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ascii-jar's Introduction

0x01 简介

该项目是为了解决RWCTF 4th Desperate Cat,基于ascii-zip进行修改,生成字节均在ASCII范围的特殊jar。

1.1 生成包含class的ascii jar

➜ ascii-jar python3 ascii-jar-1.py
[-] CRC:False RDL:False CDL:True CDAFL:False Padding data: 1*A
[-] CRC:False RDL:False CDL:True CDAFL:False Padding data: 2*A
[-] CRC:False RDL:False CDL:True CDAFL:False Padding data: 3*A
......
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 247*A
[+] CRC:True RDL:True CDL:True CDAFL:True Padding data: 248*A
[+] Generate ascii01.jar success

1.2 生成包含META-INF/resources/的ascii jar

➜  ascii-jar python3 ascii-jar-2.py
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 1*A
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 2*A
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 3*A
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 4*A
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 5*A
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 6*A
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 7*A
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 8*A
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 9*A
[-] CRC:False RDL:True CDL:False CDAFL:True Padding data: 10*A
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 11*A
[-] CRC:False RDL:True CDL:True CDAFL:True Padding data: 12*A
[+] CRC:True RDL:True CDL:True CDAFL:True Padding data: 13*A
[+] Generate ascii02.jar success

0x02 更多

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