Questions tagged [ioc]

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0answers
343 views

Finding a mimikatz file on a compromised host? [closed]

So I am currently struggling with a cyber security lab, and after searching various online sources and reading documentation I can't find a solution. The 2 tasks are as follows: "The attacker has ...
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0answers
243 views

MISP vs STIX/TAXII Threat Intelligence

What are the advantages and/or disadvantages between MISP and STIX/TAXII formats with a focus on deploying a local instance and push events via DXL (Data Exchange Layer)? I have to decide which ...
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0answers
37 views

OpenIOC terms and attributes

How to map URL IOCs in the OpenIOC domain? I thought Network/URI would be the more appropriate term but then I saw an open source project mapping from Network/URI in OpenIOC to URI in MISP and from ...
0
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2answers
158 views

How do I list IP addresses a system is connecting to from its memory dump or OS image (obtained from FTK Imager)? [closed]

I'm looking for a tool that will enumerate the IP addresses that a system is connecting to. This is mainly for forensic purposes, to gather IOCs. I know we can run a netstat on windows, but would like ...
2
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1answer
123 views

sandboxing IoCs and signatures

Sandboxes are used for automated extraction of indicators of compromise (IoCs) that can be used to write signatures. Can this signature then be used, for example, on an IPS system to block certain ...
3
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4answers
388 views

Indicator of Compromise effective periods [closed]

How long should IOCs be monitored even thou they might be "outdated"? Are there best practices or other reasonings? I would think monitoring IOCs indefinitely is not ideal. Perhaps 90 days would ...
1
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1answer
296 views

When to model a concept via object vs taxonomy vs galaxy in MISP?

Taxonomies in MISP are a triple of (namespace, predicate, value) referred to as "machinetags". Galaxies seem to be similar. The MISP galaxy docs state that MISP galaxy is a simple method to ...
2
votes
1answer
466 views

What is an indicator of compromise?

I'm struggling to understand what is an indicator of compromise. I found different definitions on the web but I still don't know. The definitions I found are: 1 - Something (file, network connection) ...
1
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1answer
216 views

Indicator of Compromise - Mozilla Firefox - Malware Redirect [closed]

I am having a strange issue where dragging and dropping an email onto a Mozilla Firefox window redirects the first tab to one of several websites, and the second tab opens with some text from the ...
-1
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1answer
398 views

How to read command line argument for potential issue

I have a IOC that has a command line argument that looks like this below. Wanted to see if someone could help me parse it out a little bit to understand what is happening. C:\Windows\System32\mshta....
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0answers
252 views

RegistryItem IndicatorItems in OpenIOC - what levels are required

I have seen people specify RegistryItem/KeyPath, RegistryItem/ValueName, RegistryItem/Value to fully specify the value of a registry entry, and others just use RegistryItem/Path, RegistryItem/...
-1
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1answer
243 views

indicators of compromise via email servers

Malicious files are commonly infiltrated on to the network via email attachments. Besides awareness and education to my staff to refrain from clicking on suspicious attachments, I would also like to ...