Questions tagged [logging]

Specific to logging of alerts, activities and actions. This also covers user's history managed by software such as browsers.

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39 views

Auditing Sysmon 10 DNS events on Windows 2008 R2

I have installed Sysmon 10 on a Windows 2008 R2 box in the hope of, amongst other things, capturing DNS requests. Sysmon appears to be capturing all other Event ID's except for 22. I have installed ...
2
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1answer
79 views

Is logging number of special characters in password a bad idea?

Recently I started new work, and going through documentation and code to understand what company is doing. While doing that, I noticed there is logged number of special characters in his password. ...
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3answers
97 views

Logging access tokens

In our REST API we write a log entry for every call made, including things like the query string, response code, duration etc... along with a SHA256 hash of the access token used. The thought process ...
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1answer
34k views

How do I access a firewall log (Windows 10 w. Windows Defender) [closed]

I am going through some event logs (in event viewer), and noticed I can't seem to find any firewall logs. Windows Defender provides the firewall. How do I get to the firewall logs that should be ...
5
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1answer
255 views

Logging error details in a (desktop) client application

I have a debate about how to properly log errors for the client part (Java Swing) of a client-server application from a security point of view. I think it is common sense that exposing error details ...
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3answers
130 views

Logging connections to hardcoded IP addresses

On a Windows system, I'm able to get a good idea of most outgoing traffic by enabling DNS query logging, but I am missing those connections that are made straight to hardcoded IP addresses. What would ...
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1answer
6k views

Resuming an interrupted nmap scan:

I need to: --resume <filename>: Resume an aborted interrupted scan. But I didn’t: -oN/-oX/-oS/-oG <file>: Output scan in normal, XML, s|<rIpt kIddi3, ...
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3answers
209 views

How do I immediately block IPs once they do a single malicious act?

I get this in logwatch A total of 21 sites probed the server 1.144.111.208 123.31.43.40 174.216.5.13 185.156.177.234 188.175.196.105 188.71.236.121 197.229.2.33 197....
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3answers
70 views

Securing SMTP server and its logs [closed]

Looking for general mail server security best practices here. I did some research and it's really hard to find the information out there. How do you safeguard a smtp server log? Are there any ...
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2answers
173 views

Fortigate Creating Millions of DNS events to standard domains [closed]

I am trying to tune our SIEM and noticed that we are receiving millions of DNS records every day from the same domains. These are: update.microsoft.com swscan.apple.com softwareupdate.vmware.com ...
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1answer
59 views

Local Scans initiated from a VLAN Broadcast IP address

Just reviewing some logs and I am seeing local scans to several local IP addresses on port 137 within my network. The source IP however is the broadcast IP of the VLAN (.255). I have checked the ...
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1answer
138 views

IP retrieval without visiting the site or clicking the link

I am doing some research. There are site like grabify and iplogger.org which allow you to get the IP of the person who has clicked the link. Logs are also generated by various bots when you send a ...
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1answer
63 views

What part of this request can be logged? [closed]

While testing a website i noticed a weird behaviour. When resetting the password a POST request with empty body is generated. The request is the following: POST /reset/token/[token]/passwhord-hash ...
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2answers
16k views

How are full URLs exposed when they are encrypted by HTTPS?

As far as I know, HTTPS URLs are encrypted (correct me if I'm wrong). There was a data leak recently and in one article about the leak I saw this picture: If HTTPS URLs are encrypted then how did the ...
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1answer
229 views

Benefits of placing WAF reverse proxy/transparent in front of web-based honeypots?

For my final year project, I wanted to do a comparative analysis of 2 WAF's ModSec/Shadow Daemon and web-based honeypot SNARE/TANNER. I wanted to find out if there are any benefits of placing WAF ...
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1answer
57 views

Do large companies keep a detailed “company log” book/database? [closed]

In my life, I have spent a lot of time thinking and wondering about many things related to larger businesses, even though I have no direct connection to that world. By "larger", I mean "not just a ...
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1answer
122 views

Encrypted log entries authorization

We have a database table of encrypted log entries, each encrypted entry containing information about the user who created the entry. The entry is encrypted with the encryption key of the particular ...
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2answers
89 views

How can I log access and usage of a MySQL database?

