杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
]2hF!{wc OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
n's2/9x <1>与远程系统建立IPC连接
AAIyr703cQ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
Jnh;;< <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
=; ~%L <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
z^gDbXS <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
W}#QKZ)MB <6>服务启动后,killsrv.exe运行,杀掉进程
G%V=idU*" <7>清场
EuR!yD 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
1puEP*P /***********************************************************************
;oN{I@}k Module:Killsrv.c
jKY Aid{- Date:2001/4/27
L%c]%3A Author:ey4s
8:3oH!n Http://www.ey4s.org Y yQf ***********************************************************************/
BN<#x@m$] #include
V0SW 5
m #include
=)"NE> #include "function.c"
|TQedC #define ServiceName "PSKILL"
3&drof\{ g]EQ2g_N1 SERVICE_STATUS_HANDLE ssh;
6xDl=*&% SERVICE_STATUS ss;
EOd.Tyb!/ /////////////////////////////////////////////////////////////////////////
/xX,
void ServiceStopped(void)
bc0)'a\ {
mh!N^[=n ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
~pX(w!^ ss.dwCurrentState=SERVICE_STOPPED;
/iuUUCk ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
.N-'; %8 ss.dwWin32ExitCode=NO_ERROR;
nzQYn ss.dwCheckPoint=0;
u8{@PlS ss.dwWaitHint=0;
`Yo-5h SetServiceStatus(ssh,&ss);
?<>,XyY return;
X:xC>4]gG' }
D7gX,e /////////////////////////////////////////////////////////////////////////
cEh0Vh-] void ServicePaused(void)
.,d$%lN {
H3UX{|[ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
o2 T/IJP ss.dwCurrentState=SERVICE_PAUSED;
7Ap~7)z[ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
XNkQk0i;g& ss.dwWin32ExitCode=NO_ERROR;
(dO'_s&M]/ ss.dwCheckPoint=0;
)<]w23i ss.dwWaitHint=0;
q>(I*=7 SetServiceStatus(ssh,&ss);
4z-,M7iP return;
@'F8 |I 6 }
Oo3qiw void ServiceRunning(void)
_.Z&<.lJ {
<'o 'H ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
%z!d4J75 ss.dwCurrentState=SERVICE_RUNNING;
{"gyXDE1 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Xn
ZX *Y]" ss.dwWin32ExitCode=NO_ERROR;
7(+OsE ss.dwCheckPoint=0;
e GqvnNv ss.dwWaitHint=0;
pjmGzK SetServiceStatus(ssh,&ss);
}LHT#{+x return;
\Z6gXO_ }
!S >|Qh /////////////////////////////////////////////////////////////////////////
ziB]S@U void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
N18diP[C {
Nw3I switch(Opcode)
2EqsfU*
I {
=yhn8t7@] case SERVICE_CONTROL_STOP://停止Service
N,sqr k] ServiceStopped();
OH!$5FEc break;
vxzf[ case SERVICE_CONTROL_INTERROGATE:
d<|lLNS SetServiceStatus(ssh,&ss);
cc2 oFn break;
H>X\C;X[
}
Jegx[*O>b return;
w ;s ]n }
+qSr=Y:+ //////////////////////////////////////////////////////////////////////////////
#0YzPMV //杀进程成功设置服务状态为SERVICE_STOPPED
Ck/_UY| //失败设置服务状态为SERVICE_PAUSED
D<D
k1 //
M|Lw`?T void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
upEPv
.h {
bHWvKv+ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
#BT6bH08X if(!ssh)
Fy(nu-W {
u_[4n ServicePaused();
tmY-m,U return;
!rsqr32] }
QE{;M ServiceRunning();
dPyBY]` Sleep(100);
z7.C\l //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
faL^=CAe //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
VATXsD if(KillPS(atoi(lpszArgv[5])))
Z9
q{r s ServiceStopped();
{KpH|i else
F)<G]i8n~ ServicePaused();
G
&rYz return;
L9unhx }
thm3JfQt /////////////////////////////////////////////////////////////////////////////
EfrkB" void main(DWORD dwArgc,LPTSTR *lpszArgv)
pD}VB6= {
(HV~ '5D SERVICE_TABLE_ENTRY ste[2];
\Q?|gfJH ste[0].lpServiceName=ServiceName;
M:1F@\< ste[0].lpServiceProc=ServiceMain;
h7W%}6Cqkw ste[1].lpServiceName=NULL;
O3w_vm' ste[1].lpServiceProc=NULL;
g%q?2Nv StartServiceCtrlDispatcher(ste);
W|-N>,G return;
vA7jZw }
p`l[cVQ< /////////////////////////////////////////////////////////////////////////////
d`],l\oC function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
C+#;L+$Gi 下:
LN3dp?;_{ /***********************************************************************
1KIq$lG{ E Module:function.c
A@ Date:2001/4/28
LG@c)H74 Author:ey4s
lTOM/^L Http://www.ey4s.org nXeK,C ***********************************************************************/
DneSzqO"o #include
I.\f0I'. ////////////////////////////////////////////////////////////////////////////
v`ZusHJ1d BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
6_&6'Vq {
?o(X0 TOKEN_PRIVILEGES tp;
)}it,< LUID luid;
}vxH)U6$q :_YG/0%I if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
qxcBj {
3ws(uF9$ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
LX?r=_\ return FALSE;
://#
%SE }
, ZP3F+XKb tp.PrivilegeCount = 1;
:iNAXy tp.Privileges[0].Luid = luid;
!%\To(r[ if (bEnablePrivilege)
$Ex 9 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
zf;[nz else
ONe!'a0 tp.Privileges[0].Attributes = 0;
`0G.Y // Enable the privilege or disable all privileges.
