Suspicious Command Arguments from Explorer or Wermgr

 1title: Suspicious Command Arguments from Explorer or Wermgr
 2id: ebda47a5-173e-493d-93a6-d7123076ee11
 3status: experimental
 4description: Detects the suspicious command line arguments from potentially-injected versions of explorer or wermgr processes.
 5references:
 6    - https://www.trellix.com/en-us/about/newsroom/stories/research/demystifying-qbot-malware.html
 7author: Adithya Chandra and Sushant Kumar Arya, Trellix
 8date: 2022/04/08
 9tags:
10    - attack.discovery
11    - attack.t1082
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    selection:
17        Image|endswith: 
18            - '\explorer.exe'
19            - '\wermgr.exe'
20        CommandLine|contains|windash:
21            - 'whoami /all'
22            - 'arp -a'
23            - 'ipconfig /all'
24            - 'net view /all'
25            - 'cmd /c set'
26            - 'nslookup -querytype=ALL -timeout=10 _ldap._tcp.dc._msdcs'
27            - 'nltest /domain_trusts /all_trusts'
28            - 'net share'
29            - 'netstat -nao'
30            - 'net localgroup'
31            - 'qwinsta'
32    condition: selection
33falsepositives:
34    - Unknown
35level: high```