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。
bI|G
% OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
!pw)sO~ <1>与远程系统建立IPC连接
Vi-Ph;6[ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
?@,EGY< <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Fc5t,P <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
8\{z>y <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
dB[4NT <6>服务启动后,killsrv.exe运行,杀掉进程
(~zu4^9w <7>清场
2<I=xWwFA 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
f%@~|:G: /***********************************************************************
=dDPQZEin Module:Killsrv.c
`s T;\ Date:2001/4/27
lMGO4U[z Author:ey4s
m","m Http://www.ey4s.org _8u TK%| ***********************************************************************/
e~zgH\` #include
JOY&YA$U #include
$$NWN?H~ #include "function.c"
-i2rcH #define ServiceName "PSKILL"
}#H,oy;Dz 8R3{YJ6@T SERVICE_STATUS_HANDLE ssh;
sb{K%xi% SERVICE_STATUS ss;
3;BIwb_ /////////////////////////////////////////////////////////////////////////
*
&:_Vgu void ServiceStopped(void)
W<prY {
P\ke%Jdpw? ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
<z,)4z++ ss.dwCurrentState=SERVICE_STOPPED;
lxL.ztL ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
ylZQwICk ss.dwWin32ExitCode=NO_ERROR;
fF0i^E< ss.dwCheckPoint=0;
~ h3G}EH ss.dwWaitHint=0;
[cd1Mf:[Y SetServiceStatus(ssh,&ss);
6Bjo9,L return;
;F"!$Z/ }
nTr%S&<+" /////////////////////////////////////////////////////////////////////////
w!20 void ServicePaused(void)
3tTOs {
B-C$>H^ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
<3B^5p\/ ss.dwCurrentState=SERVICE_PAUSED;
r$={_M$ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
w g?}c ;
ss.dwWin32ExitCode=NO_ERROR;
W|>jj$/o ss.dwCheckPoint=0;
[Xu8~c X ss.dwWaitHint=0;
0AQ4:KV(Y SetServiceStatus(ssh,&ss);
}Kgi!$<aQx return;
H<_Tn$<zH. }
O0#[hY, void ServiceRunning(void)
5Z!$?J4Rl {
|"SZpx ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
)sm9%|.& ss.dwCurrentState=SERVICE_RUNNING;
Vpnk>GWD ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
,_kw}_n= ss.dwWin32ExitCode=NO_ERROR;
jy!]MAP#Gk ss.dwCheckPoint=0;
AfTm#-R ss.dwWaitHint=0;
Df4O~j$U"s SetServiceStatus(ssh,&ss);
&IUA[{o~e return;
~][~aEat;V }
YP02/*' /////////////////////////////////////////////////////////////////////////
gt}Atr6>_ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
%[p*6&V {
`}),wBq switch(Opcode)
}) -V,\ {
1YV1Xnn, case SERVICE_CONTROL_STOP://停止Service
Zmyq6.1q~ ServiceStopped();
kS-BB[T break;
uBbQJvL case SERVICE_CONTROL_INTERROGATE:
.Od:#(aq SetServiceStatus(ssh,&ss);
:b44LXKCP break;
~DK.Y
}
x *I'Ar return;
utZI'5i }
MT>sRx# //////////////////////////////////////////////////////////////////////////////
3HrG^/ //杀进程成功设置服务状态为SERVICE_STOPPED
1 7~Pc //失败设置服务状态为SERVICE_PAUSED
,zoHmV1Wd+ //
2X2Ax~d@ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
F|F0#HC ? {
8?nn4]P ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
s5@BVD'}E if(!ssh)
*LB-V%{|' {
/+92DV ServicePaused();
Cb+sE"x] return;
"rn }
Z3TCi7,m ServiceRunning();
[}4zqY{ Sleep(100);
QlGK+I>y; //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
,'(|,f42 //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
6-wpR if(KillPS(atoi(lpszArgv[5])))
Dr.eos4 ~ ServiceStopped();
;
pBLmm*F else
u<:uL ServicePaused();
\7LL neq return;
eV?%3h. }
~RbVcB# /////////////////////////////////////////////////////////////////////////////
7I[[S!((s void main(DWORD dwArgc,LPTSTR *lpszArgv)
