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。
Tq#<Po $ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
L#ZLawG <1>与远程系统建立IPC连接
k*Pz&8| <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
@h(!<Ux_ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
c'rd $ <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
~6sE an3p <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
7E(%9W6P <6>服务启动后,killsrv.exe运行,杀掉进程
4>_d3_1sn <7>清场
waQtr,m) 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
PkJcd-> /***********************************************************************
?l9=$' Module:Killsrv.c
u-39r^`5 Date:2001/4/27
T.2ZBG~|[ Author:ey4s
SSQT ;> Http://www.ey4s.org Bk@WW#b ***********************************************************************/
$3 vhddO #include
>%h7dC3h #include
R,b59,&3/ #include "function.c"
ymkR! #define ServiceName "PSKILL"
o8tS 0[9I0YBJ SERVICE_STATUS_HANDLE ssh;
qguVaV4Y SERVICE_STATUS ss;
-#%X3F7/w /////////////////////////////////////////////////////////////////////////
PGY9*0n void ServiceStopped(void)
A$<>JVv {
pyF5S,c ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
XN(tcdCG ss.dwCurrentState=SERVICE_STOPPED;
HEpM4xe$ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
@'HT;Q!\Vd ss.dwWin32ExitCode=NO_ERROR;
xE1rxPuq)d ss.dwCheckPoint=0;
k(v"B@0
ss.dwWaitHint=0;
c _mq SetServiceStatus(ssh,&ss);
iokPmV return;
HtUG#sc&`{ }
gn`zy9PU /////////////////////////////////////////////////////////////////////////
ls]H6z*q void ServicePaused(void)
a[ i>;0 {
Xl?YBZ} ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Y-]YDXrPQ ss.dwCurrentState=SERVICE_PAUSED;
e`AUYli" ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
doH2R@ ss.dwWin32ExitCode=NO_ERROR;
!&JiNn(' ss.dwCheckPoint=0;
}!=U^A) ss.dwWaitHint=0;
C#$6O8O SetServiceStatus(ssh,&ss);
H+R7X71{ return;
yZ~b+=UM }
x
^[F]YU void ServiceRunning(void)
AWL[zixR {
~v\hIm3=m ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
s ^3[W0hL ss.dwCurrentState=SERVICE_RUNNING;
#s{aulx ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
(Com, ss.dwWin32ExitCode=NO_ERROR;
EZ{/]gCK ss.dwCheckPoint=0;
Z8fJ{uOIL ss.dwWaitHint=0;
esteFLm`6 SetServiceStatus(ssh,&ss);
z^3Q.4Qc6^ return;
CpSK(2j }
Efvq?cG& /////////////////////////////////////////////////////////////////////////
~?-qZ<9/ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
ctK65h{Eo {
]4GZ'&m} switch(Opcode)
obYn&\6 {
%wtXo BJ case SERVICE_CONTROL_STOP://停止Service
zHqhl} ServiceStopped();
,{+6$h3 break;
[9HYO case SERVICE_CONTROL_INTERROGATE:
?~ ?Hdv SetServiceStatus(ssh,&ss);
qg)qjBQwA break;
-nGwuEngP }
itHM7d return;
oR#my ^ }
#Z!#;%S //////////////////////////////////////////////////////////////////////////////
qPUA!-' //杀进程成功设置服务状态为SERVICE_STOPPED
yXrd2?Rq@ //失败设置服务状态为SERVICE_PAUSED
f,JX" //
P>fKX2eQ- void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Wz5=(<{S {
-_HRqw,Z0 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
j9>TTgy@ if(!ssh)
,m3":{G:t. {
mZE8.` ServicePaused();
D>Ua#<52q return;
|mvM@V;^8{ }
UFIjW[h ServiceRunning();
Uh%6LPg^ Sleep(100);
]'e AO //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
KD=bkZ& //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
sNf
+ lga0 if(KillPS(atoi(lpszArgv[5])))
N|$5/bV ServiceStopped();
9 R else
EP(Eq ServicePaused();
CdNih8uG return;
Pr2;Kp }
I5Q~T5Ar /////////////////////////////////////////////////////////////////////////////
5v+L';wx[T void main(DWORD dwArgc,LPTSTR *lpszArgv)
1xIFvXru {
T$IUKR SERVICE_TABLE_ENTRY ste[2];
E$R_rX4x ste[0].lpServiceName=ServiceName;
wcl!S { ste[0].lpServiceProc=ServiceMain;
8UYJye8 ste[1].lpServiceName=NULL;
VRB~7\A5<) ste[1].lpServiceProc=NULL;
xRB7lV* StartServiceCtrlDispatcher(ste);
ivD^HhG return;
$Ba`VGP>)3 }
E^82==R /////////////////////////////////////////////////////////////////////////////
"\<P$&`HA 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
58PKx5`D 下:
_)q4I(s* /***********************************************************************
7~D`b1|| Module:function.c
4/f[`].#W Date:2001/4/28
YLigP"*~^ Author:ey4s
?l>e75V%w Http://www.ey4s.org Y!aLf[x] ***********************************************************************/
7g8B'ex J #include
Wkww&Y ////////////////////////////////////////////////////////////////////////////
Bqp&2zg)@ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
w0X$rl1 {
boIVU`F-! TOKEN_PRIVILEGES tp;
d _uFY: LUID luid;
C6CGj8G w~n kNqm if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
BPqwDjW {
YY\Rua/nG printf("\nLookupPrivilegeValue error:%d", GetLastError() );
h)P]gT0f/ return FALSE;
v/x*]c!"` }
zaBG= tp.PrivilegeCount = 1;
(]}XLMi,|! tp.Privileges[0].Luid = luid;
$M-NR||k if (bEnablePrivilege)
QY@nE
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
j $KM9 else
"s${!A) tp.Privileges[0].Attributes = 0;
p#z;cjfSt // Enable the privilege or disable all privileges.
