Suspicious Remote MSI Installation via msiexec from HTTP URL

ATT&CK techniques

Defense Evasion → C2

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
- T1218.007Msiexec
Cred Access
Discovery
Lateral Movement
Collection
C2
- T1105Ingress Tool Transfer
Exfiltration
Impact

What it detects

This rule detects msiexec installing an MSI package directly from a remote HTTP URL, the core delivery behavior of Raspberry Robin USB malware. Fetching and installing a remote package through the signed msiexec binary is a proxy execution and ingress technique that legitimate installers rarely perform against arbitrary hosts.

Reporting behind it

Related detections9 linkedT1105 — drag to rearrange

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Windows msiexec Process Creation With Web URL Parameters

Suspicious PowerShell Download Cradle via Invoke-WebRequest Piped to iex (via process_creation)

Suspicious Bash Dev-TCP Reverse Shell Execution

Suspicious PowerShell Reverse-HTTP Shellcode Download via CVE-2024-4577 Exploitation

Suspicious DLL Download via curl to User Profile by Confucius Loader (via process_creation)

Suspicious Remote MSI Installation via msiexec from HTTP URL

Pivot detection · T1105 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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