I am currently looking for an existing implementation method to generate logging of accesses and of usage of a series of MySQL databases by developers (not services) for further auditing. My current ...
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2answers
874 views

Is it ok to write OidC Bearer token to log?

During development we added to error logs details of http requests, including headers, to have better understanding for error investigation. Our architect pointed that we should not place sensitive ...
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1answer
351 views

How can I prevent modsecurity from logging binary data

In my modsecurity auditlog there is a binary file logged as text: How can I prevent modsecurity from bloating my logfiles with the content of binary files like that?
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2answers
1k views

mysql security logging

Is there any logging available that logs mysql connection attempts to the port, login attempts, and times succeeded with username, IP address and date time? Im trying to detect brute force attempts. ...
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1answer
65 views

Logging new network connections without TCP Wrappers

My current job involves auditing systems for compliance with various policies. One of these policies is that all network connections must be logged, so that the origin of the connection (IP address ...
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0answers
47 views

What does Telegram store (or potentially forward to 3rd parties)? [closed]

The Telegram messaging application apparently stores messages on its servers (at least - that's what it says in answers to this question here on the site). Is that everything it stores or forwards to ...
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0answers
40 views

What relative functionality needs to be implemented when users click an “Accept Cookies” button? [closed]

As of 2018, a recent security measure was passed, called 'The Cookie Law'. It states that; if you have a website or blog with visitors from the EU (which is likely to happen), "you need a cookie ...
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1answer
71 views

Detect vulnerability based on IIS log [closed]

Is there any tools to detect website vulnerability/suspicious request from IIS log? I was asked to do log review. The logs include IIS Log and Event Log. Is there any tools to detect if there's any ...
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0answers
33 views

Sysmon fails to use config file in Windows 7

Sysmon fails to use EventFiltering properties written in config file. I am trying to use,for example, this kind of config to detect network activity from powershell process: <Sysmon schemaversion="...
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2answers
346 views

Tracking Down Failed Logins

I've recently implemented a SIEM solution, and am now able to see a large amount of failed login attempts from legitimate users. In fact, it's such high volume that my SIEM is correlating them to be ...
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2answers
2k views

PCI DSS - mask PAN and log individual access to PAN

How do you re-conciliate two PCI DSS requirements in applications: 3.3 Mask PAN when displayed (the first six and last four digits are the maximum number of digits to be displayed), such that only ...
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1answer
207 views

What's the risk if I accidently type my password into a username field in a website? [duplicate]

On websites that separate the screens where username and password are entered, such as GMail, it is possible that the users type the password in the username field because the username is sometimes ...
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1answer
58 views

How to protect UEM (Unified Endpoint Management) agent on your endpoint

A lot of companies install a UEM agent on employee's laptop to keep track of the health status of the laptop. And they allow the laptop to connect to the internal network if this UEM sends back "...
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28 views

Does dism.log contain any sensitive information on Windows 10?

I'm looking to learn more about GPOs and powershell and when I tried to install the RSAT GPMC I received an error. I have the log of the session in dism.log but, I'm hesitant to post it anywhere as ...
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1answer
209 views

Should Session-Timeout events be logged

I am working on Audit logs for an ERP project and searching for all kind of events to be logged. In this project, session, timeouts on inactivity. I was wondering if logout by session-timeout should ...
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5answers
11k views

Is it wrong to collect and store IP addresses?

I am developing a PHP analytics program. I am using IP addresses to get its corresponding country. I was wondering if its OK to store both the IP address and Country or if its better if I just store ...
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0answers
75 views

Application Security - Security Testing Log files?

As per latest OWASP Guidelines (2019) - a security assessor has to test against application platform configuration dubbed as OTG-CONFIG-002 in OWASP Testing Guide v4. Since OWASP is a Security ...
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1answer
4k views

Can I know that my bluetooth speaker has been hacked?

