This year challenges were covering logs and PCAP analysis, CI/CD vulnerabilities, a container escape, webapp hacking (XXE, CSP bypass), an introduction to AWS CLI for cloud discovery and an introduction to smart contracts.
The fourth edition of Kringlecon! This year challenges were covering webapp hacking (SQLi, SSRF), binary analysis, digital forensics (logs and network capture analysis), Active Directory attacks, learning Python and shellcoding, some encryption attack, analyzing an IMDS service and FPGA programming. Two challenges on Log4Shell were added as well during the challenge.
This year’s challenges were a good mix of defensive and offensive skills. Topics varied from webapp hacking, crypto, log analysis, binary analysis to improving JS, regex and network skills. There were as well some simulated hardware challenges. The most challenging part was the analysis and recovery of a custom blockchain's block that was stealthily altered.
OS: Linux | Level: Medium | Creator: MrR3boot | Released: February 22nd, 2020 | Retired: July 11th, 2020 | Difficulty: 6.2/10 | Appreciation: 4.1/5
OS: Linux | Level: Hard | Creators: InfoSecJack & chivato | Released: April 4th, 2020 | Retired: July 4th, 2020 | Difficulty: 6.3/10 | Appreciation: 3.8/5
OS: Linux | Level: Insane | Creators: MrR3boot & b14ckh34rt | Released: December 14th, 2019 | Retired: June 27th, 2020 | Difficulty: 7.7/10 | Appreciation: 4.4/5
OS: Windows | Level: Easy | Creators: dmw0ng | Released: April 11th, 2020 | Retired: June 20th, 2020 | Difficulty: 4.1/10 | Appreciation: 2.1/5
OS: Windows | Level: Medium | Creators: egre55 | Released: January 11th, 2020 | Retired: June 13th, 2020 | Difficulty: 4.8/10 | Appreciation: 4.3/5
OS: Windows | Level: Easy | Creators: VbScrub | Released: January 25th, 2020 | Retired: June 5th, 2020 | Difficulty: 5.2/10 | Appreciation: 4/5