r.9 $y/5 AdjustTokenPrivileges(
K# /Ch5? hToken,
dw3'T4TC? FALSE,
\3M1.Q4$Gr &tp,
D?%e"*> sizeof(TOKEN_PRIVILEGES),
kv/(rKLp* (PTOKEN_PRIVILEGES) NULL,
LK{a9`
h (PDWORD) NULL);
uFWvtL?;_ // Call GetLastError to determine whether the function succeeded.
5"[yFmP* if (GetLastError() != ERROR_SUCCESS)
VSx%8IM+X {
FGDw;lEa9[ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
BJ"Ay@D* return FALSE;
Na-q%ru }
9wzg{4/-$ return TRUE;
V54q"kP,@. }
tG_-;03<`4 ////////////////////////////////////////////////////////////////////////////
WVinP(#nfM BOOL KillPS(DWORD id)
B
JU*`Tx {
> e;]mU`, HANDLE hProcess=NULL,hProcessToken=NULL;
UUD\bWfn BOOL IsKilled=FALSE,bRet=FALSE;
JTjzT2`A. __try
A7.JFf> {
KzIt UQSX<6" if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
O.dux5lfBd {
L,GShl 0S printf("\nOpen Current Process Token failed:%d",GetLastError());
Gi;9 S __leave;
RsR] T]4 }
7L1\1E:! //printf("\nOpen Current Process Token ok!");
gW/QFZjY if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
2Qw)-EB {
#wGQv __leave;
AUu5g }
>c&4_?d&,A printf("\nSetPrivilege ok!");
H7y&N5.V /E;;j9 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
:jl
u {
"^18&>^ printf("\nOpen Process %d failed:%d",id,GetLastError());
5f/@:~ __leave;
x_]",2 W' }
|:dCVd<du //printf("\nOpen Process %d ok!",id);
2&suo!ig if(!TerminateProcess(hProcess,1))
{_": /A {
P*}9,VoY printf("\nTerminateProcess failed:%d",GetLastError());
h5<T.vV __leave;
h 3eGq:!9 }
Xqc'R5Cw IsKilled=TRUE;
0c%@e2(N }
aB/{ %%o __finally
WNCM|VUl {
3we.*\2$ if(hProcessToken!=NULL) CloseHandle(hProcessToken);
jq7vOr-_g if(hProcess!=NULL) CloseHandle(hProcess);
z<FV1niE }
^)(G(=-Rf return(IsKilled);
u Eu6f }
.ruqRGe/ //////////////////////////////////////////////////////////////////////////////////////////////
cC7"J\+r* 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:
#rqyy0k0'h /*********************************************************************************************
S(@*3]!q ModulesKill.c
mjWp8i
Create:2001/4/28
g%@]z8L Modify:2001/6/23
[_B+DD=} Author:ey4s
8L%%eM_O Http://www.ey4s.org 2nG{>,#C:O PsKill ==>Local and Remote process killer for windows 2k
41P4?"O **************************************************************************/
i=,B88ko #include "ps.h"
~ra#UG\Y8 #define EXE "killsrv.exe"
Q=)"om #define ServiceName "PSKILL"
e);bF>.~ K7)j #pragma comment(lib,"mpr.lib")
,Zf
:R //////////////////////////////////////////////////////////////////////////
Y*]l|)a6_] //定义全局变量
MoC*tImWR SERVICE_STATUS ssStatus;
>u'/$k SC_HANDLE hSCManager=NULL,hSCService=NULL;
>#Grf)@"6 BOOL bKilled=FALSE;
dqIZ#;:g char szTarget[52]=;
D}=/w+ //////////////////////////////////////////////////////////////////////////
GGFar\
EzW BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
<=B1"'\ BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
R^mu%dw)(% BOOL WaitServiceStop();//等待服务停止函数
p~v2XdR BOOL RemoveService();//删除服务函数
