apache-log4j-poc
local-log4j-vuln-scanner
| apache-log4j-poc | local-log4j-vuln-scanner | |
|---|---|---|
| 3 | 10 | |
| 105 | 381 | |
| - | - | |
| 3.8 | 1.8 | |
| over 2 years ago | almost 2 years ago | |
| Java | Go | |
| - | GNU General Public License v3.0 only |
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apache-log4j-poc
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2021-12-10 - Cool Query Friday - Hunting Apache Log4j CVE-2021-44228 (Log4Shell)
Proof of Concept
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Log4j 0day being exploited
Exploit: https://github.com/tangxiaofeng7/apache-log4j-poc
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Log4j RCE Found
Are there any mitigations in recent JVMs?
I tried reproducing this, and got the POC to hit the LDAP server, but it wouldn't load the test payload.
See also:
- https://github.com/tangxiaofeng7/apache-log4j-poc
local-log4j-vuln-scanner
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Log4J Network Scanning/Detection on a 100k+ Node Network
The last scanner type is looking for the classes. Carnegie Mellon’s CERTCC released one that is referenced by CISA: https://github.com/CERTCC/CVE-2021-44228_scanner that look for class names and some fingerprints. Then there is a scanner written in Go that checks for the vulnerable class files and their hashes (inside JARs, WARs,EARs, and zips). https://github.com/hillu/local-log4j-vuln-scanner
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Log4jscanner by Google
I have been scanning with https://github.com/hillu/local-log4j-vuln-scanner and that problem was resolved in there.
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So how exactly is Log4j supposed to be patched/mitigated on Windows?
If you want to scan your system for vulnerable log4j instances, https://github.com/hillu/local-log4j-vuln-scanner has binaries and is constantly updated
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All log4j detection tools fail these cases - be careful
We are using this local log4j scanner: https://github.com/hillu/local-log4j-vuln-scanner/
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Cisco AMP/Endpoint is not a great product for Endpoint Security.
https://github.com/hillu/local-log4j-vuln-scanner - Nope
- Vulnerabilidade Log4j
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Can PDQ be used to scan for log4j usage?
Log4j may be included in other jars, so a recursive ps scan like https://github.com/hillu/local-log4j-vuln-scanner may come to rescue
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Any mitigations in the works for the log4j critical CVE?
The scanner provided by https://github.com/hillu/local-log4j-vuln-scanner gives us the following output when using "/opt/qradar/" as directory.
- Log4j 0day being exploited
What are some alternatives?
nuclei-templates - Community curated list of templates for the nuclei engine to find security vulnerabilities.
tfsec - Security scanner for your Terraform code
rogue-jndi - A malicious LDAP server for JNDI injection attacks
log4jscanner - A log4j vulnerability filesystem scanner and Go package for analyzing JAR files.
lunasec - LunaSec - Dependency Security Scanner that automatically notifies you about vulnerabilities like Log4Shell or node-ipc in your Pull Requests and Builds. Protect yourself in 30 seconds with the LunaTrace GitHub App: https://github.com/marketplace/lunatrace-by-lunasec/
CVE-2021-44228-Scanner - Vulnerability scanner and mitigation patch for Log4j2 CVE-2021-44228
log4shell_ioc_ips - log4j / log4shell IoCs from multiple sources put together in one big file (IPs) more coming soon (CVE-2021-44228)
Log4jPatcher - A mitigation for CVE-2021-44228 (log4shell) that works by patching the vulnerability at runtime. (Works with any vulnerable java software, tested with java 6 and newer)
nse-log4shell - Nmap NSE scripts to check against log4shell or LogJam vulnerabilities (CVE-2021-44228)
CVE-2021-44228-Log4Shell-Hashes - Hashes for vulnerable LOG4J versions
Windowslog4jClassRemover