// Mr.David yoda's cryptor 1.x  modified OEP and Patch IAT  v0.1b

// This script will quickly put you at the OEP of an yoda's cryptor 1.x  modified EXE.

// Just run it!



msg "请设置OD异常设置除了内存异常外全部忽略，然后从菜单处继续运行脚本"

pause



dbh  //隐藏调试器



var addr   

sto        

mov addr,esp   //ESP定律

bphws addr,"r"





var addr1



var addr2



gpa "CloseHandle","kernel32.dll"

mov addr1,$RESULT                    //捷径 API断点CloseHandle

bp addr1

run



bc addr1    //Clear break point  //取消断点

rtu        //Alt+F9





findop eip,#8932#    //特征指令

mov addr1,$RESULT         

bphws addr1,"x"     

run

repl eip, #8932#, #8902#, 10       //有病治病，无病强身

BPHWC addr1





findop eip,#33C3#    //特征指令

mov addr2,$RESULT 

bphws addr2,"x"     

run               //运行





repl eip, #33c3#, #33c0#, 10    //有病治病，无病强身



BPHWC addr2



esto

esto



findop eip,#33DB#    //特征指令  //判断还剩几次异常，决定路线 由于没有主壳，Yoda修改壳的运行路线和原壳又不同! 待测验结果。

cmp $RESULT, 0

je lblabel2



esto

esto

esto

run

sto

sto

sto

sto

bphwc addr 

           

cmt eip,"OEP1 Or Next Shell To Get,Please dumped it,Enjoy!" //Yoda全部Anti选项路线



ret



lblabel2:

esto

esto

run

sto

sto

sto

sto

bphwc addr    

  

cmt eip,"OEP2 Or Next Shell To Get,Please dumped it,Enjoy!" //没选检查Softice的异常少一次，如果他什么Anti选项都不选，那么脚本无法正确运行，这真是千个师傅千个法，脚本只能是对壳默认选项正确执行的。



ret