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Questions tagged [audit]

Observing/logging a resource for purposes of: - Adding it to a blacklist of whitelist - Keeping tabs on the security of a system

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13 views

Auditd how to exclude everything

I am trying to exclude everything but the things I want in Auditd, however the things I've tried, seem to log a lot more details, the majority are irrelevant. -a never,exclude -F msgtype=CWD -a ...
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1answer
30 views

Auditing permission changes in Exchange

What's the best way to confirm to an auditor that a change made to any permission in Exchange was actually made by a legitimate admin with an approved change ticket? We were recently asked to ...
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1answer
24 views

Exchange 2016: How to audit mailbox user access to get their IP?

I have a mailbox user (Exchange 2016) who belief that his mailbox was hacked. So I want to audit the access to his mailbox. I enabled audit via Set-Mailbox -Identity "Ben Smith" -AuditEnabled $true ...
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0answers
23 views

Auditd - log all ssh sessions

We have about a thousand servers / virtual machines, and currently keeping track of who did what where isn't easy. And to make it worse, clients have access to their own machines and often don't know ...
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0answers
32 views

Windows registry subkey creation not generating logs (Windows event ID 4657)

I am experiencing an issue where I am trying to audit a specific registry key via Windows Event ID 4657. TL; DR: I have tried to setup auditing on a registry key when a new subkey is created under it,...
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0answers
48 views

File system audit doesn't work for folder creation in Windows 7

I wish to enable file system audit in Windows 7. Surprisingly, I've found that no audit events occurs, when folders are creating. There is events for folder/file deletion, for file creation, but no ...
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2answers
123 views

Windows Server File Share Audit File Attribute Modification

My goal is to identify what user has set the Hidden attribute on a file within the local file share. I have enabled File Share access auditing as per this article. In short: Added a group policy ...
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1answer
27 views

Using auditd and retaining log files for 6 months.

Disclaimer: I'm not an accredited nor very experienced sysadmin but have been tasked with some sysadmin responsibilities Task: Find a way to log all account management activities (e.g., account ...
2
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3answers
68 views

Password change audit on solaris

Is it possible for the Solaris audit sub system to log all password resets for local Solaris accounts? I can't find anything in Oracle's docs, or through general googling, so I'm curious whether this ...
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1answer
72 views

ausearch to filter audit logs to show only read, write , attribute changes in file

I want to filter audit logs for changes made to /etc/hosts file using ausearch (audit). I can see multiple entries for single modify action for file in ausearch like syscall=chmod, syscall=open etc. ...
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1answer
51 views

Enabling audit logging on GCP for VM creation

In Google Cloud Platform, is all audit logging enabled by default? I'm interested in Admin Activity logs (https://cloud.google.com/logging/docs/audit/#admin-activity), which "record when VM instances ...
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0answers
208 views

How to do logging in a NFS share

I'm trying to log events occurring into a NFS share. But I don't understand the difference between the usage of rsyslog and auditd in the logs of a NFS share. Is rsyslog required to log events ...
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0answers
16 views

Default Domain Policy Applied Computers?

Is there a way to get which computers or how many of our computers got default domain policy successfully? We have a security KPI that asks us "what is the percentage of the computers got default ...
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0answers
77 views

auditctl doesn't stores reads

So I have this rule on auditctl: -w /home/ec2-user/myfile -p rwa -k key-name But when I run ausearch -f /home/ec2-user/myfile or check the logs in /var/log/audit/audit.log, I can't see any ...
2
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1answer
364 views

Can't enable Event Log

Hi I have a Windows 2012 Server and would like to do some event logging. But when I go to the event logger I am unable to Enable Logging for the desired events. (I'm logged in as the Administrator ...
1
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1answer
36 views

How to consume filesystem audit information

We have a system used by some departments in the company and we were facing issues due to some miss-configurations on that system so I enabled auditing files being Written or deleted. Now that I have ...
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0answers
20 views

Security Template: Removing Audit from a folder that has inherited audit settings

I've turned on file / folder auditing on a network of Win7 clients with Windows Server 2008 R2 Domain Controller. I did this by using a security template created on a Win7 client which I then imported ...
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0answers
33 views

Detailed logging of administrator actions on Windows Server 2008 r2

I want to log all actions of the administrators on the server. I changed Computer Configuration | Windows Settings | Security Settings | Advanced Audit Policy Configuration | System Audit Policies | ...
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0answers
93 views

How to delete .sqlaudit files with offline database engine?

