2025-03-10 | Xavier Mertens | Shellcode Encoded in UUIDs |
2025-03-09 | Johannes Ullrich | Commonly Probed Webshell URLs |
2025-02-19 | Xavier Mertens | XWorm Cocktail: A Mix of PE data with PowerShell Code |
2025-01-29 | Xavier Mertens | From PowerShell to a Python Obfuscation Race! |
2024-12-24 | Xavier Mertens | More SSH Fun! |
2024-08-19 | Xavier Mertens | Do you Like Donuts? Here is a Donut Shellcode Delivered Through PowerShell/Python |
2024-08-14 | Xavier Mertens | Multiple Malware Dropped Through MSI Package |
2024-03-28 | Xavier Mertens | From JavaScript to AsyncRAT |
2024-02-09 | Xavier Mertens | MSIX With Heavily Obfuscated PowerShell Script |
2024-01-26 | Xavier Mertens | A Batch File With Multiple Payloads |
2024-01-12 | Xavier Mertens | One File, Two Payloads |
2024-01-05 | Rob VandenBrink | Netstat, but Better and in PowerShell |
2024-01-03 | Jan Kopriva | Interesting large and small malspam attachments from 2023 |
2023-11-18 | Xavier Mertens | Quasar RAT Delivered Through Updated SharpLoader |
2023-09-09 | Guy Bruneau | ?Anyone get the ASN of the Truck that Hit Me?!?: Creating a PowerShell Function to Make 3rd Party API Calls for Extending Honeypot Information [Guest Diary] |
2023-08-03 | Jan Kopriva | From small LNK to large malicious BAT file with zero VT score |
2023-07-28 | Xavier Mertens | ShellCode Hidden with Steganography |
2023-06-29 | Brad Duncan | GuLoader- or DBatLoader/ModiLoader-style infection for Remcos RAT |
2023-06-19 | Xavier Mertens | Malware Delivered Through .inf File |
2023-06-09 | Xavier Mertens | Undetected PowerShell Backdoor Disguised as a Profile File |
2023-05-17 | Xavier Mertens | Increase in Malicious RAR SFX files |
2023-04-19 | Rob VandenBrink | Taking a Bite Out of Password Expiry Helpdesk Calls |
2023-03-30 | Xavier Mertens | Bypassing PowerShell Strong Obfuscation |
2023-03-21 | Didier Stevens | String Obfuscation: Character Pair Reversal |
2023-03-16 | Xavier Mertens | Simple Shellcode Dissection |
2023-02-10 | Xavier Mertens | Obfuscated Deactivation of Script Block Logging |
2023-01-17 | Rob VandenBrink | Finding that one GPO Setting in a Pool of Hundreds of GPOs |
2023-01-04 | Rob VandenBrink | Update to RTRBK - Diff and File Dates in PowerShell |
2022-12-28 | Rob VandenBrink | Playing with Powershell and JSON (and Amazon and Firewalls) |
2022-11-09 | Xavier Mertens | Another Script-Based Ransomware |
2022-10-31 | Rob VandenBrink | NMAP without NMAP - Port Testing and Scanning with PowerShell |
2022-10-17 | Xavier Mertens | Fileless Powershell Dropper |
2022-10-07 | Xavier Mertens | Powershell Backdoor with DGA Capability |
2022-09-14 | Xavier Mertens | Easy Process Injection within Python |
2022-07-25 | Xavier Mertens | PowerShell Script with Fileless Capability |
2022-06-25 | Xavier Mertens | Malicious Code Passed to PowerShell via the Clipboard |
2022-06-22 | Xavier Mertens | Malicious PowerShell Targeting Cryptocurrency Browser Extensions |
2022-06-03 | Xavier Mertens | Sandbox Evasion... With Just a Filename! |
2022-05-12 | Rob VandenBrink | When Get-WebRequest Fails You |
2022-04-25 | Xavier Mertens | Simple PDF Linking to Malicious Content |
