DLL Search Order Hijackig Via Additional Space in Path
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About the rule
Rule Type
Standard
Rule Description
Detects when an attacker create a similar folder structure to windows system folders such as (Windows, Program Files...) but with a space in order to trick DLL load search order and perform a "DLL Search Order Hijacking" attack
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "File Created or Modified" AND (FILENAME startswith "C:\Windows \,C:\Program Files \,C:\Program Files (x86) " OR OBJECTNAME startswith "C:\Windows \,C:\Program Files \,C:\Program Files (x86) ") AND (FILENAME endswith ".dll" OR OBJECTNAME endswith ".dll") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
frack113, Nasreddine Bencherchali (Nextron Systems)
