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。
L(eLxw e% OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
c4n]#((%a <1>与远程系统建立IPC连接
?i7}d@636 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
V@Fj!/ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
keWqL] <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
2p|[yZ <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
'IroQ M <6>服务启动后,killsrv.exe运行,杀掉进程
ojZvgF <7>清场
V,)bw 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
h48
jKL( /***********************************************************************
seEG~/U< Module:Killsrv.c
3 ]}wZY0 Date:2001/4/27
}
^67HtNQ Author:ey4s
b7h0V4w Http://www.ey4s.org $@cg+Xrg1 ***********************************************************************/
.#y.:Pb|e #include
z>X<Di&x) #include
BliL1"". #include "function.c"
Qyoly"b@ #define ServiceName "PSKILL"
=E''$b?Em aI:G(C?jm SERVICE_STATUS_HANDLE ssh;
7 xm>+( SERVICE_STATUS ss;
vEIDf{ /////////////////////////////////////////////////////////////////////////
IH1
fvW
e void ServiceStopped(void)
wqLY
\ {
'm,3znX!c ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
9My
|G)M6 ss.dwCurrentState=SERVICE_STOPPED;
I&O}U|l06 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
h"{Z%XPX# ss.dwWin32ExitCode=NO_ERROR;
\vvV=iw ss.dwCheckPoint=0;
L<**J\=7M ss.dwWaitHint=0;
PYp<eo\ SetServiceStatus(ssh,&ss);
TS{ycGY return;
I+]q;dF; }
Wp<4F6C$@ /////////////////////////////////////////////////////////////////////////
gIfl}Jat void ServicePaused(void)
"eiZZSz {
%;|^*?!J0 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
B&E qd ss.dwCurrentState=SERVICE_PAUSED;
~ g \GC ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Gn_rf" ss.dwWin32ExitCode=NO_ERROR;
0HRLTgIC ss.dwCheckPoint=0;
`w
J^ ss.dwWaitHint=0;
P~y% SetServiceStatus(ssh,&ss);
o%E^41M7E return;
n2$(MDdL` }
Ht Z3n"2 void ServiceRunning(void)
gE>_:s {
9$pQ|e0tJ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
HTz&h#)JQ ss.dwCurrentState=SERVICE_RUNNING;
5[_|+ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
'% $)"g]/# ss.dwWin32ExitCode=NO_ERROR;
CG(G){u& ss.dwCheckPoint=0;
bZ.q?Hlfk ss.dwWaitHint=0;
M/X&zr SetServiceStatus(ssh,&ss);
*uq;O*s return;
O%.c%)4Xo }
pLvvv#Y /////////////////////////////////////////////////////////////////////////
`|\z#Et void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
;LM,<QJ {
7LM?<lp] switch(Opcode)
HH+$rrTT {
?,J'3nZ' case SERVICE_CONTROL_STOP://停止Service
CVp`G"W: ServiceStopped();
8MH ZWi break;
K(+ ~#$|-~ case SERVICE_CONTROL_INTERROGATE:
<TL!iM SetServiceStatus(ssh,&ss);
l H@hV break;
J~3+j6?% }
6 ZutU ~HS return;
/K{`gc }
FCu0)\ //////////////////////////////////////////////////////////////////////////////
)!:}R}q //杀进程成功设置服务状态为SERVICE_STOPPED
7n,*3;I //失败设置服务状态为SERVICE_PAUSED
Vnu*+ //
#3l&N4/ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
f?OFMac {
Ungex@s_ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
([y 2x.kd if(!ssh)
Ydw04WEJ {
_<`j?$P ServicePaused();
t7"vAjZU return;
Uk=-A
@q }
f,'gQ5\ X3 ServiceRunning();
bcp+7b(IB Sleep(100);
1 Z5:DE< //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
[J'O5"T //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
F aOfe] F if(KillPS(atoi(lpszArgv[5])))
|]tIE{d ServiceStopped();
FOA y'76p else
VfK8')IXk ServicePaused();
DeTx7 i0 return;
6 6G$5 }
gZI88Q /////////////////////////////////////////////////////////////////////////////
8{@0p"re@ void main(DWORD dwArgc,LPTSTR *lpszArgv)