[Fj#7VZK AdjustTokenPrivileges(
pA,EUh|H hToken,
|e[0Qo@ FALSE,
A"3&EuvU &tp,
\NQ)Po@z sizeof(TOKEN_PRIVILEGES),
u+gXBU (PTOKEN_PRIVILEGES) NULL,
2"Uk}Yz| (PDWORD) NULL);
v0MOX>`s // Call GetLastError to determine whether the function succeeded.
GxDF7
z%& if (GetLastError() != ERROR_SUCCESS)
?nSp?m; {
6p6Tse] printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
P$qkb|D, return FALSE;
V?J,ab$X# }
1o8"==n% return TRUE;
<C96]}/ ? }
k42ur)pb ////////////////////////////////////////////////////////////////////////////
N[bf.5T BOOL KillPS(DWORD id)
?*mbce[ {
+G[HZ,FL HANDLE hProcess=NULL,hProcessToken=NULL;
|mE+f]7$ BOOL IsKilled=FALSE,bRet=FALSE;
H|:)K^o __try
)?IA`7X {
)~mc1U`b +e4<z%1 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
-GWzMBS S {
dQ|Ht[s= printf("\nOpen Current Process Token failed:%d",GetLastError());
@N_H]6z4 __leave;
od's1'cR }
x)wt.T?eL //printf("\nOpen Current Process Token ok!");
~)8i5p;P/k if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
|Ge/|;.v` {
,p`bWm __leave;
R}6la.mQ }
Tocdh.H| printf("\nSetPrivilege ok!");
"XsY~ 1@z@ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
ow$l!8 {
;AB ,:* printf("\nOpen Process %d failed:%d",id,GetLastError());
rJQ|Oi&1i __leave;
K/d&c] }
3N*C] //printf("\nOpen Process %d ok!",id);
NE%yv,B if(!TerminateProcess(hProcess,1))
C(*@-Npf[ {
j=QR*8* printf("\nTerminateProcess failed:%d",GetLastError());
GhQ`{iJM __leave;
.'mC3E+$ }
F20-!b IsKilled=TRUE;
.-~%w }
$#JVI: __finally
*]{I\rX {
f#Cdx" if(hProcessToken!=NULL) CloseHandle(hProcessToken);
<\>ak7m if(hProcess!=NULL) CloseHandle(hProcess);
RYJc> }
SVWSO return(IsKilled);
L=wFo^N }
rkc%S5we //////////////////////////////////////////////////////////////////////////////////////////////
54cgX)E[x OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
sH,)e'0 /*********************************************************************************************
{ZEXlNPww ModulesKill.c
Dlf=N$BL7d Create:2001/4/28
5
^J8<s@_ Modify:2001/6/23
ZV4'
|q Author:ey4s
2OlC7X{ Http://www.ey4s.org {!Z_&i5 PsKill ==>Local and Remote process killer for windows 2k
K}3"K C **************************************************************************/
'"\Mjz)/ #include "ps.h"
xWb?i6)z& #define EXE "killsrv.exe"
sl
@6 #define ServiceName "PSKILL"
5f@YrTO[@ Yn2^nT=8 #pragma comment(lib,"mpr.lib")
+Qb/:xQu //////////////////////////////////////////////////////////////////////////
*xTquV$ //定义全局变量
;p!hd}C SERVICE_STATUS ssStatus;
:BxYaAVt^ SC_HANDLE hSCManager=NULL,hSCService=NULL;
ZLX`[ BOOL bKilled=FALSE;
Ns8NaD char szTarget[52]=;
WzbN=&
C]h //////////////////////////////////////////////////////////////////////////
VD`2lGdF BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
p)&\>
BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
l"y9XO| BOOL WaitServiceStop();//等待服务停止函数
