ET-3246
📛 Threat Title
SIG: Suspicious File Delivery from Cloudflare Family Host
Indicators of Compromise (0)
No indicators of compromise on this threat.
References (1)
- SIG: Suspicious File Delivery from Cloudflare Family Host Emerging Threats Community
Remediations (10)
-
web:app.opencve.io
Explore the latest vulnerabilities and security issues of Cloudflare in the CVE database
-
web:blog.cloudflare.com
Examples of toxic combinations on popular application stacks We looked at a 24-hour window of Cloudflare data to see how often these patterns actually appear in popular application stacks. As shown in the table below, about 11% of the hosts we analyzed were susceptible to these combinations, skewed by vulnerable WordPress websites.
-
web:blog.sucuri.net
Beware of the fake Cloudflare verification page that tricks WordPress users. Discover how this malware operates and spreads.
-
web:community.emergingthreats.net
Yes, the intention was not to alert on the Cloudflare service host alone, but on requests to those targeted Cloudflare service families where the URI also looks like delivery of a suspicious file . The second PCRE was meant to match suspicious file extensions in the HTTP URI. Examples of the URI paths I had in mind:
-
web:cyberpress.org
They also perform post-exploitation cleanup to mitigate forensic discovery. Sekoia's detection strategy relies heavily on correlation rules and Sigma-based detection content, continuously updated to catch suspicious file types, process chains, and network connections unique to these campaigns.
-
web:developers.cloudflare.com
It will also display data such as domain count, top 10 domains and subnets. With sufficient data, AS number search results will also return the geographical distribution of traffic in its network, application level attacks and network level attacks, each broken down by Cloudflare mitigation techniques and network protocols, respectively.
-
web:developers.cloudflare.com
The malicious uploads detection is a traffic detection that scans files and other content uploaded to your application for malware. When you turn on this detection, the WAF inspects incoming uploads and checks them for malicious signatures.
-
web:developers.cloudflare.com
You can use the EICAR anti-malware test file ↗ to test content scanning (select the ZIP format). Alternatively, create a custom rule like described in the next step using a Log action instead of a mitigation action like Block. This rule will generate security events that will allow you to validate your configuration.
-
web:gbhackers.com
The rapid identification and remediation of CVE-2025-6087 highlight the importance of robust security controls in edge deployment platforms. While the flaw posed a high risk, coordinated disclosure and prompt mitigation have minimized potential exploitation for Cloudflare users. Find this News Interesting!
-
web:y4nush.com
The discussion will conclude with recommended strategies for mitigation , detection, and remediation . How Cloudflare Tunnel works A tunnel is a secure, outbound-only pathway that connects your origin to Cloudflare's global network.
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.