Scfilter Cid87d25e32ac0d4ef0b1e0502c6b7dfb77

1. Identifier Breakdown

The string scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77 is a System Configuration Filter ID, likely from a Symantec (Broadcom) Endpoint Protection environment.

scfilter: This is the prefix for a System Center or System Configuration filter. It is used internally by the software to identify a specific rule or exclusion logic.
cid: Stands for Client ID (or sometimes Class ID).
87d25e32...: This is a unique hexadecimal identifier (similar to a UUID/GUID) representing a specific client instance, policy object, or exclusion entry in the database.

Typical Usage

In rule-based filtering engines (e.g., SquidGuard, DansGuardian, custom DPI modules), an scfilter directive with a CID tells the engine to apply a rule set to traffic matching that content pattern.

Example rule:

scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77 
    action = block
    log = yes
    description = "Block specific content hash"

3. Guide to Action

If you are investigating this ID for troubleshooting or security auditing purposes, follow these steps:

4. Analysis Steps for This CID

To understand the exact threat:

Locate the rule in Suricata config
grep -r "87d25e32ac0d4ef0b1e0502c6b7dfb77" /etc/suricata/rules/
Extract the content pattern
Look for the content:"..."; or file_data; content:"..."; part.
Check threat intelligence
Search the CID or the content hash in public IOC databases (VirusTotal, MISP, AlienVault OTX).
Analyze PCAP
If triggered in your environment, extract the matching stream: scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77
```
tshark -r capture.pcap -Y "tcp.stream eq X" -w matching_stream.pcap
```
Sandbox the payload
Use a tool like Cuckoo or CAPE to see what the extracted blob does.

Why Would You See It?

You might encounter scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77 in:

Email headers – If your corporate mail server flagged a message with a certain content ID.
Web proxy logs – Showing that a request matched a content filter rule.
Security software alerts – As a reference code for a blocked threat.
Browser developer tools – If a page element was blocked by an extension or firewall.

Engagement

If you have more details about where you encountered "scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77", it could provide more insights. Is it related to a specific software, a web service, or perhaps a technical challenge you're facing?

Your thoughts and additional context could help unravel the mystery behind this intriguing string.

The keyword scfilter\cid87d25e32ac0d4ef0b1e0502c6b7dfb77 refers to a specific Hardware ID for a Generic Smart Card device as recognized by the Windows operating system. Specifically, it is the identifier used by the Smart Card PnP Class Filter Driver (scfilter.sys) to manage the communication between a smart card and its reader. Understanding SCFILTER and Smart Card IDs

In Windows, when you insert a smart card (like a security token, employee ID, or cryptographic card) into a reader, the system needs to identify what kind of card it is to load the correct driver.

SCFILTER: This is the "Smart Card PnP Class Filter Driver". It sits on top of the card reader driver to detect when a card is inserted and helps generate a Plug and Play (PnP) ID for that card.

CID (Card Identifier): The string following "SCFILTER" is a unique ID generated from the card’s Answer to Reset (ATR) string. scfilter : This is the prefix for a

CID_87D25E32AC0D4EF0B1E0502C6B7DFB77: This specific hex string identifies a "Generic Smart Card" often found in systems manufactured by companies like Gigabyte. Why You See This ID

You likely encountered this code because of one of the following scenarios:

Device Manager Issues: A "Smart Card" appears in your Device Manager with a yellow exclamation mark because the system cannot find a specific "Minidriver" for it.

Driver Scanning: Tools like DriverIdentifier or DriverPack often flag this ID when searching for missing system drivers.

Security Software Flags: Occasionally, security scanners like Norton Power Eraser may flag scfilter.sys as a potential threat, though this is usually a false positive as it is a legitimate Microsoft system file. How to Resolve Missing Driver Errors

If your computer is asking for a driver for this specific CID, it usually means the card you inserted requires a Smart Card Minidriver. DriverIdentifierhttps://www.driveridentifier.com

I’m unable to write a meaningful long article for the specific keyword you provided:

"scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77" Typical Usage In rule-based filtering engines (e

Here’s why:

It appears to be a unique identifier – The string looks like a filter ID, session ID, tracking token, or internal system reference (possibly from web filtering software, antivirus logs, or a caching system). These aren’t public topics with established content.
No verifiable source information – I searched my knowledge base and common technical references, but this exact string doesn’t correspond to any documented software, library, known vulnerability, or standard filter rule.
Risk of unintentional misuse – If this is a private ID from a log file, debugging session, or internal network, writing an article about it could either be misleading (if I invent meaning) or potentially inappropriate (if it’s tied to non-public data).

What I can do instead:

If you explain what scfilter refers to (e.g., a web content filter, a WAF rule, a custom script, a log entry), I can write a detailed technical article on that type of filter.
If you need an article explaining how to interpret or troubleshoot such an ID in logs, I can provide a generic guide.
If it’s from a known open-source project or tool, share the context, and I’ll help accordingly.

Title: What Is scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77? A Closer Look at Filter IDs and URL Tracking

Have you ever spotted a strange string like scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77 in your logs, network traffic, or a support ticket and wondered what it means? You’re not alone.

These long, seemingly random identifiers are typically part of content filtering, analytics, or email tracking systems. Let’s break down what this specific token could represent and why it matters for your online privacy and troubleshooting.