Questions tagged [incident-response]

The art of responding to incidents in an organized and thoughtful manner.

Filter by
Sorted by
Tagged with
2
votes
1answer
55 views

Incident Response and when to consider an incident resolved

I am currently making amendments to an IR process and the topic of incident closure has come up. The organisation follows NIST and therefore their IR process has four phases: Preparation Detection &...
3
votes
0answers
79 views

Can/should I automatically report network break-in attempts?

For the last 15 years I've been using SpamCop to report the spam I receive. I do this because it sometimes results in spammers and the third-party machines they compromise getting shut down, at ...
0
votes
1answer
78 views

How to investigate potential infected client workstation

In case a central endpoint security or SIEM solution alerts on Indicators of Compromise on one client workstation in a Windows domain. There is IT staff who have admin accounts (domain accounts) on ...
0
votes
0answers
40 views

MITRE ATT&CK ICS Machine readable

Could you please help me in finding a repository for MITRE ATT&CK ICS? I was wondering if the matrix, along with labels, assets and tactics was available smewhere online, perhaps in a STIX format ...
20
votes
7answers
5k views

Prevent a bot accessing login page with multiple IPs and massive list of username/ passwords

For the second time my website seems to be the target of a large automated attack. It seems complex enough and very well executed. I have the following systems in place: Captcha on 3rd failed login ...
7
votes
4answers
7k views

Where can I find an engineer who can examine an exe and verify its legitimacy? [closed]

We have an exe file that our members have been using. It was submitted to VirusTotal and it returned one red flag: How can we have the app evaluated by a 3rd party software engineer? And how likely ...
1
vote
1answer
67 views

Do incident response plans include playbooks?

Do incident response plans include the playbooks or are the playbooks separate from the incident response plan?
1
vote
1answer
117 views

How should we respond to a root CA breach?

In the unlikely event that a root CA is breached (eg. Comodo, DigiNotar), how should people and companies respond? (Assume the people responding practice infosec & are aware of the problems of ...
1
vote
2answers
2k views

What should I do if I'm receiving Tiktok verification code even I don't use and have deleted the application in my android device?

What should I do if I'm receiving SMS on phone giving in verification code of TikTok app despite I have deleted and no longer use the application in my Android device? I got an international call ...
0
votes
0answers
422 views

Interpreting SSH information on Windows Event Viewer… sshd: Did not receive identification string from ipaddress on port portnumber

I am currently reading through Windows Event Log (OpenSSH) looking at the artefacts created by an attack, I am trying to understand the meaning of certain notifications. A brute force attack was ...
0
votes
1answer
68 views

Dealing with File Permissions from a Virtual Machine - Forensic Logical Acquisition

I am currently in the middle of operating an analysis on Autopsy of a virtual machine (VMware) that has been hacked. I have mounted the VM and I am acquiring the evidence from VMware to my physical ...
2
votes
1answer
160 views

What forensics should be collected as part of an incident response plan on Windows 10?

I am in the process of creating an IRP that responds to system hacks. I have attacked the Windows 10 myself (victim machine), using Metasploit on Kali Linux software, where I managed to gain access ...
3
votes
1answer
150 views

How to detect backdoor/root shells?

Let's assume I'm a user with root access to a machine and I'm a legit user. My machine/server runs Linux. I'm not very familiar with defensive security (I mainly practice offensive). Sometimes, ...
0
votes
2answers
163 views

DoD 52220.22-M (3 Pass wipe) and Virtual Machines

So my place of work, if you can tell by the title is either Gov or Mil, and we recently had a tech refresh where all of our workstations were replaced with VM's. We are running version VMWare Version ...
3
votes
1answer
160 views

Alternative routes for Incident Response approach other than Windows Event Viewer?

I am in preparation of developing an Incident Response Plan for a computer that has been hacked (no malware installed, just a system hack). My plan is to analyse through Windows Event Viewer to try ...
1
vote
0answers
1k views

Volatility: Issue with analyzing Windows 10 and Server 2016 systems

I have been trying to use Volatility 2.6 to analyze memory dumps generated by DumpIt. I am experiencing an issue analyzing the memory dumps (all 4 GB in size) of two Windows 10 64 bit boxes (build ...
1
vote
0answers
105 views

Some questions regarding Red Hat Linux and a case study [closed]

As part of a course I'm doing, it's presented a case study. I'm a bit stuck and not too sure where to find further info. If someone could point me in the direction, I'd appreciate it. In this case ...
1
vote
1answer
75 views

Can a forwarding rule be set on Outlook that will not be visible on office365/exchange admin interface?

