Internet Storm Center
Sign In
Sign Up
SANS Network Security: Las Vegas Sept 4-9.
Handler on Duty:
Guy Bruneau
Threat Level:
green
Date
Author
Title
POWER OUTAGE
2011-09-09
Johannes Ullrich
Large power outage in Southern California may last until Friday. http://www.sdge.com
2011-08-15
Rob VandenBrink
8 Years since the Eastern Seaboard Blackout - Has it Been that Long?
POWER
2024-08-19/a>
Xavier Mertens
Do you Like Donuts? Here is a Donut Shellcode Delivered Through PowerShell/Python
2024-08-14/a>
Xavier Mertens
Multiple Malware Dropped Through MSI Package
2024-03-28/a>
Xavier Mertens
From JavaScript to AsyncRAT
2024-02-09/a>
Xavier Mertens
MSIX With Heavily Obfuscated PowerShell Script
2024-01-26/a>
Xavier Mertens
A Batch File With Multiple Payloads
2024-01-12/a>
Xavier Mertens
One File, Two Payloads
2024-01-05/a>
Rob VandenBrink
Netstat, but Better and in PowerShell
2024-01-03/a>
Jan Kopriva
Interesting large and small malspam attachments from 2023
2023-11-18/a>
Xavier Mertens
Quasar RAT Delivered Through Updated SharpLoader
2023-09-09/a>
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/a>
Jan Kopriva
From small LNK to large malicious BAT file with zero VT score
2023-06-29/a>
Brad Duncan
GuLoader- or DBatLoader/ModiLoader-style infection for Remcos RAT
2023-06-19/a>
Xavier Mertens
Malware Delivered Through .inf File
2023-06-09/a>
Xavier Mertens
Undetected PowerShell Backdoor Disguised as a Profile File
2023-05-17/a>
Xavier Mertens
Increase in Malicious RAR SFX files
2023-04-19/a>
Rob VandenBrink
Taking a Bite Out of Password Expiry Helpdesk Calls
2023-03-30/a>
Xavier Mertens
Bypassing PowerShell Strong Obfuscation
2023-03-21/a>
Didier Stevens
String Obfuscation: Character Pair Reversal
2023-02-10/a>
Xavier Mertens
Obfuscated Deactivation of Script Block Logging
2023-01-17/a>
Rob VandenBrink
Finding that one GPO Setting in a Pool of Hundreds of GPOs
2023-01-08/a>
Guy Bruneau
DShield Sensor JSON Log Analysis
2023-01-04/a>
Rob VandenBrink
Update to RTRBK - Diff and File Dates in PowerShell
2022-12-28/a>
Rob VandenBrink
Playing with Powershell and JSON (and Amazon and Firewalls)
2022-11-09/a>
Xavier Mertens
Another Script-Based Ransomware
2022-10-31/a>
Rob VandenBrink
NMAP without NMAP - Port Testing and Scanning with PowerShell
2022-10-17/a>
Xavier Mertens
Fileless Powershell Dropper
2022-10-07/a>
Xavier Mertens
Powershell Backdoor with DGA Capability
2022-07-25/a>
Xavier Mertens
PowerShell Script with Fileless Capability
2022-07-23/a>
Guy Bruneau
Analysis of SSH Honeypot Data with PowerBI
2022-06-25/a>
Xavier Mertens
Malicious Code Passed to PowerShell via the Clipboard
2022-06-22/a>
Xavier Mertens
Malicious PowerShell Targeting Cryptocurrency Browser Extensions
2022-06-03/a>
Xavier Mertens
Sandbox Evasion... With Just a Filename!
2022-05-12/a>
Rob VandenBrink
When Get-WebRequest Fails You
2022-04-25/a>
Xavier Mertens
Simple PDF Linking to Malicious Content
2022-03-11/a>
Xavier Mertens
Keep an Eye on WebSockets
2021-12-21/a>
Xavier Mertens
More Undetected PowerShell Dropper
2021-12-20/a>
Jan Kopriva
PowerPoint attachments, Agent Tesla and code reuse in malware
2021-12-15/a>
Xavier Mertens
Simple but Undetected PowerShell Backdoor
2021-11-15/a>
Rob VandenBrink
Changing your AD Password Using the Clipboard - Not as Easy as You'd Think!
