Proxied Execution via Signed Scripts

Signed script scripts such as PubPrn.vbs can be used to proxy execution from a remote site while bypassing signature validation restrictions and potentially application whitelisting.

id:0d62a884-1052-44d0-a76c-1f4845e348d2
categories:enrich
confidence:low
os:windows
created:7/26/2019
updated:7/26/2019

MITRE ATT&CK™ Mapping

tactics:Defense Evasion, Execution
techniques:T1216 Signed Script Proxy Execution

Query

process where subtype.create and
  process_name in ("cscript.exe", "wscript.exe") and
  command_line == "* *.vbs* *script:http*"

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