2022-03-31 | Johannes Ullrich | Spring Vulnerability Update - Exploitation Attempts CVE-2022-22965 |
2022-03-30 | Johannes Ullrich | Possible new Java Spring Framework Vulnerability (Updated: not a Spring problem) |
2022-03-30 | Johannes Ullrich | Java Springtime Confusion: What Vulnerability are We Talking About |
2022-03-11 | Xavier Mertens | Keep an Eye on WebSockets |
2022-02-23 | Johannes Ullrich | The Rise and Fall of log4shell |
2022-01-22 | Xavier Mertens | Mixed VBA & Excel4 Macro In a Targeted Excel Sheet |
2022-01-20 | Xavier Mertens | RedLine Stealer Delivered Through FTP |
2022-01-17 | Johannes Ullrich | Log4Shell Attacks Getting "Smarter" |
2022-01-06 | Xavier Mertens | Malicious Python Script Targeting Chinese People |
2021-12-23 | Johannes Ullrich | Defending Cloud IMDS Against log4shell (and more) |
2021-12-23 | Johannes Ullrich | log4shell and cloud provider internal meta data services (IMDS) |
2021-12-21 | Xavier Mertens | More Undetected PowerShell Dropper |
2021-12-15 | Xavier Mertens | Simple but Undetected PowerShell Backdoor |
2021-12-14 | Johannes Ullrich | Log4j: Getting ready for the long haul (CVE-2021-44228) |
2021-12-11 | Johannes Ullrich | Log4j / Log4Shell Followup: What we see and how to defend (and how to access our data) |
2021-12-10 | Xavier Mertens | Python Shellcode Injection From JSON Data |
2021-12-10 | Bojan Zdrnja | RCE in log4j, Log4Shell, or how things can get bad quickly |
2021-12-07 | Johannes Ullrich | Webshells, Webshells everywhere! |
2021-11-15 | Rob VandenBrink | Changing your AD Password Using the Clipboard - Not as Easy as You'd Think! |
2021-10-18 | Xavier Mertens | Malicious PowerShell Using Client Certificate Authentication |
2021-10-01 | Xavier Mertens | New Tool to Add to Your LOLBAS List: cvtres.exe |
2021-08-20 | Xavier Mertens | Waiting for the C2 to Show Up |
2021-08-09 | Jan Kopriva | ProxyShell - how many Exchange servers are affected and where are they? |
2021-05-28 | Xavier Mertens | Malicious PowerShell Hosted on script.google.com |
2021-05-18 | Xavier Mertens | From RunDLL32 to JavaScript then PowerShell |
2021-05-06 | Xavier Mertens | Alternative Ways To Perform Basic Tasks |
2021-04-08 | Xavier Mertens | Simple Powershell Ransomware Creating a 7Z Archive of your Files |
2021-02-12 | Xavier Mertens | AgentTesla Dropped Through Automatic Click in Microsoft Help File |
2021-02-01 | Rob VandenBrink | Taking a Shot at Reverse Shell Attacks, CNC Phone Home and Data Exfil from Servers |
2021-01-21 | Xavier Mertens | Powershell Dropping a REvil Ransomware |
2021-01-18 | Didier Stevens | Doc & RTF Malicious Document |
2021-01-10 | Didier Stevens | Maldoc Analysis With CyberChef |
2021-01-09 | Didier Stevens | Maldoc Strings Analysis |
2020-12-24 | Xavier Mertens | Malicious Word Document Delivering an Octopus Backdoor |
2020-11-30 | Didier Stevens | Decrypting PowerShell Payloads (video) |
2020-11-25 | Xavier Mertens | Live Patching Windows API Calls Using PowerShell |
2020-11-19 | Xavier Mertens | PowerShell Dropper Delivering Formbook |
2020-11-05 | Xavier Mertens | Did You Spot "Invoke-Expression"? |
2020-09-24 | Xavier Mertens | Party in Ibiza with PowerShell |
2020-09-23 | Xavier Mertens | Malicious Word Document with Dynamic Content |