2021-10-18/a>
Xavier Mertens
Malicious PowerShell Using Client Certificate Authentication
2021-10-01/a>
Xavier Mertens
New Tool to Add to Your LOLBAS List: cvtres.exe
2021-05-28/a>
Xavier Mertens
Malicious PowerShell Hosted on script.google.com
2021-05-18/a>
Xavier Mertens
From RunDLL32 to JavaScript then PowerShell
2021-05-06/a>
Xavier Mertens
Alternative Ways To Perform Basic Tasks
2021-04-23/a>
Xavier Mertens
Malicious PowerPoint Add-On: "Small Is Beautiful"
2021-04-08/a>
Xavier Mertens
Simple Powershell Ransomware Creating a 7Z Archive of your Files
2021-02-12/a>
Xavier Mertens
AgentTesla Dropped Through Automatic Click in Microsoft Help File
2021-01-21/a>
Xavier Mertens
Powershell Dropping a REvil Ransomware
2021-01-10/a>
Didier Stevens
Maldoc Analysis With CyberChef
2021-01-09/a>
Didier Stevens
Maldoc Strings Analysis
2020-12-24/a>
Xavier Mertens
Malicious Word Document Delivering an Octopus Backdoor
2020-11-30/a>
Didier Stevens
Decrypting PowerShell Payloads (video)
2020-11-25/a>
Xavier Mertens
Live Patching Windows API Calls Using PowerShell
2020-11-19/a>
Xavier Mertens
PowerShell Dropper Delivering Formbook
2020-11-05/a>
Xavier Mertens
Did You Spot "Invoke-Expression"?
2020-09-24/a>
Xavier Mertens
Party in Ibiza with PowerShell
2020-09-23/a>
Xavier Mertens
Malicious Word Document with Dynamic Content
2020-09-11/a>
Rob VandenBrink
What's in Your Clipboard? Pillaging and Protecting the Clipboard
2020-08-28/a>
Xavier Mertens
Example of Malicious DLL Injected in PowerShell
2020-08-20/a>
Rob VandenBrink
Office 365 Mail Forwarding Rules (and other Mail Rules too)
2020-08-06/a>
Xavier Mertens
A Fork of the FTCode Powershell Ransomware
2020-08-04/a>
Johannes Ullrich
Reminder: Patch Cisco ASA / FTD Devices (CVE-2020-3452). Exploitation Continues
2020-08-03/a>
Xavier Mertens
Powershell Bot with Multiple C2 Protocols
2020-06-12/a>
Xavier Mertens
Malicious Excel Delivering Fileless Payload
2020-05-23/a>
Xavier Mertens
AgentTesla Delivered via a Malicious PowerPoint Add-In
2020-05-15/a>
Rob VandenBrink
Hashes in PowerShell
2020-05-15/a>
Rob VandenBrink
SHA3 Hashes (on Windows) - Where Art Thou?
2020-04-27/a>
Xavier Mertens
Powershell Payload Stored in a PSCredential Object
2020-04-24/a>
Xavier Mertens
Malicious Excel With a Strong Obfuscation and Sandbox Evasion
2020-04-17/a>
Xavier Mertens
Weaponized RTF Document Generator & Mailer in PowerShell
2020-04-10/a>
Xavier Mertens
PowerShell Sample Extracting Payload From SSL
2020-02-28/a>
Xavier Mertens
Show me Your Clipboard Data!
2020-01-23/a>
Xavier Mertens
Complex Obfuscation VS Simple Trick
2019-12-26/a>
Xavier Mertens
Bypassing UAC to Install a Cryptominer
2019-12-09/a>
Didier Stevens
(Lazy) Sunday Maldoc Analysis
2019-09-17/a>
Rob VandenBrink
Investigating Gaps in your Windows Event Logs
2019-07-28/a>
Didier Stevens
Video: Analyzing Compressed PowerShell Scripts
2019-07-11/a>
Xavier Mertens
Russian Dolls Malicious Script Delivering Ursnif
2019-07-10/a>
Rob VandenBrink
Dumping File Contents in Hex (in PowerShell)
2019-06-28/a>
Rob VandenBrink
Verifying Running Processes against VirusTotal - Domain-Wide
2019-06-27/a>
Rob VandenBrink
Finding the Gold in a Pile of Pennies - Long Tail Analysis in PowerShell
2019-06-21/a>
Rob VandenBrink
Netstat Local and Remote -new and improved, now with more PowerShell!
2019-06-03/a>
Didier Stevens
Tip: BASE64 Encoded PowerShell Scripts are Recognizable by the Amount of Letter As
2019-05-28/a>
Didier Stevens
Office Document & BASE64? PowerShell!
2019-04-25/a>
Rob VandenBrink
Service Accounts Redux - Collecting Service Accounts with PowerShell
2019-04-24/a>
Rob VandenBrink
Where have all the Domain Admins gone? Rooting out Unwanted Domain Administrators
2019-03-30/a>
Didier Stevens
"404" is not Malware
2019-03-20/a>
Rob VandenBrink
Using AD to find hosts that aren't in AD - fun with the [IPAddress] construct!