=d.W'q| BOOL RemoveService();//删除服务函数
7tKft /////////////////////////////////////////////////////////////////////////
,;pX.Ob U int main(DWORD dwArgc,LPTSTR *lpszArgv)
3v+}YT{>b {
G6mM6(Sr BOOL bRet=FALSE,bFile=FALSE;
2MzFSmhc" char tmp[52]=,RemoteFilePath[128]=,
PH!B /D5G szUser[52]=,szPass[52]=;
G/44gKl HANDLE hFile=NULL;
*t9qH DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
vm}.gQ 1V$B^/ _ //杀本地进程
-"9)c^KVx if(dwArgc==2)
']e4! {
Xtnmh)'K~# if(KillPS(atoi(lpszArgv[1])))
'z!#E!i printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
f|1FqL+T] else
bJ!f,a'/ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
{:OVBX lpszArgv[1],GetLastError());
[7w_.(f# return 0;
&YP>"< }
k\Tm?^L) //用户输入错误
`9{C/qB else if(dwArgc!=5)
sc>)X{eb {
I19F\
L`4 printf("\nPSKILL ==>Local and Remote Process Killer"
2czL 1Ci "\nPower by ey4s"
abP?Dj& "\nhttp://www.ey4s.org 2001/6/23"
N ] /d "\n\nUsage:%s <==Killed Local Process"
3"D00~ "\n %s <==Killed Remote Process\n",
x+`3G. lpszArgv[0],lpszArgv[0]);
R:x04!} return 1;
c}s3c
>`d }
@soW f //杀远程机器进程
|ema-pRC strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
,
)3+hnFY strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
2dW-WHaM strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
g c=|<( jF85bb$ //将在目标机器上创建的exe文件的路径
5z]KkPQ sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
|noTIAI __try
$:Zxb {
lfd{O7 L0b //与目标建立IPC连接
Ap18qp if(!ConnIPC(szTarget,szUser,szPass))
[/j-d {
|]b/5s;> printf("\nConnect to %s failed:%d",szTarget,GetLastError());
_Fy:3,( return 1;
iPNsEQ0We }
gipRVd*TA printf("\nConnect to %s success!",szTarget);
SYLkC
[0k //在目标机器上创建exe文件
w*@Z-'(j Z9bPj8d hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
PMZzzZ E,
K%_JQ0` NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
,{t!->K if(hFile==INVALID_HANDLE_VALUE)
4HmRsOl {
1&E&8In]$r printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
WTN!2b __leave;
,W;8!n0 }
WLFzLW=PD //写文件内容
XaSl6CH while(dwSize>dwIndex)
>pHvBFa3G {
3e1"5~?'< )+R3C% if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
HXo'^^}q; {
5|z[%x~f printf("\nWrite file %s
$7g(-W failed:%d",RemoteFilePath,GetLastError());
^@eCT}p{ __leave;
'o9V0#$! }
Y:BrAa[ dwIndex+=dwWrite;
24l9/v' }
K*RRbtb //关闭文件句柄
hUc|Xm CloseHandle(hFile);
?"Q6;np* bFile=TRUE;
lph_cY3p //安装服务
P~>nlm82] if(InstallService(dwArgc,lpszArgv))
EJY:C9W {
@Q5^Q'! //等待服务结束
-ZJ:< if(WaitServiceStop())
gRSG[GMV {
4}j}8y2)H //printf("\nService was stoped!");
5@5="lNjS }
N`fY%"5U> else
LnIJw D {
X/"H+l //printf("\nService can't be stoped.Try to delete it.");
W0hLh<Go }
cH ?]uu( Sleep(500);
)~ kb7rfl //删除服务
qIp`'.#m RemoveService();
EB,>k1IJ }
Yb*}2 }
Xu0*sQK __finally
#y%Ao\~kG {
9a unv //删除留下的文件
vS<e/e+ if(bFile) DeleteFile(RemoteFilePath);
^ jA}*YP //如果文件句柄没有关闭,关闭之~
$E6uA}s if(hFile!=NULL) CloseHandle(hFile);
H&+s&