2018-09-24 04:23:04 +02:00
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Name: Url.dll
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Description: Internet Shortcut Shell Extension DLL.
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Author: ''
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Created: '2018-05-25'
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Commands:
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- Command: rundll32.exe url.dll,OpenURL "C:\test\calc.hta"
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Description: Launch a HTML application payload by calling OpenURL.
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Usecase: Invoke an HTML Application via mshta.exe (Default Handler).
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Category: Execution
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Privileges: User
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MitreID: T1085
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MItreLink: https://attack.mitre.org/wiki/Technique/T1085
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OperatingSystem: Windows
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- Command: rundll32.exe url.dll,OpenURL "C:\test\calc.url"
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Description: Launch an executable payload via proxy through a(n) URL (information) file by calling OpenURL.
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Usecase: Load an executable payload by calling a .url file with or without quotes.
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Category: Execution
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Privileges: User
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MitreID: T1085
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MItreLink: https://attack.mitre.org/wiki/Technique/T1085
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OperatingSystem: Windows
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- Command: rundll32.exe url.dll,OpenURL file://^C^:^/^W^i^n^d^o^w^s^/^s^y^s^t^e^m^3^2^/^c^a^l^c^.^e^x^e
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Description: Launch an executable by calling OpenURL.
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Usecase: Load an executable payload by specifying the file protocol handler (obfuscated).
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Category: Execution
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Privileges: User
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MitreID: T1085
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MItreLink: https://attack.mitre.org/wiki/Technique/T1085
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OperatingSystem: Windows
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- Command: rundll32.exe url.dll,FileProtocolHandler calc.exe
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Description: Launch an executable by calling FileProtocolHandler.
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Usecase: Launch an executable.
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Category: Execution
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Privileges: User
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MitreID: T1085
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MItreLink: https://attack.mitre.org/wiki/Technique/T1085
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OperatingSystem: Windows
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- Command: rundll32.exe url.dll,FileProtocolHandler file://^C^:^/^W^i^n^d^o^w^s^/^s^y^s^t^e^m^3^2^/^c^a^l^c^.^e^x^e
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Description: Launch an executable by calling FileProtocolHandler.
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Usecase: Load an executable payload by specifying the file protocol handler (obfuscated).
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Category: Execution
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Privileges: User
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MitreID: T1085
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MItreLink: https://attack.mitre.org/wiki/Technique/T1085
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OperatingSystem: Windows
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- Command: rundll32.exe url.dll,FileProtocolHandler file:///C:/test/test.hta
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Description: Launch a HTML application payload by calling FileProtocolHandler.
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Usecase: Invoke an HTML Application via mshta.exe (Default Handler).
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Category: Execution
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Privileges: User
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MitreID: T1085
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MItreLink: https://attack.mitre.org/wiki/Technique/T1085
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OperatingSystem: Windows
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Full Path:
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- path: c:\windows\system32\url.dll
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- path: c:\windows\syswow64\url.dll
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Code Sample: []
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Detection: []
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Resources:
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- resource: https://bohops.com/2018/03/17/abusing-exported-functions-and-exposed-dcom-interfaces-for-pass-thru-command-execution-and-lateral-movement/
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- resource: https://twitter.com/DissectMalware/status/995348436353470465
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- resource: https://twitter.com/bohops/status/974043815655956481
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- resource: https://twitter.com/yeyint_mth/status/997355558070927360
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- resource: https://twitter.com/Hexacorn/status/974063407321223168
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- resource: https://windows10dll.nirsoft.net/url_dll.html
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Acknowledgment:
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- Person: Adam (OpenURL)
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Handle: '@hexacorn'
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- Person: Jimmy (OpenURL)
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Handle: '@bohops'
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- Person: Malwrologist (FileProtocolHandler - HTA)
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Handle: '@DissectMalware'
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- Person: r0lan (Obfuscation)
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Handle: '@r0lan'
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