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。
: 1{j&$ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
~"wD4Ue <1>与远程系统建立IPC连接
=&p bh <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
G8&'*7Bb <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Yn#8uaU <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
PWmz7*/ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
,qfa,O <6>服务启动后,killsrv.exe运行,杀掉进程
y{"E)YY <7>清场
vr vzV 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
RasoOj$ /***********************************************************************
dL\8^L Module:Killsrv.c
Ax%BnkU Date:2001/4/27
NV gLq@F Author:ey4s
|HEw~x<= Http://www.ey4s.org N\fT6#5B ***********************************************************************/
nZT@d;]U9 #include
|-mazvA #include
jgstx3 #include "function.c"
Jt)~h,68 #define ServiceName "PSKILL"
<2Q@^ Y/^<t'o& SERVICE_STATUS_HANDLE ssh;
n>4S P_[E7 SERVICE_STATUS ss;
@Dy.HQ~ /////////////////////////////////////////////////////////////////////////
;FmSL#]I void ServiceStopped(void)
m7"f6zSo( {
c`+ITNV ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
"tR.'F[n4P ss.dwCurrentState=SERVICE_STOPPED;
w|HZI,~ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
_R<HC ss.dwWin32ExitCode=NO_ERROR;
K$.zO4 ss.dwCheckPoint=0;
moR]{2Cd{ ss.dwWaitHint=0;
l#"alU!<^ SetServiceStatus(ssh,&ss);
Dr1F|[ return;
yRYWx` G }
s]N-n?'G" /////////////////////////////////////////////////////////////////////////
uaKB void ServicePaused(void)
3wE8y& {
-b$OHFL ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
lP
e$AI ss.dwCurrentState=SERVICE_PAUSED;
X\x9CA ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
.#@D n( ss.dwWin32ExitCode=NO_ERROR;
m\f_u* ss.dwCheckPoint=0;
(*ng$zZ$ ss.dwWaitHint=0;
nADd,|xD3 SetServiceStatus(ssh,&ss);
/ZDc=>)~ return;
5\S7Va;W }
SoX V void ServiceRunning(void)
mig3.is {
X W)A~wPBs ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Ic}ofBK ss.dwCurrentState=SERVICE_RUNNING;
~Hs{(7 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
dO[4}FZ$ ss.dwWin32ExitCode=NO_ERROR;
]KeNC)R ss.dwCheckPoint=0;
_p&$X ss.dwWaitHint=0;
;N\?]{ L SetServiceStatus(ssh,&ss);
62jA return;
wDO5Zew! }
q?L(V+X /////////////////////////////////////////////////////////////////////////
/6zpVkV void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
t {"iIz_S {
Elp!,(+&6 switch(Opcode)
BcLt95;.\ {
bY~ v0kg case SERVICE_CONTROL_STOP://停止Service
'EV *-_k ServiceStopped();
G C'%s break;
IFxI>6<& case SERVICE_CONTROL_INTERROGATE:
>#?: x*[ SetServiceStatus(ssh,&ss);
]e.+u break;
md"%S-a_dT }
5@$4.BGcF return;
kDq%Y[6Z }
uw=Ube( //////////////////////////////////////////////////////////////////////////////
?vFh)U //杀进程成功设置服务状态为SERVICE_STOPPED
k_>{"Rc //失败设置服务状态为SERVICE_PAUSED
!h!9SE //
n*~ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
ef&@aB {
>e;STU ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
Jt6J'MOq if(!ssh)
ap^=CEf {
Q~JKKq ServicePaused();
6# ";W2 return;
1omvE9
%zM }
>UY_:cW4%m ServiceRunning();
9M]"%E!s Sleep(100);
|"qB2.[ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
~C'nBV //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
