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@travco
travco / CMIYC_2021_Crevasse_Writeup.md
Last active September 14, 2021 00:08
Writeup for Crack Me If You Can (CMIYC) for team Crevasse

We had five members on team Crevasse - zach.sanchez113, Travco, PinkieMcBluey, paymentrequired402, and lanix13. We had debated categorizing ourselves as Pro team (we did have information security professionals on the team), but considering some of our shortcomings we had doubts on if it made sense. Three of our members were participating in Crack Me If You Can for the first time, one of which had never done password cracking before the competition, another of which would be on a plane for a chunk of the competition. We also had spent a limited amount of time prepping, we had no hash/crack coordination or submission system/automation three days before competition, and most of our cracking hardware were decidedly not rigs built for password cracking. After discussing it and most members being ok with categorizing either way, Travco tossed an ancient flash drive into the air which landed logo-down and we categorized ourselves as a Street Team.

Technical Difficulties

For the competition we had a disorgani

@travco
travco / commonsuffixes_sorted
Last active July 29, 2020 17:14
Results of running zxcvbn-python on the 37+ million 15+ character passphrases in the haveibeenpwnedv2 list. Suffixes sorted by frequency of incidence only keeping the top 50k results, everything is python-style strings and escaped as such.
205144 : '123'
202427 : '.com'
112489 : '.ru'
94114 : '1'
56190 : '123456789'
53714 : '2010'
50558 : '12345'
50077 : '12'
49725 : '2'
47088 : '1234'
@travco
travco / commonprefixes_sorted
Last active July 29, 2020 17:15
Results of running zxcvbn-python on the 37+ million 15+ character passphrases in the haveibeenpwnedv2 list. Prefixes sorted by frequency of incidence only keeping the top 50k results, everything is python-style strings and escaped as such.
57083 : 'ilove'
53582 : 'the'
33735 : '123456789'
29679 : 'a'
29072 : 'love'
28886 : '1'
25000 : 'i'
24396 : '8'
24126 : 'buzz'
22949 : 'wang'