aE 07# {
#-B<u- SERVICE_TABLE_ENTRY ste[2];
%6cr4}Zm} ste[0].lpServiceName=ServiceName;
nN{DO:_o ste[0].lpServiceProc=ServiceMain;
RkG?R3e ste[1].lpServiceName=NULL;
P}Ig6^[m\ ste[1].lpServiceProc=NULL;
F\JS?zt2 StartServiceCtrlDispatcher(ste);
yT/rH- j;5 return;
7-B|B{] }
66?`7j X /////////////////////////////////////////////////////////////////////////////
.vKgiIC: function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
Vl1.]'p_ 下:
M#^q
<K % /***********************************************************************
F[\T'{ Module:function.c
VDnrm* Date:2001/4/28
GcRH$,<XG Author:ey4s
;b [>{Q; Http://www.ey4s.org wBpt
W2jA ***********************************************************************/
Mt4]\pMUb #include
qY-aR; ////////////////////////////////////////////////////////////////////////////
&;ddnxFI
BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
ByjfPb# {
9mvy+XD TOKEN_PRIVILEGES tp;
On);SN' LUID luid;
M{p6&eg *=@8t^fa86 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
Qf0P"s` {
ruagJS)+ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
2f:h z return FALSE;
Eo$l-Hl5= }
%rs2{Q2k tp.PrivilegeCount = 1;
]Yt3@ug_f tp.Privileges[0].Luid = luid;
a'`i#U if (bEnablePrivilege)
umPnw tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
ZOqA8#\ else
51s\)d%l tp.Privileges[0].Attributes = 0;
lg-`zV3 // Enable the privilege or disable all privileges.
W\<OCD%X AdjustTokenPrivileges(
im<!JMI hToken,
C,;<SV2# FALSE,
q#Otp\f &tp,
';.TQ_I7Y sizeof(TOKEN_PRIVILEGES),
|qpm
(PTOKEN_PRIVILEGES) NULL,
r8R7@S2V' (PDWORD) NULL);
J8FzQ2 // Call GetLastError to determine whether the function succeeded.
b?=r%D->w if (GetLastError() != ERROR_SUCCESS)
\W_ Dz*N {
>.39OQ# printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
q:vN3#=^qf return FALSE;
sfG9R" }
L9hL@ return TRUE;
,f>^q" }
6;Izw$X ////////////////////////////////////////////////////////////////////////////
!U5Cwq BOOL KillPS(DWORD id)
svo%NQ {
k!qOE\%B HANDLE hProcess=NULL,hProcessToken=NULL;
1\-lAk!
BOOL IsKilled=FALSE,bRet=FALSE;
!b K;/) __try
#/(L.5d[ {
6UN{Vjr%` \py&v5J)s! if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
y54RD/`- {
kVWrZ>McK printf("\nOpen Current Process Token failed:%d",GetLastError());
'#K~hep __leave;
ZnbpIJ8cV }
%D7^. //printf("\nOpen Current Process Token ok!");
M9Z9s11{H if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
pOy(XUV9O {
|<]wM(GxE __leave;
%RIu'JXi }
ctb
, w printf("\nSetPrivilege ok!");
pdQaVe7tRo *JW.ca} if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
2#`d:@r {
I`{=[.c printf("\nOpen Process %d failed:%d",id,GetLastError());
,^iT,MgNNf __leave;
|%Y =]@f }
10dK%/6/O //printf("\nOpen Process %d ok!",id);
MmfshnTN if(!TerminateProcess(hProcess,1))
;h~k B {
|c]L]PU printf("\nTerminateProcess failed:%d",GetLastError());
BH^cR<<j __leave;
}/ xdHt }
k3
' 5Ei IsKilled=TRUE;
\>/AF<2" }
_}`y3"CD7 __finally
{yBd{x<>/ {
-RThd" if(hProcessToken!=NULL) CloseHandle(hProcessToken);
i[U=-4 J if(hProcess!=NULL) CloseHandle(hProcess);
cJ,`71xop, }
sGMnm return(IsKilled);
[di&N!Ao }
]w8h#p //////////////////////////////////////////////////////////////////////////////////////////////
^3&-!<* 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:
0"@p|nAa /*********************************************************************************************
.}tpEvAw} ModulesKill.c
|Pse=_i Create:2001/4/28
n 8| Modify:2001/6/23
%eu_Pr 6X Author:ey4s