FH8mK) if(KillPS(atoi(lpszArgv[5])))
`uVW<z{l ServiceStopped();
;6nZ else
b:Kw_Q ServicePaused();
bU ]N^og^ return;
X3{1DY3@u }
i8_x1=A /////////////////////////////////////////////////////////////////////////////
U!:!]DX( void main(DWORD dwArgc,LPTSTR *lpszArgv)
2?iOB6 {
_M[[vXH SERVICE_TABLE_ENTRY ste[2];
WgJAr73
l ste[0].lpServiceName=ServiceName;
%D(prA_w ste[0].lpServiceProc=ServiceMain;
;&6PL]/d ste[1].lpServiceName=NULL;
;-pvc<_c< ste[1].lpServiceProc=NULL;
wp.e3l StartServiceCtrlDispatcher(ste);
9}cuAVI return;
Q5nyD/k4c }
3D{4vMmX /////////////////////////////////////////////////////////////////////////////
^:DhHqvK 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
yVHlT 下:
gvqd1?0w /***********************************************************************
v\(m"|4(i Module:function.c
C'/M/|=Q# Date:2001/4/28
"P5bYq%0v Author:ey4s
$H-D9+8 7 Http://www.ey4s.org 1 {x~iZa ***********************************************************************/
@:+n6 #include
t"/"Ge#a ////////////////////////////////////////////////////////////////////////////
WG/J4H`Od BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
c4>sE[] {
c48J!,jCd' TOKEN_PRIVILEGES tp;
%;(|KrUN LUID luid;
_~ZQ b U@J/ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
BX(d"z b< {
?ZHE8 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Of7) A return FALSE;
I49l2> }
{L4>2rF tp.PrivilegeCount = 1;
ix7
e])m( tp.Privileges[0].Luid = luid;
]9&q'7*L if (bEnablePrivilege)
`3y!XET tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
_8b]o~[Z+ else
{IPn\Bka tp.Privileges[0].Attributes = 0;
MAe<.DHY // Enable the privilege or disable all privileges.
`x$}~rP&)! AdjustTokenPrivileges(
'CX.qxF1;p hToken,
n22hVw FALSE,
+yb$[E* &tp,
f'6qJk%J sizeof(TOKEN_PRIVILEGES),
)xvx6?Ah| (PTOKEN_PRIVILEGES) NULL,
R^yZG{?t (PDWORD) NULL);
_d[2_b1 // Call GetLastError to determine whether the function succeeded.
6+$d if (GetLastError() != ERROR_SUCCESS)
KtUGI.X {
40Qzo%eL printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
OKZam ik~ return FALSE;
5<O61Lgx }
HM@}!6/s return TRUE;
L);||]B }
VyoE5o ////////////////////////////////////////////////////////////////////////////
()C^ta_] BOOL KillPS(DWORD id)
g)9JO6] {
K rr?`n HANDLE hProcess=NULL,hProcessToken=NULL;
K\KO5A BOOL IsKilled=FALSE,bRet=FALSE;
N=Uc=I7C __try
adO!Gs9f? {
I,<>%Z|' \'?? if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
Ztyv@z'/Z {
qBBYckS. printf("\nOpen Current Process Token failed:%d",GetLastError());
I#S~ __leave;
n-y^7'v }
iijd$Tv //printf("\nOpen Current Process Token ok!");
pcuMGo-# if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
yF/< : {
-.b
I o __leave;
HTUYvU*- }
p&OJa$N$[ printf("\nSetPrivilege ok!");
V+=*2?1 53`9^|: if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
TDl!qp @ {
!#c[~erNZ printf("\nOpen Process %d failed:%d",id,GetLastError());
lbKv __leave;
V5yxQb }
vfJ3idvo*w //printf("\nOpen Process %d ok!",id);
jTd4 H) if(!TerminateProcess(hProcess,1))
S< EB&P {
T6R7,Vt'v printf("\nTerminateProcess failed:%d",GetLastError());
uXQ7eXX __leave;
I|F~HUzA" }
7O8V1Tt IsKilled=TRUE;
/OhaERv }
]Z.<c$ __finally
R(2HYZ {
iM?I
/\ if(hProcessToken!=NULL) CloseHandle(hProcessToken);
