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17 challenges

Digital ForensicsLevel 2★★☆☆☆

Find Attack in Apache Logs

Analyze the Apache access.log (common format) to find traces of SQL injection. Tell which attacks succeeded and which…

Digital ForensicsLevel 2★★☆☆☆

Flag Hidden in Excel Macro

Analyze the macro code embedded in the Excel workbook and find the hidden authentication code (the flag). Learn how to…

Digital ForensicsLevel 2★★☆☆☆

Hidden PDF Streams

The PDF file contains compressed object streams. An internal note that is not shown on the page is hidden inside them.…

Digital ForensicsLevel 2★★☆☆☆

Find USB History in Windows Registry

Analyze the SYSTEM file (a text model of the USBSTOR part of the registry hive) to identify the USB device that was…

Digital ForensicsLevel 2★★☆☆☆

Find Secret File in Disk Image

Inspect the ext4 filesystem disk image `disk.img`, find the secret backup hidden in the filesystem, and recover the…

Network SecurityLevel 2★★☆☆☆

Network Analysis - DNS Zone Transfer Leak

An unauthenticated DNS zone transfer (AXFR) against a misconfigured authoritative server was captured. Download the…

Network SecurityLevel 2★★☆☆☆

Network Analysis - ICMP Data Exfiltration

Data was exfiltrated from the internal host 10.20.0.15 to the external host 203.0.113.66 disguised as ping (ICMP echo…

Network SecurityLevel 2★★☆☆☆

Network Analysis - SMB Share Enumeration Leak

An attacker enumerating SMB shares on the network was captured. Download the packet capture (traffic.pcap), follow the…

Network SecurityLevel 2★★☆☆☆

Network Analysis - Telnet Credentials

A legacy server was administered over Telnet in clear text. Download the packet capture (traffic.pcap), follow the…

Network SecurityLevel 2★★☆☆☆

Network Analysis - Anonymous FTP Transfer

An anonymous FTP session was captured in clear text. Download the packet capture (traffic.pcap), follow the FTP data…

Network SecurityLevel 2★★☆☆☆

Network Analysis - Clear-text HTTP Credentials

Analyze traffic intercepted on public Wi-Fi where someone logged in over plain HTTP. Download the packet capture…

Network SecurityLevel 2★★☆☆☆

Network Analysis - Plaintext SMTP Attachment

The internal host 10.30.0.25 sent an email to port 25 of the mail server 10.30.0.10 without encryption. Download…

Digital ForensicsLevel 2★★☆☆☆

Find Password in Packet Capture

Clear-text HTTP traffic from a shop's internal network was captured. Among many requests, exactly one is the…

Digital ForensicsLevel 2★★☆☆☆

Identify Intrusion Time from File Timestamps

Analyze the modification times of the files in evidence/ to identify when the intrusion occurred and which hidden…

Digital ForensicsLevel 2★★☆☆☆

Find Process in Memory Dump

memory.dump is a simplified text of memory-analysis output (pslist / psscan / cmdline). Find the suspicious process…

Digital ForensicsLevel 2★★☆☆☆

Recover Deleted Files

Recover the deleted compressed file (ZIP) from the disk image and find the flag in the memo inside it. Learn how to…

Digital ForensicsLevel 2★★☆☆☆

Message Hidden in Image LSB

Extract the message hidden in the LSB (Least Significant Bit) of a PNG file. Learn the basics of steganography…