T1090.001Command and Control
Internal Proxy
Adversaries may use an internal proxy to direct command and control traffic between two or more systems in a compromised environment. Many tools exist that enable traffic redirection through proxies or port redirection, including HTRAN, ZXProxy, and ZXPortMap. Adversaries use internal proxies to manage command and control communications inside a compromised environment, to reduce the number of…
CVEs1
In CISA KEVThe US Cybersecurity and Infrastructure Security Agency’s list of Known Exploited Vulnerabilities. A CVE is added when CISA has evidence that attackers are using it.1
Reports0
Detections
6 Sigma rules tagged T1090.001Internal ProxyT1090.0016 general rules
- HackTool - SharpChisel Executionhightest
- PUA - Chisel Tunneling Tool Executionhightest
- RDP over Reverse SSH Tunnel WFPhightest
- Renamed Cloudflared.EXE Executionhightest
- Cloudflared Portable Executionmediumtest
- Cloudflared Quick Tunnel Executionmediumtest
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CVEs linked to Internal Proxy
1 CVE, by priority. Each link shows its badge.- CVE-2021-22017VMware vCenter Server Improper Access ControlVMware · vCenter ServerKEVPublic exploitMedium · 5.3T1190Exploit Public-Facing ApplicationT1090.001Internal ProxyMITRE CTID mapping of the KEV entry · primary impact49.2%Top 1.1%66.5priority