g~bf! /////////////////////////////////////////////////////////////////////////
BH.:_Qrbh[ int main(DWORD dwArgc,LPTSTR *lpszArgv)
^bZ<9} {
k~'?"' BOOL bRet=FALSE,bFile=FALSE;
l}U~I
3}). char tmp[52]=,RemoteFilePath[128]=,
z7NGpA( szUser[52]=,szPass[52]=;
FZeN, HANDLE hFile=NULL;
LAu+{'O\ DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
3fbD"gL 3n}sCEt= //杀本地进程
WHhR)$zC if(dwArgc==2)
zLJ:U`uh\ {
I@y2HxM if(KillPS(atoi(lpszArgv[1])))
~;!i)[- printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
?15POY ?Z else
"jkw8UVz printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
y<I Z|f lpszArgv[1],GetLastError());
i'eYmm96Q return 0;
. }-@;:yh }
M]%!n3Fb //用户输入错误
H4,.H,PZ else if(dwArgc!=5)
A?6{ {
iXr`0V printf("\nPSKILL ==>Local and Remote Process Killer"
Ivd[U`=Q "\nPower by ey4s"
/ze_{{o "\nhttp://www.ey4s.org 2001/6/23"
#*ZnA, "\n\nUsage:%s <==Killed Local Process"
!."%M^J "\n %s <==Killed Remote Process\n",
;f\R$u- lpszArgv[0],lpszArgv[0]);
SopNtcu! return 1;
A{{q'zb! }
q\z=z$VR //杀远程机器进程
i;uG:,ro strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
Gdc~Lh strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
s)`1Rf strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
g4.'T51 &y+PSa%n //将在目标机器上创建的exe文件的路径
SSA%1l2! sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
h0Sy']3m __try
&K}(A{ {
.SRuyioF& //与目标建立IPC连接
Le#E! sU if(!ConnIPC(szTarget,szUser,szPass))
)ZQ9a4% {
4cVs(`g^ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
R~x;X3 return 1;
s[{:>~{iq }
-x3tx7% printf("\nConnect to %s success!",szTarget);
"p6:ekw //在目标机器上创建exe文件
;/hH=IT RT_Pd\(qD hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
tnKpn-LPA E,
TS~Y\Cp NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
709Uv5 if(hFile==INVALID_HANDLE_VALUE)
t?#vb}_ {
C[87f-g printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
Hc_hO __leave;
U{za m }
`Q(]AGI2 //写文件内容
C&d"#I while(dwSize>dwIndex)
B'lxlYV1 {
r-\T}e2Gz #ZYidt if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
dg'CHxU {
AT'_0>x8 printf("\nWrite file %s
'nj&}A' failed:%d",RemoteFilePath,GetLastError());
)W}/k$S __leave;
]B-$p p }
.$ P2W0G dwIndex+=dwWrite;
^S;RX* }
J}Z_.:JO(w //关闭文件句柄
rz%[o,s CloseHandle(hFile);
A aF5` bFile=TRUE;
kgbr+Yw2X //安装服务
YCLD!S/? if(InstallService(dwArgc,lpszArgv))
Z%HEn$t {
_]PfeCn:j //等待服务结束
YVg}q#
if(WaitServiceStop())
@e?[oojrM {
Oa_o"p<Lr //printf("\nService was stoped!");
-<}>YtB
Q }
O(
5L2G else
<*6y`X {
61Iy{-/ZV //printf("\nService can't be stoped.Try to delete it.");
>I8hFtAM }
}5Tyz i( Sleep(500);
.KwuhmR //删除服务
a@a1TpLQ RemoveService();
f)s_e }
{p lmFV }
e2=,n6N]c __finally
- R8!"~o {
=ZJ?xA8 //删除留下的文件
wor'=byh\ if(bFile) DeleteFile(RemoteFilePath);
>!v,`O1 //如果文件句柄没有关闭,关闭之~
/cg]wG!n8 if(hFile!=NULL) CloseHandle(hFile);
$et
: //Close Service handle
@,>=X:7 if(hSCService!=NULL) CloseServiceHandle(hSCService);
(=3&