Detection rules › Sigma
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.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control | T1090 Proxy, T1572 Protocol Tunneling |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
| Security-Auditing | 4688 | A new process has been created. |
Stages and Predicates
Stage 1: selection
or:
CommandLine|contains: '-m 1M'
CommandLine|contains: '-m 2M'
CommandLine|contains: '-m 3M'
CommandLine|contains: '-netdev '
CommandLine|contains: -nographic
CommandLine|contains: 'connect='
CommandLine|contains: 'restrict=off'
Stage 2: not 1 of filter_main_normal_usecase
or:
CommandLine|contains: ' -blockdev '
CommandLine|contains: ' -cdrom '
CommandLine|contains: ' type=virt '
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
CommandLine | match |
|