2020-09-11 | Rob VandenBrink | What's in Your Clipboard? Pillaging and Protecting the Clipboard |
2020-09-02 | Xavier Mertens | Python and Risky Windows API Calls |
2020-08-28 | Xavier Mertens | Example of Malicious DLL Injected in PowerShell |
2020-08-20 | Rob VandenBrink | Office 365 Mail Forwarding Rules (and other Mail Rules too) |
2020-08-06 | Xavier Mertens | A Fork of the FTCode Powershell Ransomware |
2020-08-03 | Xavier Mertens | Powershell Bot with Multiple C2 Protocols |
2020-07-27 | Didier Stevens | Analyzing Metasploit ASP .NET Payloads |
2020-07-19 | Guy Bruneau | Scanning Activity for ZeroShell Unauthenticated Access |
2020-06-12 | Xavier Mertens | Malicious Excel Delivering Fileless Payload |
2020-05-15 | Rob VandenBrink | Hashes in PowerShell |
2020-05-15 | Rob VandenBrink | SHA3 Hashes (on Windows) - Where Art Thou? |
2020-04-27 | Xavier Mertens | Powershell Payload Stored in a PSCredential Object |
2020-04-24 | Xavier Mertens | Malicious Excel With a Strong Obfuscation and Sandbox Evasion |
2020-04-17 | Xavier Mertens | Weaponized RTF Document Generator & Mailer in PowerShell |
2020-04-10 | Xavier Mertens | PowerShell Sample Extracting Payload From SSL |
2020-02-28 | Xavier Mertens | Show me Your Clipboard Data! |
2020-01-23 | Xavier Mertens | Complex Obfuscation VS Simple Trick |
2019-12-26 | Xavier Mertens | Bypassing UAC to Install a Cryptominer |
2019-12-09 | Didier Stevens | (Lazy) Sunday Maldoc Analysis |
2019-10-27 | Didier Stevens | Using scdbg to Find Shellcode |
2019-10-25 | Rob VandenBrink | More on DNS Archeology (with PowerShell) |
2019-09-17 | Rob VandenBrink | Investigating Gaps in your Windows Event Logs |
2019-07-28 | Didier Stevens | Video: Analyzing Compressed PowerShell Scripts |
2019-07-11 | Xavier Mertens | Russian Dolls Malicious Script Delivering Ursnif |
2019-07-10 | Rob VandenBrink | Dumping File Contents in Hex (in PowerShell) |
2019-06-28 | Rob VandenBrink | Verifying Running Processes against VirusTotal - Domain-Wide |
2019-06-27 | Rob VandenBrink | Finding the Gold in a Pile of Pennies - Long Tail Analysis in PowerShell |
2019-06-21 | Rob VandenBrink | Netstat Local and Remote -new and improved, now with more PowerShell! |
2019-06-03 | Didier Stevens | Tip: BASE64 Encoded PowerShell Scripts are Recognizable by the Amount of Letter As |
2019-05-31 | Didier Stevens | Retrieving Second Stage Payload with Ncat |
2019-05-30 | Didier Stevens | Analyzing First Stage Shellcode |
2019-05-28 | Didier Stevens | Office Document & BASE64? PowerShell! |
2019-04-25 | Rob VandenBrink | Service Accounts Redux - Collecting Service Accounts with PowerShell |
2019-04-24 | Rob VandenBrink | Where have all the Domain Admins gone? Rooting out Unwanted Domain Administrators |
2019-04-04 | Xavier Mertens | New Waves of Scans Detected by an Old Rule |
2019-03-30 | Didier Stevens | "404" is not Malware |
2019-03-20 | Rob VandenBrink | Using AD to find hosts that aren't in AD - fun with the [IPAddress] construct! |
2019-03-10 | Didier Stevens | Malicious HTA Analysis by a Reader |
2019-03-10 | Didier Stevens | Quick and Dirty Malicious HTA Analysis |
2019-03-05 | Rob VandenBrink | Powershell, Active Directory and the Windows Host Firewall |