I have a JBL Go bluetooth speaker paired with a Dell laptop running Ubuntu 17.10. I suspect malicious intermittent activity on that speaker, but I am not sure and I am looking for proof or evidence ...
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0answers
42 views

“GET //libs/js/iframe.js HTTP/1.1” 200 2305 “-” "python-requests/2.6.0 is it a try to hack into my server [duplicate]

Just Received a request in my nginx log 77.247.110.141 - - [16/Jun/2019:14:03:58 +0000] "GET //libs/js/iframe.js HTTP/1.1" 200 2305 "-" "python-requests/2.6.0 CPython/2.7.5 Linux/3.10.0-957.12.2.el7....
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1answer
55 views

Failed logins on a windows server - performance impact?

I have recently started analysing our logs and noticed 600-700 failed login attempts per day against a windows 2016 server hosting some shared files. I know what the cause is (another misconfigured ...
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3answers
1k views

What techniques and tools do you use to relate security events?

You have central logging going, detailed app logging/alerting (e.g. modsec), network based security alerting (e.g. snort), and whatever else feeding your observation deck. Do you have any cool ...
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0answers
39 views

Can the Windows Event Log be edited by a malicious program? [duplicate]

Is it possible that a malware can edit the Windows Event Log to hide System Event Log entries (specifically 6005 and 6006, which indicate startup and shutdown respectively)? If it is not possible, ...
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0answers
106 views

How to stop logging for a specific user?

I'm a root user on my server. There are a bunch of users on my system. As you know, when you type w you can see who is and who isn't online. With the last command you can check last users who were ...
2
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1answer
104 views

Is a good idea to have security logs stored in the cloud?

I was discussing with my friend the topic of the importance of log analytics/correlation and real-time response for an organization. Then, he mentioned that some people consider sending logs (...
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0answers
54 views

Manipulation-save logging

I have to keep a journal of all transactions that are performed in my application. Think of an invoice journal. What options do I have? E.g. an option in syslogd, or a table configuration in MySQL ...
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2answers
813 views

Track cmd executions history logs?

I bought a new notebook with Windows 10 Home edition installed on it. The notebook also had tons of other software pre-installed: all kinds of drivers, keyboard back-lighting managers and so on. I've ...
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1answer
110 views

What are these queries my router seems to be making? [closed]

I am logging my home router's firewall. It gives a lot of entries like these: 07:17:00.157793 IP 192.168.178.1.serialgateway > 192.168.178.10.syslog: SYSLOG local0.alert, length: 136 07:17:00....
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1answer
323 views

ClamAV detects virus in Modsec Audit logs

I have a Xen VM running Debian Stretch with Apache2 to play around with. I have installed ClamAV and Modsecurity (not doing anything just logging at the moment). I keep getting emails from ClamAV ...
2
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1answer
215 views

OWASP: Insufficient Logging & Monitoring - open source tools

Being new to the security and logging and after reading a lot about the terms used, I am pretty sure I neither need an IDS/IPS nor a WAF. I am mostly interested in automating the "monitoring" of my ...
6
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1answer
202 views

Looking for resources for interpreting my security logs

I am currently setting up an Apache web server on a Linux machine at my house. I am working on a website project which will allow users to log in to complete certain work. There is no open ...
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1answer
60 views

Monitoring of Logging

I wish to implement logging and auditing features on a Windows 10 client used for carrying out secure transactions through our FTP server, with a client organisation. What all features could I ...
2
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1answer
54 views

Does embedding (concatenating) a user ID in a session token for logging have any security implications?

Assuming there's a user with ID 123456 logging into a web application where the randomly generated session identifier to be stored in the cookie looks like this 123456zXRL9DWpPtaAhkPzhemQZE5P5F (that ...
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1answer
377 views

Is it normal for my IPv6 to change?

My IPv6 is changing a lot, exactly three times in last three days (I saw on Microsoft's last activity), and all accounts that I keep login on my browser have disconnected. The actual IP is listed by ...

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