Rorschach Ransomware Execution Activity

 1title: Rorschach Ransomware Execution Activity
 2id: 0e9e6c63-1350-48c4-9fa1-7ccb235edc68
 3status: test
 4description: Detects Rorschach ransomware execution activity
 5references:
 6    - https://research.checkpoint.com/2023/rorschach-a-new-sophisticated-and-fast-ransomware/
 7author: X__Junior (Nextron Systems)
 8date: 2023-04-04
 9modified: 2023-04-22
10tags:
11    - attack.execution
12    - attack.t1059.003
13    - attack.t1059.001
14    - detection.emerging-threats
15logsource:
16    category: process_creation
17    product: windows
18detection:
19    selection:
20        Image|endswith:
21            - '\bcdedit.exe'
22            - '\net.exe'
23            - '\net1.exe'
24            - '\netsh.exe'
25            - '\wevtutil.exe'
26            - '\vssadmin.exe'
27        CommandLine|contains: '11111111'
28    condition: selection
29falsepositives:
30    - Unlikely
31level: critical