Techniques
Sample rules
Potential Antivirus Software DLL Sideloading
- source: sigma
- technicques:- t1574
- t1574.001
 
Description
Detects potential DLL sideloading of DLLs that are part of antivirus software suchas McAfee, Symantec…etc
Detection logic
condition: (selection_bitdefender and not 1 of filter_log_dll_*) or (selection_fsecure
  and not filter_fsecure) or (selection_mcafee and not filter_mcafee) or (selection_cyberark
  and not filter_cyberark) or (selection_avast and not 1 of filter_wsc_dll_*) or (selection_titanium
  and not filter_titanium) or (selection_eset_deslock and not filter_eset_deslock)
filter_cyberark:
  ImageLoaded|startswith:
  - C:\Program Files\CyberArk\Endpoint Privilege Manager\Agent\x32\
  - C:\Program Files (x86)\CyberArk\Endpoint Privilege Manager\Agent\x32\
filter_eset_deslock:
  ImageLoaded|startswith:
  - C:\program Files\ESET
  - C:\program Files (x86)\ESET
filter_fsecure:
  ImageLoaded|startswith:
  - C:\Program Files\F-Secure\Anti-Virus\
  - C:\Program Files (x86)\F-Secure\Anti-Virus\
filter_log_dll_avast:
  ImageLoaded:
  - C:\Program Files\AVAST Software\Avast\log.dll
  - C:\Program Files (x86)\AVAST Software\Avast\log.dll
filter_log_dll_avg:
  ImageLoaded:
  - C:\Program Files\AVG\Antivirus\log.dll
  - C:\Program Files (x86)\AVG\Antivirus\log.dll
filter_log_dll_bitdefender:
  ImageLoaded|startswith:
  - C:\Program Files\Bitdefender Antivirus Free\
  - C:\Program Files (x86)\Bitdefender Antivirus Free\
filter_log_dll_canon:
  ImageLoaded|startswith: C:\Program Files\Canon\MyPrinter\
filter_log_dll_dell_sar:
  Image: C:\Program Files\Dell\SARemediation\audit\TelemetryUtility.exe
  ImageLoaded:
  - C:\Program Files\Dell\SARemediation\plugin\log.dll
  - C:\Program Files\Dell\SARemediation\audit\log.dll
filter_mcafee:
  ImageLoaded|startswith:
  - C:\Program Files\McAfee\
  - C:\Program Files (x86)\McAfee\
filter_titanium:
  ImageLoaded|startswith:
  - C:\program Files\Trend Micro\Titanium\
  - C:\program Files (x86)\Trend Micro\Titanium\
filter_wsc_dll_avast:
  ImageLoaded|startswith:
  - C:\program Files\AVAST Software\Avast\
  - C:\program Files (x86)\AVAST Software\Avast\
filter_wsc_dll_avg:
  ImageLoaded|startswith:
  - C:\Program Files\AVG\Antivirus\
  - C:\Program Files (x86)\AVG\Antivirus\
selection_avast:
  ImageLoaded|endswith: \wsc.dll
selection_bitdefender:
  ImageLoaded|endswith: \log.dll
selection_cyberark:
  ImageLoaded|endswith: \vftrace.dll
selection_eset_deslock:
  ImageLoaded|endswith: \DLPPREM32.dll
selection_fsecure:
  ImageLoaded|endswith: \qrt.dll
selection_mcafee:
  ImageLoaded|endswith:
  - \ashldres.dll
  - \lockdown.dll
  - \vsodscpl.dll
selection_titanium:
  ImageLoaded|endswith: \tmdbglog.dll
