T1223: Compiled HTML File Mitigation
Consider blocking download/transfer and execution of potentially uncommon file types known to be used in adversary campaigns, such as CHM files. [1] Also consider using application whitelisting to prevent execution of hh.exe if it is not required for a given system or network to prevent potential misuse by adversaries.
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Compiled HTML File Mitigation
Consider blocking download/transfer and execution of potentially uncommon file types known to be used in adversary campaigns, such as CHM files. [1] Also consider using application whitelisting to prevent execution of hh.exe if it is not required for a given system or network to prevent potential misuse by adversaries.
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
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Object version and sync metadata
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Imported snapshots across ATT&CK releases (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle Deprecated | 98fd130ea8aa… |
Mirrored ATT&CK source object
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External references and citations
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[1]
PaloAlto Preventing Opportunistic Attacks Apr 2016
Kiwi. (2016, April 6). Breakout Recap: Cybersecurity Best Practices Part 1 - Preventing Opportunistic Attacks. Retrieved October 3, 2018.
Open source URL -
[2]
mitre-attack T1223Open source URL
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