2019-03-10/a>
Didier Stevens
Malicious HTA Analysis by a Reader
2019-03-10/a>
Didier Stevens
Quick and Dirty Malicious HTA Analysis
2019-03-05/a>
Rob VandenBrink
Powershell, Active Directory and the Windows Host Firewall
2019-02-21/a>
Xavier Mertens
Simple Powershell Keyloggers are Back
2019-02-17/a>
Didier Stevens
Video: Finding Property Values in Office Documents
2019-02-16/a>
Didier Stevens
Finding Property Values in Office Documents
2019-02-10/a>
Didier Stevens
Video: Maldoc Analysis of the Weekend
2019-02-09/a>
Didier Stevens
Maldoc Analysis of the Weekend
2019-01-24/a>
Brad Duncan
Malspam with Word docs uses macro to run Powershell script and steal system data
2019-01-14/a>
Rob VandenBrink
Microsoft LAPS - Blue Team / Red Team
2019-01-02/a>
Xavier Mertens
Malicious Script Leaking Data via FTP
2018-12-19/a>
Xavier Mertens
Restricting PowerShell Capabilities with NetSh
2018-12-15/a>
Didier Stevens
De-DOSfuscation Example
2018-12-12/a>
Didier Stevens
Yet Another DOSfuscation Sample
2018-12-03/a>
Didier Stevens
Word maldoc: yet another place to hide a command
2018-11-22/a>
Xavier Mertens
Divided Payload in Multiple Pasties
2018-11-16/a>
Xavier Mertens
Basic Obfuscation With Permissive Languages
2018-11-06/a>
Xavier Mertens
Malicious Powershell Script Dissection
2018-10-26/a>
Xavier Mertens
Dissecting Malicious Office Documents with Linux
2018-10-22/a>
Xavier Mertens
Malicious Powershell using a Decoy Picture
2018-09-30/a>
Didier Stevens
When DOSfuscation Helps...
2018-09-05/a>
Xavier Mertens
Malicious PowerShell Compiling C# Code on the Fly
2018-07-30/a>
Didier Stevens
Malicious Word documents using DOSfuscation
2018-07-26/a>
Xavier Mertens
Windows Batch File Deobfuscation
2018-06-19/a>
Xavier Mertens
PowerShell: ScriptBlock Logging... Or Not?
2018-06-04/a>
Rob VandenBrink
Digging into Authenticode Certificates
2018-05-19/a>
Xavier Mertens
Malicious Powershell Targeting UK Bank Customers
2018-05-09/a>
Xavier Mertens
Nice Phishing Sample Delivering Trickbot
2018-05-06/a>
Guy Bruneau
Scans Attempting to use PowerShell to Download PHP Script
2018-03-04/a>
Xavier Mertens
The Crypto Miners Fight For CPU Cycles
2017-12-19/a>
Xavier Mertens
Example of 'MouseOver' Link in a Powerpoint File
2017-11-29/a>
Xavier Mertens
Fileless Malicious PowerShell Sample
2017-11-15/a>
Xavier Mertens
If you want something done right, do it yourself!
2017-11-11/a>
Xavier Mertens
Keep An Eye on your Root Certificates
2017-10-31/a>
Xavier Mertens
Some Powershell Malicious Code
2017-09-11/a>
Russ McRee
Windows Auditing with WINspect
2017-08-23/a>
Xavier Mertens
Malicious script dropping an executable signed by Avast?
2017-08-20/a>
Didier Stevens
It's Not An Invoice ...
2017-08-01/a>
Rob VandenBrink
Rooting Out Hosts that Support Older Samba Versions
2017-05-03/a>
Bojan Zdrnja
Powershelling with exploits
2017-03-30/a>
Xavier Mertens
Diverting built-in features for the bad
2017-02-17/a>
Rob VandenBrink
RTRBK - Router / Switch / Firewall Backups in PowerShell (tool drop)
2016-12-02/a>
Rob VandenBrink
Protecting Powershell Credentials (NOT)
2016-11-23/a>
Tom Webb
Mapping Attack Methodology to Controls
2016-10-31/a>
Russ McRee
SEC505 DFIR capture script: snapshot.ps1
2016-06-12/a>
Guy Bruneau
DNS Sinkhole ISO Version 2.0
2016-06-03/a>
Tom Liston
MySQL is YourSQL
2016-04-28/a>
Rob VandenBrink
DNS and DHCP Recon using Powershell
2016-04-15/a>
Xavier Mertens
Windows Command Line Persistence?