MS 2014 SQL Management Studio OUR SQL Engineer is on vacation and one of our database engine's have shut down due to audit's filling up. I noticed the F:\Audits folder is pretty full, so I tried to ...
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0answers
44 views

Server 2012 User logins log

As part of a technical team at an institution I am needing a way to view users logging onto computers in realtime What I would like to know is if I can have an auto updating program/script that will ...
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0answers
67 views

Blank sections in CIS Benchmark for Windows 2016 Server

When reviewing the CIS benchmarks for Windows 2012 and Windows 2016 Server, many sections, such as Event Log, Local Policies, etc. say "This section is intentionally blank and exists to ensure the ...
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1answer
62 views

auditctl: Error - nested rule files not supported

I'm trying to list the rules in a rules file using auditctl, whenever I do: auditctl -R audit.rules -l; I receive the error Error - nested rule files not supported. I've gone so far as to empty the ...
2
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2answers
802 views

Owner/administrator doesn't have permissions to change audit settings

I want to enable file auditing on a shared network drive specifically in order to track who creates and deletes files (in the event of a catastrophe). Somehow I don't have permission to change or ...
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0answers
54 views

Why do some System Call Audit Rules omit the -S Flag?

I've been tasked with adding some audit rules to our audit system, so I'm educating myself about the kernel audit system. I'm currently learning how to read audit rules, and it looks like some of ...
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1answer
78 views

How to detect unused windows server shared folders

We have inherited a fileserver that holds a bunch (about 100) nested shared folders. For example: D:\L1 > shared as L1 D:\L1\L2 > shared as L2 D:\L1\L2\L3 > shared as L3 I am currently ...
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0answers
23 views

get audit settings file or directory

I am looking for a report / utility that will tell me what Audit Settings have been set for a particular directory from a command prompt not through the UI. For example, I set the advanced security ...
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0answers
163 views

How to monitor the Windows Certificate Store

I have a strange phenomenon on some Windows 10 client machines. I install a root certificate from our enterprise CA on them through a script (none of the clients are domain-joined). Immediately after ...
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1answer
145 views

About GCP Console login audit

I wonder How to get "audit log" GCP Console (https://console.cloud.google.com) loggin failure ? Thank you.
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0answers
136 views

Windows Server File auditing Filtering for true file opens

In auditing for Event ID 4663 in the security log of a Windows File server for users opening files and I'm finding that there seems to be in my opinion some false positives. I have a Windows Server ...
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1answer
961 views

Auditing NTLM authentication on Domain Controllers: which GPO?

We are wanting to turn on NTLM authentication auditing to gather further details on some clients trying to authenticate using NTLM to the domain/DCs. Specifically we want to enable: Network ...
0
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1answer
344 views

How to stop syslog or auditd/ audisp from adding host information to forwarded log files? [duplicate]

I have forwarded the auditd log files to central log server but the log received at the central log server have extra information added to it which I dont want. Note (auditd and syslog are on same ...
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1answer
310 views

GDPR - Server access logging at the point of authentication

In the UK are are undergoing a large reform of data protection policy known as GDPR. For one client we need to beef up our auditing on access to certain servers by our support and development team. I ...
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2answers
38 views

How to track and log file transfers between Production and Non-Production environments?

We have a security/compliance audit that we are preparing for and since we deal with financial institutions, one of the potential flags mentioned was how we track/monitor files that are transferred ...
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1answer
176 views

Overwritten auditd rules in PCI DSS environement

I'm setting up a PCI DSS environment and I'm facing the next problem. When installing de OS (CentOS 7.3 Minimal) I've choosen the profile "PCI DSS". When I was checkin the rules applied on /etc/audit/...
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2answers
106 views

Is there a Windows Event character count limitation?