2019-02-21 | Xavier Mertens | Simple Powershell Keyloggers are Back |
2019-02-17 | Didier Stevens | Video: Finding Property Values in Office Documents |
2019-02-16 | Didier Stevens | Finding Property Values in Office Documents |
2019-02-10 | Didier Stevens | Video: Maldoc Analysis of the Weekend |
2019-02-09 | Didier Stevens | Maldoc Analysis of the Weekend |
2019-01-24 | Brad Duncan | Malspam with Word docs uses macro to run Powershell script and steal system data |
2019-01-14 | Rob VandenBrink | Microsoft LAPS - Blue Team / Red Team |
2019-01-02 | Didier Stevens | Maldoc with Nonfunctional Shellcode |
2019-01-02 | Xavier Mertens | Malicious Script Leaking Data via FTP |
2018-12-19 | Xavier Mertens | Restricting PowerShell Capabilities with NetSh |
2018-12-15 | Didier Stevens | De-DOSfuscation Example |
2018-12-12 | Didier Stevens | Yet Another DOSfuscation Sample |
2018-12-03 | Didier Stevens | Word maldoc: yet another place to hide a command |
2018-11-27 | Xavier Mertens | More obfuscated shell scripts: Fake MacOS Flash update |
2018-11-26 | Xavier Mertens | Obfuscated bash script targeting QNap boxes |
2018-11-22 | Xavier Mertens | Divided Payload in Multiple Pasties |
2018-11-16 | Xavier Mertens | Basic Obfuscation With Permissive Languages |
2018-11-06 | Xavier Mertens | Malicious Powershell Script Dissection |
2018-10-26 | Xavier Mertens | Dissecting Malicious Office Documents with Linux |
2018-10-22 | Xavier Mertens | Malicious Powershell using a Decoy Picture |
2018-09-30 | Didier Stevens | When DOSfuscation Helps... |
2018-09-24 | Didier Stevens | Analyzing Encoded Shellcode with scdbg |
2018-09-08 | Didier Stevens | Video: Using scdbg to analyze shellcode |
2018-09-05 | Xavier Mertens | Malicious PowerShell Compiling C# Code on the Fly |
2018-09-03 | Didier Stevens | Another quickie: Using scdbg to analyze shellcode |
2018-08-31 | Jim Clausing | Quickie: Using radare2 to disassemble shellcode |
2018-07-30 | Didier Stevens | Malicious Word documents using DOSfuscation |
2018-07-26 | Xavier Mertens | Windows Batch File Deobfuscation |
2018-06-19 | Xavier Mertens | PowerShell: ScriptBlock Logging... Or Not? |
2018-06-04 | Rob VandenBrink | Digging into Authenticode Certificates |
2018-05-19 | Xavier Mertens | Malicious Powershell Targeting UK Bank Customers |
2018-05-09 | Xavier Mertens | Nice Phishing Sample Delivering Trickbot |
2018-05-06 | Guy Bruneau | Scans Attempting to use PowerShell to Download PHP Script |
2018-03-04 | Xavier Mertens | The Crypto Miners Fight For CPU Cycles |
2017-11-29 | Xavier Mertens | Fileless Malicious PowerShell Sample |
2017-11-15 | Xavier Mertens | If you want something done right, do it yourself! |
2017-11-11 | Xavier Mertens | Keep An Eye on your Root Certificates |
2017-10-31 | Xavier Mertens | Some Powershell Malicious Code |
2017-09-14 | Xavier Mertens | Another webshell, another backdoor! |
2017-09-11 | Russ McRee | Windows Auditing with WINspect |
2017-08-23 | Xavier Mertens | Malicious script dropping an executable signed by Avast? |
2017-08-20 | Didier Stevens | It's Not An Invoice ... |
2017-08-01 | Rob VandenBrink | Rooting Out Hosts that Support Older Samba Versions |