2016-01-26/a>
Rob VandenBrink
Pentest Time Machine: NMAP + Powershell + whatever tool is next
2016-01-25/a>
Rob VandenBrink
Assessing Remote Certificates with Powershell
2016-01-19/a>
Rob VandenBrink
Powershell and HTTPS ? It Ain?t All Rainbows And Lollipops! (or is it?)
2016-01-06/a>
Russ McRee
toolsmith #112: Red vs Blue - PowerSploit vs PowerForensics
2015-12-14/a>
Russ McRee
AD Security's Unofficial Guide to Mimikatz & Command Reference
2015-12-10/a>
Rob VandenBrink
Uninstalling Problem Applications using Powershell
2015-12-09/a>
Xavier Mertens
Enforcing USB Storage Policy with PowerShell
2015-12-02/a>
Rob VandenBrink
Nessus and Powershell is like Chocolate and Peanut Butter!
2015-08-12/a>
Rob VandenBrink
Windows Service Accounts - Why They're Evil and Why Pentesters Love them!
2015-06-29/a>
Rob VandenBrink
The Powershell Diaries 2 - Software Inventory
2015-06-24/a>
Rob VandenBrink
The Powershell Diaries - Finding Problem User Accounts in AD
2014-10-23/a>
Russ McRee
Digest: 23 OCT 2014
2014-04-06/a>
Basil Alawi S.Taher
"Power Worm" PowerShell based Malware
2013-02-28/a>
Daniel Wesemann
Parsing Windows Eventlogs in Powershell
2012-06-04/a>
Rob VandenBrink
vSphere 5.0 Hardening Guide Officially Released
2011-11-10/a>
Rob VandenBrink
Stuff I Learned Scripting - - Parsing XML in a One-Liner
2011-09-09/a>
Johannes Ullrich
Large power outage in Southern California may last until Friday. http://www.sdge.com
2011-08-15/a>
Rob VandenBrink
8 Years since the Eastern Seaboard Blackout - Has it Been that Long?
2006-09-28/a>
Swa Frantzen
Powerpoint, yet another new vulnerability
OUTAGE
2024-02-22/a>
Johannes Ullrich
Large AT&T Wireless Network Outage #att #outage
2017-02-28/a>
Xavier Mertens
Amazon S3 Outage
2015-03-11/a>
Rob VandenBrink
Apple iTunes Store is seeing an extended outage (11 Mar) - watch https://www.apple.com/support/systemstatus/ for status changes. (12 Mar) - service restored, all green!
2013-04-17/a>
Richard Porter
Apple iTunes Services Outage
2013-01-09/a>
Rob VandenBrink
Hotmail seeing some temporary access issues
2012-02-29/a>
Johannes Ullrich
COX Network Outage
2011-09-27/a>
donald smith
New feature in JUNOS to drop or ignore path attributes.
2011-09-09/a>
Johannes Ullrich
Large power outage in Southern California may last until Friday. http://www.sdge.com
2011-08-15/a>
Rob VandenBrink
8 Years since the Eastern Seaboard Blackout - Has it Been that Long?
2011-04-25/a>
Rob VandenBrink
Sony PlayStation Network Outage - Day 5
2011-01-30/a>
Richard Porter
The Modern Dark Ages?
2010-12-30/a>
Rick Wanner
Obvious Lessons from the Skype outage
2010-04-09/a>
Mark Hofman
Outage Update - isc.sans.org
2010-04-07/a>
Johannes Ullrich
our primary datacenter is currently experiencing a network outage
2010-03-24/a>
Kyle Haugsness
Wikipedia outage
2009-11-24/a>
Johannes Ullrich
The ISC and DShield websites will be unavailable on Wednesday Nov 25th from 8-8:30 am EST.
2009-08-18/a>
Deborah Hale
Domain tcpdump.org unavailable
2008-12-28/a>
Raul Siles
Level3 Outage?
2008-12-28/a>
Raul Siles
AT&T Wireless Outage
2008-08-14/a>
Mari Nichols
SBC Outage?
2008-08-09/a>
Deborah Hale
Cleveland Outage
2008-06-01/a>
Swa Frantzen
The Planet outage - what can we all learn from it?
2008-04-06/a>
Tony Carothers
Happenings in the Northeast US
Homepage
Diaries
Podcasts
Jobs
Data
TCP/UDP Port Activity
Port Trends
SSH/Telnet Scanning Activity
Weblogs
Threat Feeds Activity
Threat Feeds Map
Useful InfoSec Links
Presentations & Papers
Research Papers
API
Tools
DShield Sensor
DNS Looking Glass
Honeypot (RPi/AWS)
InfoSec Glossary
Contact Us
Contact Us
About Us
Handlers
About Us
Slack Channel
Mastodon
Bluesky
X
Have you heard our daily podcast covering the latest
information security threats
?