I'm working on output analysis of the Windows Event ID 5136 ("A directory service object was modified") and more specifically events with "LDAP Display Name = nTSecurityDescriptor" (see following ...
2
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1answer
185 views

Exchange 2013 Mailbox Audit Logging only works with OWA, not changes in Outlook

So i have enabled MailboxAuditLogging for the administrator mailbox and another testuser. If i make changes in OWA the events are recorded in the audit logs. But any changes that are made in Outlook (...
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1answer
33 views

Local PC Event Viewer not logging account creation/deletion

I have a GPO that is setting audit account management success/failure on a windows 7 workstation. RSOP User Acc is created Any idea what could be causing this issue with logging events?
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2answers
34 views

Log every file that a process accesses

I want to be able to take a process on a Linux machine and log every file that it opens, reads, or writes during a certain time window. For example, let's say that I suspect that Apache is using an ...
2
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0answers
85 views

How do I audit cgroup changes

I have a container process that is mysteriously changing cgroups long after it has been started. How do I track down who/what is changing it? I tried watching my audit log when manually doing a ...
0
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1answer
28 views

How to monitor success or failure of attempts to modify security settings or permissions in GAE?

In AWS I can use CloudTrail to monitor API calls that may impact IAM groups and roles. In Google App Engine, is there any similar offering like CloudTrail? In Google Cloud Platform, as far as I can ...
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1answer
29 views

How to monitor success or failure of attempts to modify security settings or permissions in AWS?

In AWS console, I can assign an IAM user to a group whose permissions is defined by associated policies. The credential report in IAM seems to only report some basic attributes of IAM each user and ...
3
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1answer
61 views

file change auditing (especially for web.configs)

We occasionally have configurations in web.config(s) being changed by the IT team on live production servers. I would like to create an audit trail, e.g., "On October 11 the property "foo" in file "...
0
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2answers
413 views

Track folder for create/delete/move events and send a daily report

I'd like to track events such as create/delete/move for files and folders on a certain file server. This should work based on certain folders only (track folder x and nothing else). This is a Windows ...
2
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0answers
445 views

Set audit policy, overriding group policy

My goal is to configure advanced audit policy for file system objects on some Windows machines, such that it overrides group policy. I need this to work for both Windows Server 2008 (R1) and later ...
2
votes
2answers
718 views

What's stopping auditd from logging writes by Syslog when watching a Syslog file?

We've recently started using auditd on one of our Ubuntu servers. The example audit.rules file we were given has a rule like this: -w /var/log/syslog -p wra -k logs However, when syslog writes to ...
0
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1answer
36 views

Keep Root Account Audit Trail

I am the owner of a company. I want to keep an audit trail of our Unix administrator who has root access to the CentOS system. How can I configure it such that the audit trail cannot be bypassed and ...
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0answers
166 views

capture commands executed remotely using SSH in Auditd

I have configured Auditd in a RHEL6 server and enabled TTY logging using pam_tty_audit.so enable=* in /etc/pam.d/system-auth and /etc/pam.d/password-auth I don't have any other rules configured ...
65
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8answers
15k views

A previous IT worker probably left some backdoors. How can I eliminate them? [duplicate]

I started working for a company that fired a previous IT worker for leaking data. I can only say the following things: We use a Firebird DB with an application written by another company, Proxmox, ...
0
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2answers
973 views

Exchange 2013 - no admin and mailbox audit logs

I recently installed on a new network Exchange 2013. I noticed that my admin audit logs and mailbox audit logs are empty. I did Search-AdminAuditLog and Search-MailboxAuditLog and it brought no ...
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2answers
669 views

Group Policy to enable file audit

What am I missing here? I'm trying to enable file auditing so I can see who deleted a file via security logs in event viewer. I created the below group policy Computer Configuration > Windows ...