T1218Stealth
System Binary Proxy Execution
Adversaries may bypass process and/or signature-based defenses by proxying execution of malicious content with signed, or otherwise trusted, binaries. Binaries used in this technique are often Microsoft-signed files, indicating that they have been either downloaded from Microsoft or are already native in the operating system. Binaries signed with trusted digital certificates can typically…
CVEs2
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.2
Reports0
Detections
158 Sigma rules tagged T1218System Binary Proxy ExecutionT1218158 general rules
- Arbitrary File Download Via IMEWDBLD.EXEhightest
- Curl Download And Execute Combinationhightest
- Devtoolslauncher.exe Executes Specified Binaryhightest
- Execute Pcwrun.EXE To Leverage Follinahightest
- Execution DLL of Choice Using WAB.EXEhightest
- Execution via stordiag.exehightest
- Execution via WorkFolders.exehightest
- File Download Via Windows Defender MpCmpRun.EXEhightest
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CVEs linked to System Binary Proxy Execution
2 CVEs, by priority. Each link shows its badge.- CVE-2021-40539Zoho ManageEngine ADSelfService Plus Authentication Bypass VulnerabilityZoho · ManageEngineKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1047Windows Management Instrumentation+11 more · 1 reportMITRE CTID mapping of the KEV entry · follow-on activity99.0%Top 0.07%83.7priority
- CVE-2021-44077Zoho ManageEngine ServiceDesk Plus Remote Code Execution VulnerabilityZoho · ManageEngine ServiceDesk Plus (SDP) / SupportCenter PlusKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1047Windows Management Instrumentation+11 moreMITRE CTID mapping of the KEV entry · follow-on activity93.3%Top 0.16%69.8priority