title: Lace Tempest Cobalt Strike Download
id: aa5b0a40-ed88-46aa-9fdc-0337b379ca9d
status: test
description: Detects specific command line execution used by Lace Tempest to download Cobalt Strike as reported by SysAid Team
references:
- https://www.sysaid.com/blog/service-desk/on-premise-software-security-vulnerability-notification
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-11-09
tags:
- attack.execution
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains|all:
- -nop -w hidden -c IEX ((new-object net.webclient).downloadstring(
- /a')
condition: selection
falsepositives:
- Unlikely
level: high