Is "Captcha Renamer" on Firefox Add-ons Safe to Install?
Rename reCAPTCHA v2 text to something silly.
Risk Assessment
Analyzed9 security findings detected across all analyzers
Firefox extension requesting 2 permissions
Severity Breakdown
Finding Categories
Requested Permissions
2 permissionsNo Findings
All security checks passed
Indicators of Compromise
Network indicators, suspicious strings, and potential IoCs extracted during analysis
All Indicators · 9
detected Domain: signingca1.addons.mozilla.org XIOC detected Domain: signingca1.addons.mozilla.org
extracted_from_files
detected MD5 Hash: f872a3a1f3ea65022af67a211de45a7f XIOC detected MD5 Hash: f872a3a1f3ea65022af67a211de45a7f
extracted_from_files
detected Domain: mozilla.com XIOC detected Domain: mozilla.com
extracted_from_files
detected Domain: addons.mozilla.org XIOC detected Domain: addons.mozilla.org
extracted_from_files
detected Domain: content-signature.mozilla.org XIOC detected Domain: content-signature.mozilla.org
extracted_from_files
detected Domain: example.com XIOC detected Domain: example.com
extracted_from_files
detected Domain: tbb3f1132f31a003324d37b571ebb39b0.f872a3a1f3ea65022af67a211de45a7f.addons.mozilla.org XIOC detected Domain: tbb3f1132f31a003324d37b571ebb39b0.f872a3a1f3ea65022af67a211de45a7f.addons.mozilla.org
extracted_from_files
detected URL: http://addons.mozilla.org/ca/crl.pem0N XIOC detected URL: http://addons.mozilla.org/ca/crl.pem0N
extracted_from_files
Security Analysis Summary
Security Analysis Overview
Captcha Renamer is a Firefox Add-ons extension published by Emi. Version 1.4 has been analyzed by the Risky Plugins security platform, receiving a risk score of 19.62/100 (MINIMAL risk) based on 9 security findings.
Risk Assessment
This extension presents minimal security concerns. The automated analysis found very few or no issues, suggesting it is suitable for general use.
Findings Breakdown
- Medium: 9 finding(s)
What Was Analyzed
The security assessment covers multiple analysis categories:
- Malware Detection: YARA rule matching against 2,400+ malware signatures
- Secret Detection: Scanning for exposed API keys, tokens, and credentials
- Static Analysis: Code-level security analysis for common vulnerability patterns
- Network Analysis: Detection of suspicious network communications and endpoints
- Obfuscation Detection: Identification of code obfuscation techniques
Developer Information
Captcha Renamer is published by Emi on the Firefox Add-ons marketplace. The extension has approximately 3 users.
Recommendation
Based on the automated security analysis, this extension appears safe for general use. As with any extension, users should review the requested permissions before installation.
Source Code Not Available
Source code is not available for this version of the extension.
Frequently Asked Questions
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