Zero-trust based Service to Detect / Analyze or CDR (Content Disarm & Reconstruction) for advanced malicious code attacks using non-executable document files
* SecuLetter MARS DEFENDER is a free malware analysis service. Submitted files can be used to improve the service, so please do not submit sensitive information.
For detailed usage information, please see the information below.
For detailed usage information, please see the information below.
Submit Time
File Name
Diagnosis Result
Sanitize Result
Figure out if suspicious files are malicious
- Analysis technique based on Software Reverse-engineering
- Detect malicious document files (Exploit, Macro) for hacking attack
Eliminate potential threat in suspicious files
- Based on ZeroTrust CDR (Content Disarm & Reconstruction)
- Eliminate potential threats in documents (e.g. Hypertext, DDE, Macro, JavaScript etc.) without changing layout and reconstruct the files
Policy for uploading files
- Only file size under 30MB is available, Compressed file : Can be analyzed up to 1-depth & 20 files inside in one compressed file
- Support document type
- doc/docx/docm/rtf, xls/xlsx, ppt/pptx/pptm, hwp/hpwx, pdf, html, SWF, JS, VBS, VBE, JSE, exe/dll/sys/scr, image files
※ If you need more information for the service, please email us at
contact@seculetter.com
# Terms of Service
- Submission of files to use SecuLetter MARS DEFENDER Service, means you agree to SecuLetter’s Terms of Service & Privacy Policy.
- All files submitted can be used for SecuLetter service improvement purpose and can be shared to the third party (Research firm, Community, etc.).
- Please do not submit restrict documents or any documents containing sensitive data such as copyright, personal information, etc.
- SecuLetter do not take a responsibility for all files being submitted for the service usage.
- For more information, please refer to the Seculetter service terms and conditions (www.seculetter.com/service.php).