南邮CTF-RE-HelloRE

静态分析

IDA 打开,F5进入main函数,对十进制数右键,直接转换成char


南邮CTF-RE-HelloRE
image

发现字节序不对,接下来写个小jio本跑一下

v5 = "galf";
v6 = "leW{";
v7 = "emoc";
v8 = "_oT_";
v9 = "W_ER";
v10 ="dlro";
v11 ="}!";
print v5[ : :-1]+v6[::-1]+v7[::-1]+v8[::-1]+v9[::-1]+v10[::-1]+v11[::-1]

# flag{Welcome_To_RE_World!}

动态分析

还不太会,待更新