In an incident concerning a user's mailbox - will any rule that forwards emails to a potential attack be visible in the office365/exchange admin interface, or is it possible to set an outlook client-...
0
votes
2answers
94 views

Incident response to a medium scale phishing attack whereas the targets are not from our company?

Our company suffered a phishing attack yesterday. While investigating about the attacker and the potential employees of ours who might have been phished, we ended up with the attacker database of ...
0
votes
1answer
174 views

Under which conditions can dllhost.exe spawn child process? | MITRE ATT&CK T1191

I was looking for conditions/circumstances under which Dllhost.exe can spawn a child process. I examined a huge quantity of event logs from various Windows system and didn't come across any event in ...
0
votes
1answer
94 views

Tools for reverse engineering malicious executables? [closed]

Are there any tools that one can reliably use for decompiling malicious executables in order to understand the inner workings of the same? Or any other reliable tool/way to quickly derive the code?
-2
votes
1answer
205 views

Pure-ftpd connections from unknown IPs

I'm seeing unknown IPs in results like this in the messages log on a CentOS 6 webserver, are these IPs actually accessing the machine? Mar 13 19:11:49 server pure-ftpd: (?@some.ip.here) [INFO] New ...
5
votes
1answer
275 views

a mysterious & pointless long-term hacking attempt?

It seems that I am the target of a mysterious ongoing hacking attempt. I have several domain names, most of which are currently parked & pointed at a single ‘main’ website. For the last couple ...
2
votes
3answers
137 views

Confusing terminologies: Incident, alert, event, ticket [duplicate]

I am doing research on Security orchestration and automation response (SOAR) and three above terminologies make me very confused. We are currently following the workflow like: some security events ...
0
votes
0answers
131 views

My mail server has seemingly been compromised, but I don't know how

We have a mail server on CPanel, and we added the company email accounts from CPanel. We use outlook as the email client. When we send emails to the procurement department, the hacker gets a copy. ...
1
vote
3answers
244 views

What use to automate incident response? [closed]

I am now read about TheHive Project - open source incident response platform. Today i asked developers about automatization of incidents, and find, that TheHive can't do this. Main feature for me is ...
1
vote
1answer
156 views

Persistent Bootable USB with Write Protection?

I am developing a series of extraction scripts (currently python 2.7) for a university project - these tools will be provided on a bootable USB for use by first responders when encountering a suspect ...
4
votes
5answers
754 views

Incident response and recovery from a security breach with unknown attack vector

Security breaches, hacks, “cyber” attacks or server compromises happen quite frequently, unfortunately, such as Quora in December 2018, Facebook in September 2018, Equifax in September 2017, Exactis ...
64
votes
5answers
17k views

Can Beehive detect a Snowden-like actor?

In a seminar, one of the Authors of Beehive: Large-Scale Log Analysis for Detecting Suspicious Activity in Enterprise Networks said that this system can prevent actions like Snowden did. From their ...
27
votes
4answers
9k views

I detected someone probing my site for weaknesses, what can I do about it? [duplicate]

My site has been getting probed by a bunch of IPs from Morroco (trying to submit forms, trying out potential URLs, trying to execute scripts etc..), I have a strong suspicion it's the same person ...
1
vote
2answers
370 views

Remote code execution and XSS vulnerabilities. What steps should be taken to secure a server once these are discovered and patched?

I've just been notified of a remote code execution vulnerability and an xss vulnerability on a site that I run. I've fixed the responsible code, but I'm wondering what steps should be taken afterwards ...
0
votes
1answer
57 views

How to recover disk image from a smartphone in “bootloop” state?