HB}!Lf#*P {
.""?k[f5Q SERVICE_TABLE_ENTRY ste[2];
$wgHaSni ste[0].lpServiceName=ServiceName;
Sz.sX w; ste[0].lpServiceProc=ServiceMain;
|;XkU`G ste[1].lpServiceName=NULL;
gr?[KDl~ ste[1].lpServiceProc=NULL;
+9MoKn=h StartServiceCtrlDispatcher(ste);
Cpm&w?6 return;
r~&[Gaw }
Q Q3a& /////////////////////////////////////////////////////////////////////////////
g]sc)4 function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
8J}gj7^8 下:
osS?SuQT E /***********************************************************************
r2WW}W
Module:function.c
r &<sSE;5 Date:2001/4/28
W+v7OSd92 Author:ey4s
Rt
&Oz!TQ Http://www.ey4s.org 8reis1]2S ***********************************************************************/
V&i/3g #include
q97Z .o ////////////////////////////////////////////////////////////////////////////
llbf(! BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
F|,_k%QP {
v1s.j2T TOKEN_PRIVILEGES tp;
n]?KDID; LUID luid;
A2fc_A/a v{/z`J!JR if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
A4lW8&rHI {
C5q
n(tv printf("\nLookupPrivilegeValue error:%d", GetLastError() );
tVB9kxtE return FALSE;
f-lM[\ma_ }
IYIlab\TZ tp.PrivilegeCount = 1;
1{TmK9U tp.Privileges[0].Luid = luid;
=0Z^q0. if (bEnablePrivilege)
FaNr}$Pe tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
mBQA~@} else
T$p!IRPt tp.Privileges[0].Attributes = 0;
7r F )fKW // Enable the privilege or disable all privileges.
*]
H8X=[x AdjustTokenPrivileges(
#le1
^
<w7 hToken,
LHQ$0LVt>T FALSE,
!'y9/ &tp,
2pKkg>/S sizeof(TOKEN_PRIVILEGES),
:gD=F &V (PTOKEN_PRIVILEGES) NULL,
U3R;'80 f (PDWORD) NULL);
"iu9r%l94 // Call GetLastError to determine whether the function succeeded.
it
Byw1/ if (GetLastError() != ERROR_SUCCESS)
us/}_r74N* {
ULqFJ*nla printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
Oz3JMZe return FALSE;
U`G }
Ez\TwK return TRUE;
k}MmgaT:5] }
>bwB+-l yL ////////////////////////////////////////////////////////////////////////////
#(i9G^K BOOL KillPS(DWORD id)
fD^$ y
8 {
7gX#^YkE+k HANDLE hProcess=NULL,hProcessToken=NULL;
_h?hFs,N] BOOL IsKilled=FALSE,bRet=FALSE;
Zb p+b; __try
v:$Ka@v6 {
qK_jgj=w M>eMDCB\ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
b3'U}0Ug {
T?4pV# printf("\nOpen Current Process Token failed:%d",GetLastError());
XLu Y __leave;
~Ox !7Lp }
}Kt`du= //printf("\nOpen Current Process Token ok!");
-rn%ASye if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
K~1uR:DR {
cdBD.sg __leave;
3}Xf }
jN[P$}#b` printf("\nSetPrivilege ok!");
YadG05PDe t<F*ODn if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
^x BQ#p {
]AB<OjF1c| printf("\nOpen Process %d failed:%d",id,GetLastError());
v[b|J7k __leave;
DUMC4+i }
wqasI@vyu //printf("\nOpen Process %d ok!",id);
@TraEBJGL if(!TerminateProcess(hProcess,1))
d1>L&3HKx {
}v`Z.?|Z printf("\nTerminateProcess failed:%d",GetLastError());
']:>Ww.S __leave;
0-~F%:x }
n_/;j$h IsKilled=TRUE;
S] R.:T_% }
9$WA<1PK+ __finally
g/W&Ap;qVL {
= tY%k!R if(hProcessToken!=NULL) CloseHandle(hProcessToken);
vPSY1NC5 if(hProcess!=NULL) CloseHandle(hProcess);
]^6r7nfR6| }
.)|2^ 'W return(IsKilled);
Jz@2?wSp }
g?gF*^_0 //////////////////////////////////////////////////////////////////////////////////////////////
87-z=>IU 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:
WxJV
zHtR /*********************************************************************************************
mum4Uj ModulesKill.c
[l*;+N+ Create:2001/4/28
xxZO{_q Modify:2001/6/23
G\B:iyKl Author:ey4s
