My friend found this strange file while perusing his computer, but we can’t read it. Can you figure out what it is and get the information from it? Difficulty: Easy/Medium The flag is in the standard format.
Solution
LevelDBDumper -d challenge -o dumpeddumped data
"[{""payload"":""eyJrZXkiOiJcIjMzNTc5M2Q1LTRhYzEtNDgyMy05MmM3LWZkM2I1YTZhMmEwN1wiIiwib3AiOiJQVVQiLCJ2YWx1ZSI6ImV5SmtZWFJoSWpwYkluTjNZVzF3UTFSR2V6RndaalV0WWpRMU0yUXRaRFEzTkdJME5UTjlJbDBzSW1sa0lqb2lYQ0l6TXpVM09UTmtOUzAwWVdNeExUUTRNak10T1RKak55MW1aRE5pTldFMllUSmhNRGRjSWlKOSJ9"",""id"":""/orbitdb/bafyreiejrtaennxufa3wvkdvyoj6ywq6nid3lukdqcnx2fc33tckzjzbke/ctf"",""next"":[{""/"":""bafyreibbadm2ajrr6io6ufqidibrpdjfpdyfobp2aqvmcprqu5yrk7mq6q""}],""refs"":[{""/"":""bafyreiesvykh6wt7hn4fry4mphv6ckxr5wq3c2fecvcjbqs4scbkizc6jm""},{""/"":""bafyreihq7osywkglsjxn5lmbegtc7izqmb66atx5trkrpcmlvtcyrr6nuy""},{""/"":""bafyreiab6do7qxgjipiypoj754vicpuscejf43eguvo2ykb2igoyrtkl64""}],""v"":2,""key"":""BJx/DXfZOVG6YkoHDGQvNQVMBaoeaEdEvcKFJP0PM1m3h9/o8lJgnTQkqGCAKovuOCovsDHQ5JOVs7qpJm3V8Ks="",""sig"":""MEQCIF5FwOBiQKgEI7njg6He6iAlwNc+Gj8+PAll5o1PCGhKAiBlnXg9+hinX6AGB2r0uXoJ3q9Tbe6azh9euPx40G8uqw=="",""identity"":{""id"":""02020192715ea41d7eaaceb4bd19516d0d4f1e8a2e81903480083dbdbe99dfefc9"",""publicKey"":""BJx/DXfZOVG6YkoHDGQvNQVMBaoeaEdEvcKFJP0PM1m3h9/o8lJgnTQkqGCAKovuOCovsDHQ5JOVs7qpJm3V8Ks="",""signatures"":{""id"":""MEQCIGx+GRqmTfPqcUL28aG2p1Q2TNEfZ9QlCgB8WU4my68UAiBZClP9WMe385COJ0WuNnXRj7BIolRC2v6vhLqUt3Yk/w=="",""publicKey"":""MEQCIFC+7AikjMLabNvdHiHh7rwrFTbystu6xc2r1h/1Zr4jAiBFxjxIMNjfI5J996HDYEQd+fnaKDi5GlNw5hgl+RwEOg==""},""type"":""orbitdb"",""Provider"":null},""hash"":{""/"":""bafyreihq6d33ifjj6jbmjptygyksgwzcrjm5kxarbbp6djbzqx2exij27u""},""clock"":{""id"":""BJx/DXfZOVG6YkoHDGQvNQVMBaoeaEdEvcKFJP0PM1m3h9/o8lJgnTQkqGCAKovuOCovsDHQ5JOVs7qpJm3V8Ks="",""time"":7}}]"❯ echo 'eyJrZXkiOiJcIjMzNTc5M2Q1LTRhYzEtNDgyMy05MmM3LWZkM2I1YTZhMmEwN1wiIiwib3AiOiJQVVQiLCJ2YWx1ZSI6ImV5SmtZWFJoSWpwYkluTjNZVzF3UTFSR2V6RndaalV0WWpRMU0yUXRaRFEzTkdJME5UTjlJbDBzSW1sa0lqb2lYQ0l6TXpVM09UTmtOUzAwWVdNeExUUTRNak10T1RKak55MW1aRE5pTldFMllUSmhNRGRjSWlKOSJ9' | base64 -d{"key":"\"335793d5-4ac1-4823-92c7-fd3b5a6a2a07\"","op":"PUT","value":"eyJkYXRhIjpbInN3YW1wQ1RGezFwZjUtYjQ1M2QtZDQ3NGI0NTN9Il0sImlkIjoiXCIzMzU3OTNkNS00YWMxLTQ4MjMtOTJjNy1mZDNiNWE2YTJhMDdcIiJ9"}%
~/ctf/swampctf/dumped❯ echo 'eyJkYXRhIjpbInN3YW1wQ1RGezFwZjUtYjQ1M2QtZDQ3NGI0NTN9Il0sImlkIjoiXCIzMzU3OTNkNS00YWMxLTQ4MjMtOTJjNy1mZDNiNWE2YTJhMDdcIiJ9' | base64 -d{"data":["swampCTF{1pf5-b453d-d474b453}"],"id":"\"335793d5-4ac1-4823-92c7-fd3b5a6a2a07\""}