2017-05-12 | Xavier Mertens | When Bad Guys are Pwning Bad Guys... |
2017-05-03 | Bojan Zdrnja | Powershelling with exploits |
2017-03-30 | Xavier Mertens | Diverting built-in features for the bad |
2017-02-28 | Xavier Mertens | Analysis of a Simple PHP Backdoor |
2017-02-17 | Rob VandenBrink | RTRBK - Router / Switch / Firewall Backups in PowerShell (tool drop) |
2016-12-02 | Rob VandenBrink | Protecting Powershell Credentials (NOT) |
2016-11-24 | Didier Stevens | Extracting Shellcode From JavaScript |
2016-11-23 | Tom Webb | Mapping Attack Methodology to Controls |
2016-11-18 | Didier Stevens | VBA Shellcode and Windows 10 |
2016-10-31 | Russ McRee | SEC505 DFIR capture script: snapshot.ps1 |
2016-07-13 | Xavier Mertens | The Power of Web Shells |
2016-06-03 | Tom Liston | MySQL is YourSQL |
2016-04-28 | Rob VandenBrink | DNS and DHCP Recon using Powershell |
2016-04-15 | Xavier Mertens | Windows Command Line Persistence? |
2016-01-26 | Rob VandenBrink | Pentest Time Machine: NMAP + Powershell + whatever tool is next |
2016-01-25 | Rob VandenBrink | Assessing Remote Certificates with Powershell |
2016-01-19 | Rob VandenBrink | Powershell and HTTPS ? It Ain?t All Rainbows And Lollipops! (or is it?) |
2016-01-06 | Russ McRee | toolsmith #112: Red vs Blue - PowerSploit vs PowerForensics |
2015-12-14 | Russ McRee | AD Security's Unofficial Guide to Mimikatz & Command Reference |
2015-12-10 | Rob VandenBrink | Uninstalling Problem Applications using Powershell |
2015-12-09 | Xavier Mertens | Enforcing USB Storage Policy with PowerShell |
2015-12-02 | Rob VandenBrink | Nessus and Powershell is like Chocolate and Peanut Butter! |
2015-08-12 | Rob VandenBrink | Windows Service Accounts - Why They're Evil and Why Pentesters Love them! |
2015-06-29 | Rob VandenBrink | The Powershell Diaries 2 - Software Inventory |
2015-06-24 | Rob VandenBrink | The Powershell Diaries - Finding Problem User Accounts in AD |
2015-03-30 | Didier Stevens | YARA Rules For Shellcode |
2015-02-03 | Johannes Ullrich | Another Network Forensic Tool for the Toolbox - Dshell |
2014-10-24 | Kevin Liston | Shellshock via SMTP |
2014-10-23 | Russ McRee | Digest: 23 OCT 2014 |
2014-10-06 | Johannes Ullrich | Shellshock: More details released about CVE-2014-6277 and CVE-2014-6278. Also: Does Windows have a shellshock problem? |
2014-10-01 | Russ McRee | Security Onion news: Updated ShellShock detection scripts for Bro |
2014-09-29 | Johannes Ullrich | Apple Released Update to Fix Shellshock Vulnerability http://support.apple.com/kb/DL1769 |
2014-09-25 | Johannes Ullrich | Update on CVE-2014-6271: Vulnerability in bash (shellshock) |
2014-04-06 | Basil Alawi S.Taher | "Power Worm" PowerShell based Malware |
2013-10-26 | Guy Bruneau | Active Perl/Shellbot Trojan |
2013-06-25 | Bojan Zdrnja | The race for resources |
2013-02-28 | Daniel Wesemann | Parsing Windows Eventlogs in Powershell |
2012-04-25 | Daniel Wesemann | Blacole's shell code |
2011-11-10 | Rob VandenBrink | Stuff I Learned Scripting - - Parsing XML in a One-Liner |
2009-10-17 | Rick Wanner | Cyber Security Awareness Month - Day 17 - Port 22/SSH |
2009-07-05 | Bojan Zdrnja | More on ColdFusion hacks |