Detectionmediumtest
Potentially Suspicious Usage Of Qemu
Detects potentially suspicious execution of the Qemu utility in a Windows environment. Threat actors have leveraged this utility and this technique for achieving network access as reported by Kaspersky.
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Launch
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
detection:
selection:
CommandLine|contains:
- '-m 1M' # VM with just 1MB of ram is insufficient this is a suspicious flag
- '-m 2M'
- '-m 3M'
CommandLine|contains|all:
- 'restrict=off'
- '-netdev '
- 'connect='
- '-nographic' # This is also a key detection no one invoke without UI from console usually its a flag.
filter_main_normal_usecase:
CommandLine|contains:
- ' -cdrom ' # Normal usage cases
- ' type=virt '
- ' -blockdev '
condition: selection and not 1 of filter_main_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Tactics
Techniques
Rule Metadata
Rule ID
5fc297ae-25b6-488a-8f25-cc12ac29b744
Status
test
Level
medium
Type
Detection
Created
Mon Jun 03
Author
Path
rules/windows/process_creation/proc_creation_win_qemu_suspicious_execution.yml
Raw Tags
attack.command-and-controlattack.t1090attack.t1572