mahyar

OrcID: 0000-0001-8875-3362 PhD Candidate (National Academy of Sciences of Ukraine - Institute for Telecommunications and Global Information) MCP - MCSA - MCSE - MCTS MCITP: Enterprise AdministratorCCNA, CCNP (R&S , Security)ISO/IEC 27001 Lead Auditor

PCAP Analysis

Learning Objectives Understand the advantages and goals of PCAP AnalysisHow to pivot into and away from PCAP Analysis (how to use findings for quicker analysis)Common tools to useHow data reduction aids in investigations Common Tools SnortTcpdumpWireSharkTShark Tools Covered Here SnortTcpdumpWireshark Notes Keep solid notes on your thinking around evidence and …

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Incident Response without Windows Event Logs

This post discuss some Digital Forensics and Incident Response (DFIR) techniques you can leverage when you encounter an environment without Windows event logs. Where are the logs? at work, we regularly respond to security incidents with ineffective logging and auditing for the purposes of a cyber incident. In some cases, …

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How To Attack Kerberos

Kerberos Fundamentals Kerberos is a network authentication protocol that works on the principle of issuing tickets to nodes to allow access to services/resources based on privilege level. Kerberos is widely used throughout Active Directory and sometimes Linux but truthfully mainly Active Directory environments. TLDR: https://www.roguelynn.com/words/explain-like-im-5-kerberos/ I am aiming to approaching …

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Windows Artifacts for Forensics Investigation

Generic Windows Artifacts Windows 10 Notifications In the path \Users\<username>\AppData\Local\Microsoft\Windows\Notifications you can find the database appdb.dat (before Windows anniversary) or wpndatabase.db (after Windows Anniversary). Inside this SQLite database you can find the Notification table with all the notifications (in xml format) that may contain interesting data. Timeline Timeline is a …

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Windows Processes Investigation

smss.exe It’s called Session Manager. Session 0 starts csrss.exe and wininit.exe (OS services) while Session 1 starts csrss.exe and winlogon.exe (User session). However, you should see only one process of that binary without children in the processes tree. Also, more sessions apart from 0 and 1 may mean that RDP …

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Active Directory Penetration Mind Map

click to see Full-Size Image Scan Network cme smb # enumerate smb hosts nmap -sP -p # ping scan nmap -PN -sV –top-ports 50 –open # quick scan nmap -PN –script smb-vuln* -p139,445 # search smb vuln nmap -PN -sC -sV # classic scan nmap -PN -sC -sV -p- # …

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Check if your Active Directory passwords are compromised in a data breach

To compare Active Directory accounts against breached passwords you need access to your Active Directory with a specific privileged account, a password list with NTLM hashes and some PowerShell commands. But why should you do this? Password hashes of Domain accounts can be dumped locally from SAM, memory, remotely and …

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Utilizing a Common Windows Binary to Escalate to System Privileges

Windows pwnage courtesy of trusted Windows binaries Introduction If you’ve ever tried to run a command prompt as administrator on your Windows OS before, you’ve seen a harmless popup appear. This is Windows User Account Control, or UAC. According to Microsoft, UAC “is a fundamental component of Microsoft’s overall security …

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SDDL Security Descriptors

Some notes to myself to use as a reference guide and to gain a better understanding of the privileges and rights assigned to Windows services in the form of SDDL security descriptor strings finally today became useful to solve a problem of a Good friend and college of mine (Dear …

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