e+MsFXnB8 Http://www.ey4s.org .fzns20u PsKill ==>Local and Remote process killer for windows 2k
+zFEx%3^ **************************************************************************/
toox`| #include "ps.h"
Im`R2_(] #define EXE "killsrv.exe"
VDy_s8Z# #define ServiceName "PSKILL"
%+$!ctn Gm\jboef] #pragma comment(lib,"mpr.lib")
{2&MyxV //////////////////////////////////////////////////////////////////////////
vnsMh
//定义全局变量
NjA\*M9 SERVICE_STATUS ssStatus;
L-3wez;hm SC_HANDLE hSCManager=NULL,hSCService=NULL;
xO
1uHaL BOOL bKilled=FALSE;
Ac,bf 8C char szTarget[52]=;
$)O\i^T //////////////////////////////////////////////////////////////////////////
XOY\NMo BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
41XXL$ BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
b@1";+(27 BOOL WaitServiceStop();//等待服务停止函数
P6ugbq[x#e BOOL RemoveService();//删除服务函数
SQ`ec95', /////////////////////////////////////////////////////////////////////////
TkjZI}]2 int main(DWORD dwArgc,LPTSTR *lpszArgv)
6<Zk%[7t {
kL}*,8s{ BOOL bRet=FALSE,bFile=FALSE;
H,1Iz@W1 char tmp[52]=,RemoteFilePath[128]=,
#fe zUU szUser[52]=,szPass[52]=;
52Q~` t7F HANDLE hFile=NULL;
Fo|
rRI2 DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
dC}4Er w>#.id[k //杀本地进程
|fWR[\NU if(dwArgc==2)
^#j{9FpPs {
2Y9@[ if(KillPS(atoi(lpszArgv[1])))
gG6BEsGa, printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
h6gtO$A|p= else
]FO)U printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
*7/MeE6)i lpszArgv[1],GetLastError());
I#t#%!InH return 0;
u&Y1,:hiL }
) ]]PhGX~ //用户输入错误
~M J3-<I else if(dwArgc!=5)
P?U}@U~9 {
oMZ|)(7C printf("\nPSKILL ==>Local and Remote Process Killer"
oO,"B8a "\nPower by ey4s"
w259': "\nhttp://www.ey4s.org 2001/6/23"
1A9Gf "\n\nUsage:%s <==Killed Local Process"
P0szY"} "\n %s <==Killed Remote Process\n",
"CWqPcr lpszArgv[0],lpszArgv[0]);
}2_i<4,L return 1;
y
+c 3# }
Os|F //杀远程机器进程
FkIT/H strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
AQz&u strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
"/U~j4O strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
9RN! <`H ]a=Bc~g91 //将在目标机器上创建的exe文件的路径
!xZ`()D# sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
'4d+!%2t __try
qeZ*!H6- {
u'EzYJ7 //与目标建立IPC连接
E@$HO_;& if(!ConnIPC(szTarget,szUser,szPass))
c`G~.paY| {
#kDJ>r |&- printf("\nConnect to %s failed:%d",szTarget,GetLastError());
~Aq$GH4 return 1;
<)9E .h }
<q#/z&F! printf("\nConnect to %s success!",szTarget);
Q|J$R //在目标机器上创建exe文件
O0#9D'{ HTUY|^^D hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
}>u<, E,
~C2[5r{So NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
5U&?P if(hFile==INVALID_HANDLE_VALUE)
&8wluOs/5 {
mq~L1<f printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
*6%r2l'kZ __leave;
ZnYoh/ }
;;l-E>X0 //写文件内容
{VrjDj+Xy while(dwSize>dwIndex)
at `\7YfQp {
wNm~H 4
U`5=BI if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
0?nm`9v6 {
,=kQJ| printf("\nWrite file %s
|F#L{=B failed:%d",RemoteFilePath,GetLastError());
t{)J#8:g __leave;
CK+_T}+- }
m`lsUN, dwIndex+=dwWrite;
Z}'"c9oB }
)Dq/fW //关闭文件句柄
:.M"M$MRp8 CloseHandle(hFile);
KUqD<Jj? bFile=TRUE;
HNtl>H //安装服务
?rn#S8nNx< if(InstallService(dwArgc,lpszArgv))
,d34v*U {
()v{HBi //等待服务结束
& ]/Z~V t if(WaitServiceStop())
Hh1OD?N) {
0Bpix|mq //printf("\nService was stoped!");
O.8{c; }
x GHS else
SQB[d3f {
)FrXD3p //printf("\nService can't be stoped.Try to delete it.");
7o]p0iLej }
/P/S0 Sleep(500);
Ug^v
]B9 //删除服务
\;G 97o
RemoveService();
x
p#+{} }
*Q8d&$ ^ }
&ii3V