
焉能不說蝙蝠俠?網上評論看得多,卻仍想自己寫寫感受/解讀。
看著近年英雄片的變化,由機關佈陣的正邪大戰,到開始探討英雄本身的悲劇人性,越走向寫實,越接近凡人。到了 Christopher Nolan 的蝙蝠俠,更將故事帶到更深的層次,談
There are a reasonable number of good things about bash (and thegeneral GNU program attitude of which it is a standards-bearer). But every so often it does something that causes meto grind my teeth. This time around the irritation is what bash hasdone to the innocent exec command.
What they've done is simple: they've made exec take options.
The easiest way to explain the problem with this is in illustratedform. So:
sh$ exec -rc
<... program
The first principle of analyzing compromised machines is simple:
You can't trust anything running on a compromised machine.
If you are sufficiently paranoid, everything on a compromised machinemight be compromised and lying to you: the programs, the sharedlibraries, the data files, even the kernel. You cannot trust any ofit. This means that you cannot use a compromised machine to examineitself . Not even a little bit, however convenient it would be.
(The partial exception is that if a test on the compromised

焉能不說蝙蝠俠?網上評論看得多,卻仍想自己寫寫感受/解讀。
看著近年英雄片的變化,由機關佈陣的正邪大戰,到開始探討英雄本身的悲劇人性,越走向寫實,越接近凡人。到了 Christopher Nolan 的蝙蝠俠,更將故事帶到更深的層次,談