I've been playing around on data recovery from devices and so far it worked well. Now I got this new situation that I don't know how to proceed in order to put my hands on the data. My old smartphone ...
0
votes
0answers
967 views

Detection and attribution of a running attack toward US elections

Recently an attack based on booby trapped web servers was blocked by Microsoft through seizure of some of the known server names used in this attack. This attack analysis was focused to defend US ...
3
votes
1answer
65 views

Methodology for finding existing adversary presence on network

A technology company starts small in the early 90's and, for various reasons, blows up into a multi-million dollar company in a very short time around 2013. The problem is that this company is ...
0
votes
1answer
122 views

CSIRT Softwares [closed]

I'm wondering what kind of software Computer Security Emergency Response teams use to manage their work? For example to catalog incidents, responses and manage risks.
2
votes
1answer
406 views

Use Splunk to run Nmap scan from remote host to potential attacker

When receiving internal attacks, I'd like to utilize Splunk alerts to trigger an Nmap scan against that attacking host from a remote machine; one other than the Splunk server. Is there any API or ...
1
vote
1answer
339 views

CEH Incident Response phases: Investigation vs Analysis

I am preparing for CEH from Oriyano book. He refers to NIST's incident response phases. These phases are: Response Triage Investigation Containment Analysis and tracking Recovery Repair Debriefing ...
3
votes
1answer
102 views

Managing critical passwords and data across a small business with a focus on business continuity

I work with a small startup in the beginning of it's life cycle. I recently raised some security concerns involving business continuity and emergency preparedness. I have been trying to make a ...
1
vote
1answer
249 views

Can we know what hacker has come up to so far in his attempt?

I have discovered 'accidentally' while searching in my command history, that some one has issued these : passwd w cat /proc/cpuinfo free -m uptime w perl v.py python v.py chmod +x * ./a 94.10 and ...
57
votes
8answers
19k views

Brutalized VPS recovery data now available. Considerations? [closed]

Backstory My sites and VPS were stolen from me. The hosting company and I were locked out and unable to access it. They weren't able to create a temp password for access because the attacker blocked ...
1
vote
0answers
249 views

Invalid certificate error appears on my web server for 10 minutes and then disappears

I have a raspberry pi that hosts a web server and has a DDNS registered through no-ip. I just had an issue connecting to my webserver because a certificate appeared to be installed on this server that ...
1
vote
1answer
577 views

SSD Wipe to remove known & unknown malware [duplicate]

Does anyone know of a method to wipe a HDD that gives a high degree of confidence that any malware present will not persist when the OS is reinstalled? Using tools on Linux and/or Windows? We have ...
2
votes
2answers
143 views

How to best educate users on telltale signs of malware infections?

My company is in the process of training and testing all employees on our security policies and practices. As a member of the team doing this training and testing, I had a thought that it may be ...
2
votes
2answers
722 views

What's the danger of malicious JS and .DOC files in the AppData\Local\Temp folder?

I keep seeing malicious .DOC and .JS files appear in the \AppData\Local\Temp & the \Temporary Internet Files of users. A few questions: Under what circumstances do DOCs and JS files appear in ...
47
votes
3answers
8k views

Should we keep logs forever to investigate past data breaches?

Listening to the Secure code lessons from Have I Been Pwned made me really think about logging. It appears that in the real world a lot of data breaches are discovered long after they happened which ...
16
votes
8answers
3k views

How to make people report incidents?

I would like to know how you make employees report incidents. Incident reports are a key element of an ISMS. No reports = No discovery of the incident = High chance things go out of control. We have ...
0
votes
3answers
93 views

Is it recommended to patch announced vulnerability for unused services or features?

Sometimes vendors announce software upgrade to patch some discovered vulnerability in some feature or service which is not enabled in your system. Is it recommended to upgrade your software although ...
6
votes
1answer
359 views

What are the most valuable information when handling an IT security event/incident?

I'm currently looking into reporting processes in information security and I was wondering what kind of information should be reported when an IT security event or incident occurs. The definitions of ...
6
votes
1answer
585 views

What are some options for a small company on a budget to maintain a bug bounty program? [closed]

I work for a B2B SaaS startup that doesn't have a lot of money (we're 6 people, 2 developers, have about 6 months of runway, and $25K monthly revenue, < 50 customers). Common advice that I've seen ...
0
votes
1answer
6k views

Is this event a security concern: Windows 10: Event 360, User Device Registration?

My computer just froze, and I ended up having to reboot. It appears Windows Defender was coming up with a notification, but that froze as well. I was trying to see what went wrong in the event ...