DNS Server Discovery Via LDAP Query
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About the rule
Rule Type
Standard
Rule Description
Detects DNS server discovery via LDAP query requests from uncommon applications
Severity
Attention
Rule Requirement
Criteria
Action1: actionname = "sa_dns_query" AND QUERY startswith "_ldap." AND (PROCESSNAME notcontains ":\Program Files\,:\Program Files (x86)\,:\Windows" AND (PROCESSNAME notcontains ":\ProgramData\Microsoft\Windows Defender\Platform" OR PROCESSNAME notendswith "\MsMpEng.exe") AND PROCESSNAME != "" AND isExist(PROCESSNAME)) AND (PROCESSNAME notstartswith "C:\WindowsAzure\GuestAgent" AND PROCESSNAME notendswith "\chrome.exe,\firefox.exe,\opera.exe") select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.QUERY,Action1.STATUSCODE,Action1.RESULT
Detection
Execution Mode
realtime
Log Sources
Active Directory
Author
frack113
