Windows BitDefender Submission Wizard DLL Sideloading
Detects DLL side-loading of Bitdefender Submission Wizard (BDSubmit.exe, bdsw.exe, or renamed BluetoothService.exe) when a malicious log.dll is loaded from a non-standard path via Sysmon ImageLoad events.
Detection logic
Detection requirements
- Platform
- LinuxmacOSWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source category
- sysmon_eventid_7
Known benign triggers
- Legitimate Bitdefender installations loading log.dll from Program Files are excluded. Allowlist known paths as needed.
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| attack.mitre.org/groups/G0065/ | 2 |
| attack.mitre.org/techniques/T1574/002/ | 4 |
| www.rapid7.com/blog/post/tr-chrysalis-backdoor-dive-into-lotus-blossoms-toolkit/ | 7from 2 sources |
From the source
- At source
- Open at source
- Upstream identifier
- a1b2c3d4-e5f6-4789-a012-3456789abcde
- Tagged by the source as
- Lotus Blossom Chrysalis BackdoorEndpointendpointSplunk CloudSplunk EnterpriseSplunk Enterprise Securityendpoint
Licence
- Published under
- Apache License 2.0Read the licence
- Attribution
- Required
- Obtained under
- Apache-2.0Read the origin licence
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1