmon_operational", "windows.sysmon") ) and /* Exclude System Integrity Processes for Sysmon */ not ?winlog.event_data.IntegrityLevel == "System"
Install detection rules in Elastic Security
Detect Potential File Transfer via Curl for Windows in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).