UTCTF_2024_Misc_CCV
题目描述
I've got some credit cards but I don't which ones are valid. Where did I get them? Uh, that's not important.
Oh, you'll probably need this: dae55498c432545826fb153885bcb06b
By mzone (@mzone on discord)
nc puffer.utctf.live 8625
young@ubuntu:~ $ nc puffer.utctf.live 8625
I'll provide you a PAN, date as MMYY, CSC, and a CVV.
You just need to reply with 1 if its valid and 0 if it's invalid.
I'm counting on you. And be sure to keep track of your answers so we don't need to check these again.
PAN: 999554623155882931, date: 0873, code: 473, cvv: 900
Valid?
1
Good job.
PAN: 707283974428771, date: 1027, code: 617, cvv: 253
Valid?
1
You're a big help.
PAN: 92893664848022323, date: 0179, code: 683, cvv: 712
Valid?
1
Nice work!
PAN: 578657095474557841, date: 0239, code: 926, cvv: 363
Valid?
1
Are you just guessing?
信用卡知识
安全码(CSC)
发卡行识别码(PAN)

参考
最后更新于