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Showing posts from August, 2008

Welcome to Mark Baggett - In Depth Defense

I am the course Author of SANS SEC573 Automating Information Security with Python. Check back frequently for updated tools and articles related to course material.

Senior SANS Instructor
GSE #15
Internet Storm Center Handler
Penetration Testing and Incident Response Consultant
Technical Advisor to DoD for The SANS Institute
Founding President of the Greater Augusta ISSA
Cofounder of BSidesAugusta Security Conference

FREQ SERVER - Tool and technique for detecting Malware Command and Control domains
DOMAIN_STATES - Tool for detecting "Baby Domains" used for phishing and Malware distribution
SRUM_DUMP - Forensics tool for extracting System Resource Utilization Monitoring artifacts
LIAM_NEESON - Proof of Concept Linux Hash Protection
HONEY_HASHES - Certainly Honey Tokens have been around since 2003 but I created a cool technique for creating fake SATs in memory that was turned into Dell Secure Works DCEPT framework.
VSSOWN - Tool & Technique for Using Microsoft Volume Shadow Copies for hiding malware and extracting artifacts
SDB Hacking - Using Application Compatibility in unexpected ways.
SET-KBLED - Utility for Managing Clevo and Sager Laptop LED Backlit Keyboards - Scapy based fragement reassembly engine - A password cracker for the EAP protocol

and more. Most of these tools are available on my github page. Follow me on twitter @markbaggett


I recently had the no so pleasurable task of dissecting an 0wn3d host to determine what happened.  The attacker did the system owner a favor and tagged the site with a defacement image making detection pretty easy.  The image appeared in small title frame on the top of the page.   My initial guess was they had a directory traversal vulnerability in the image upload engine and some weak permissions on a folder structure.   We took a look at the date/time of the defaced pic and it showed the image had change the previous evening.    "find / -mtime 0" showed a few other files that had changed around the same time.   One of them was a new PHP file.   vi revealed it was a variant of the c99 PHP Shell.    So we go to the apache logs and find the attackers IP and try to figure out how he got in.     There are two interesting entries:
[14/Aug/2008:22:18:42 - - [14/Aug/2008:22:18:42 -0400] "POST /index.php?option=com_user&task=completereset HTTP/1.1" 301 - […