Suspicious rundll32 Execution of DLL from WebDAV Share (via process_creation)

ATT&CK techniques

Defense Evasion → C2

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
- T1218.011Rundll32
Cred Access
Discovery
Lateral Movement
Collection
C2
- T1105Ingress Tool Transfer
Exfiltration
Impact

What it detects

This rule detects the Hive0145 Strela Stealer chain using rundll32.exe to run a crypted DLL directly from a WebDAV davwwwroot share and call its Entry export. Loading a DLL over WebDAV through rundll32 is a strong remote-execution indicator. Legitimate software does not launch DLLs from davwwwroot paths.

Reporting behind it

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Suspicious rundll32 Execution of DLL from WebDAV Share (via process_creation)

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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