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发表于 2002-12-17 18:51:44
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来自 中国–北京–北京
以下是引自国内著名cracker Hambo 的原话。
那几句中文应该算是工作原理吧。
- :00D7ACBC EFC4FCFF call 00D471A0
- :00D7ACC1 83C414 add esp, 00000014
- :00D7ACC4 85C0 test eax, eax
- :00D7ACC6 EB15 jmp 00D7ACDD <--- 改成这样就永远跳过i去,即使是非class c的ip。
- * Possible StringData Ref from Data Obj ->"LAN servers are restricted to "
- ->"local clients (class C).
- "
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- :00D7ACC8 68587DDF00 push 00DF7D58
- :00D7ACCD 53 push ebx
- :00D7ACCE E87DFBFFFF call 00D7A850
- :00D7ACD3 83C408 add esp, 00000008
- :00D7ACD6 33C0 xor eax, eax
- :00D7ACD8 5F pop edi
- :00D7ACD9 5E pop esi
- :00D7ACDA 5B pop ebx
- :00D7ACDB 5D pop ebp
- :00D7ACDC C3 ret
- * Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
- |:00D7AC60(C), :00D7AC7C(C), :00D7AC81(C), :00D7ACAC(C), :00D7ACC6(U)
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- :00D7ACDD 5F pop edi <--- 跳到这里来。
- :00D7ACDE 5E pop esi
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