Process Memory Dump Via Comsvcs.DLL
Detects a process memory dump via "comsvcs.dll" using rundll32, covering multiple different techniques (ordinal, minidump function, etc.)
Detection logic
Detection requirements
- Platform
- ContainersESXiLinuxmacOSWindows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
- Log source product
- windows
- Log source category
- process_creation
Known benign triggers
- Unlikely
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 |
|---|---|
| github.com/Hackndo/lsassy/blob/14d8f8ae596ecf22b449bfe919829173b8a07635/lsassy/dumpmethod/comsvcs.py | Only this detection cites it |
| modexp.wordpress.com/2019/08/30/minidumpwritedump-via-com-services-dll/ | 4from 3 sources |
| twitter.com/Hexacorn/status/1224848930795552769 | 2 |
| twitter.com/SBousseaden/status/1167417096374050817 | 2from 2 sources |
| twitter.com/Wietze/status/1542107456507203586 | Only this detection cites it |
| twitter.com/pythonresponder/status/1385064506049630211?s=21 | Only this detection cites it |
| twitter.com/shantanukhande/status/1229348874298388484 | 2 |
| www.youtube.com/watch?v=52tAmVLg1KM&t=2070s | 2 |
From the source
- At source
- Open at source
- Upstream identifier
- 646ea171-dded-4578-8a4d-65e9822892e3
- Tagged by the source as
- attack.credential-accessattack.stealthcar.2013-05-009
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1