?2<V./2F Http://www.ey4s.org Ol)M0u PsKill ==>Local and Remote process killer for windows 2k
M6lNdK **************************************************************************/
G7YBo4v #include "ps.h"
/_V4gwb}|- #define EXE "killsrv.exe"
*XkgwJq #define ServiceName "PSKILL"
o<L=l Q l:14uWu| #pragma comment(lib,"mpr.lib")
0I}c|V'P //////////////////////////////////////////////////////////////////////////
=GL^tAUJ //定义全局变量
yaK4% k SERVICE_STATUS ssStatus;
t&MLgu SC_HANDLE hSCManager=NULL,hSCService=NULL;
xsRu~'f BOOL bKilled=FALSE;
8S@"6TG`
char szTarget[52]=;
Tilw.z //////////////////////////////////////////////////////////////////////////
roNs~]6 BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
y:VY8a 4 BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
"q7pkxEuJ BOOL WaitServiceStop();//等待服务停止函数
X-F:)/$xG BOOL RemoveService();//删除服务函数
Bi`m +ob /////////////////////////////////////////////////////////////////////////
DxzNg_E] int main(DWORD dwArgc,LPTSTR *lpszArgv)
Ze3sc$fG2 {
Df}3^J~JX BOOL bRet=FALSE,bFile=FALSE;
zxy/V^mu char tmp[52]=,RemoteFilePath[128]=,
x-HR [{C szUser[52]=,szPass[52]=;
g*$yUt HANDLE hFile=NULL;
gjP bhY=C[ DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
`m\l#r2C AfJ .SNE //杀本地进程
S!R:a>\ if(dwArgc==2)
JA
" {
%VGQ{: if(KillPS(atoi(lpszArgv[1])))
Wq/0 }W. printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
^e:rRk7 & else
sXR}#*8p
printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
FSyeDC^@ lpszArgv[1],GetLastError());
jHM}({)- return 0;
j?s+#t }
-"w&g0Z //用户输入错误
W%P0X5YQ else if(dwArgc!=5)
'Q4V(. {
IK|W^hH\8 printf("\nPSKILL ==>Local and Remote Process Killer"
d<>jhp5el "\nPower by ey4s"
X{;3gN "\nhttp://www.ey4s.org 2001/6/23"
gpe-)hD@R "\n\nUsage:%s <==Killed Local Process"
S0mF%" "\n %s <==Killed Remote Process\n",
nISfRXU; lpszArgv[0],lpszArgv[0]);
: t6.J return 1;
9|&%"~6' }
u9,ZY> //杀远程机器进程
bPo*L~xdk strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
6ZwFU5)QE/ strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Mf.:y strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
O-YB+~"3Z zoO9N oUHW //将在目标机器上创建的exe文件的路径
.5YIf~!59 sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
b}5hqIy __try
o _DZ {
1F58 2 l //与目标建立IPC连接
*<T,Fyc| if(!ConnIPC(szTarget,szUser,szPass))
A]CO
Ysc {
oB] printf("\nConnect to %s failed:%d",szTarget,GetLastError());
/Jw65 e return 1;
H:&|q+K=# }
SSG}'W!z printf("\nConnect to %s success!",szTarget);
C`>|D [ //在目标机器上创建exe文件
%$.]g .j_YVYu1& hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
=a3qpPkx E,
~i)IY1m" NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
vTF_`X if(hFile==INVALID_HANDLE_VALUE)
;*_U)th {
I%fz^:[#< printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
y:N>t+'5 __leave;
^9PB+mz }
*1fZcw'C. //写文件内容
M,nLPHgK while(dwSize>dwIndex)
p 6FPdt) {
qC?\i['` $VLCD if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
auP6\kpMe {
1Ev#[FOc printf("\nWrite file %s
A(>kp=~ failed:%d",RemoteFilePath,GetLastError());
'aoHNZfxw __leave;
(e$/@3* }
C/L+:b&x~ dwIndex+=dwWrite;
p|b&hgA }
MVpk/S%W //关闭文件句柄
$5;RQNhXh CloseHandle(hFile);
0Zv<]xO bFile=TRUE;
;\5^yDv[e //安装服务
ssy+x;<x, if(InstallService(dwArgc,lpszArgv))
Lp?JSMe {
q:D!@+U //等待服务结束
LVj62&,- if(WaitServiceStop())
$2j?Z.yEG {
yIdM2#`u //printf("\nService was stoped!");
?NL>xMA }
N7`<t&T@ else
_4VS.~}/R {
)=)=]|3 //printf("\nService can't be stoped.Try to delete it.");
#n_uELE }
`xpU Sleep(500);
nxc35 //删除服务
v9[[T6t/' RemoveService();
=5-|H;da }
-bHfo%"^TT }
%)K)h&m