Detectionmediumtest
Potential DLL Sideloading Of Libcurl.DLL Via GUP.EXE
Detects potential DLL sideloading of "libcurl.dll" by the "gup.exe" process from an uncommon location
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Launch
Nasreddine Bencherchali (Nextron Systems)Created Fri May 05e49b5745-1064-4ac1-9a2e-f687bc2dd37ewindows
Log Source
WindowsImage Load (DLL)
ProductWindows← raw: windows
CategoryImage Load (DLL)← raw: image_load
Detection Logic
Detection Logic2 selectors
detection:
selection:
Image|endswith: '\gup.exe'
ImageLoaded|endswith: '\libcurl.dll'
filter_main_notepad_plusplus:
Image|endswith: '\Notepad++\updater\GUP.exe'
condition: selection and not 1 of filter_main_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Rule Metadata
Rule ID
e49b5745-1064-4ac1-9a2e-f687bc2dd37e
Status
test
Level
medium
Type
Detection
Created
Fri May 05
Path
rules/windows/image_load/image_load_side_load_gup_libcurl.yml
Raw Tags
attack.defense-evasionattack.persistenceattack.privilege-escalationattack.t1574.001