us\%BxxI9 if(hProcess!=NULL) CloseHandle(hProcess);
}_a+X }
9 {O2B5u1 return(IsKilled);
KH2F#[
!Lw }
Y8J;+h9 //////////////////////////////////////////////////////////////////////////////////////////////
{+C %D' 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:
Sv7>IVC?@ /*********************************************************************************************
1H&?UP4=( ModulesKill.c
`z-H]fU Create:2001/4/28
28T\@zi Modify:2001/6/23
NVO9XK Author:ey4s
Jt-XmGULB Http://www.ey4s.org oh7#cFZZ0 PsKill ==>Local and Remote process killer for windows 2k
nr<WO~Xw~ **************************************************************************/
hl6,#2$ #include "ps.h"
Y7*(_P3/ #define EXE "killsrv.exe"
y:g7'+c #define ServiceName "PSKILL"
x{NNx:T1 + ZR( #pragma comment(lib,"mpr.lib")
^MW\t4pZ //////////////////////////////////////////////////////////////////////////
,bZ"8Z"lss //定义全局变量
+CnyK(V SERVICE_STATUS ssStatus;
_HWHQF7 SC_HANDLE hSCManager=NULL,hSCService=NULL;
).0V%}> BOOL bKilled=FALSE;
F!OOrW]p0 char szTarget[52]=;
a%7"_{s1 //////////////////////////////////////////////////////////////////////////
1<LC8?wt BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
%_B:EMPd BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
9RG\UbX)^| BOOL WaitServiceStop();//等待服务停止函数
vp\PYg;x BOOL RemoveService();//删除服务函数
!
Q|J']| /////////////////////////////////////////////////////////////////////////
-1jjB1 int main(DWORD dwArgc,LPTSTR *lpszArgv)
c
}<*~w; {
~vW)1XnK BOOL bRet=FALSE,bFile=FALSE;
IWjR0 char tmp[52]=,RemoteFilePath[128]=,
6}VUD
-}B szUser[52]=,szPass[52]=;
oupJJDpP HANDLE hFile=NULL;
B>~k).M&, DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
awj+#^ "n{9- VEmN //杀本地进程
./ "mn3U if(dwArgc==2)
*Rz{44LP& {
]j& FbP)3 if(KillPS(atoi(lpszArgv[1])))
+M44XhT printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
`pP9z;/Xq else
b@=zrhQ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
RH!SW2o< lpszArgv[1],GetLastError());
gB(9vhj$ return 0;
Ey r5jXt%; }
-Bo86t)F //用户输入错误
_:wZmZU} else if(dwArgc!=5)
p>k]C:h {
lZ}izl printf("\nPSKILL ==>Local and Remote Process Killer"
!"g=&Uy& "\nPower by ey4s"
VDB$"T9# "\nhttp://www.ey4s.org 2001/6/23"
a`7%A H) "\n\nUsage:%s <==Killed Local Process"
L7SEswMti "\n %s <==Killed Remote Process\n",
jg~_'4f# lpszArgv[0],lpszArgv[0]);
{iA^rv| return 1;
CnabD{uTf }
oJP<'l1 //杀远程机器进程
?Wwh
_TO strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
x Z|&/Ci strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
=y?#^ strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
h6g=$8E NNwc!x)* //将在目标机器上创建的exe文件的路径
(N,nux(0k sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
)r ULT$;i@ __try
WI,40&< {
0(wf{5 //与目标建立IPC连接
fH-NU-" if(!ConnIPC(szTarget,szUser,szPass))
j h;
9
[ {
(FM4 ^#6 printf("\nConnect to %s failed:%d",szTarget,GetLastError());
@q,)fBZq return 1;
Q2*/`L}m\ }
66oK3%[ printf("\nConnect to %s success!",szTarget);
zLh Fbyn( //在目标机器上创建exe文件
{J{1`@ pp(H
PKs=} hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
Oz:D.V
3~ E,
<\h*Zy NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
fCLcU@3W? if(hFile==INVALID_HANDLE_VALUE)
Gu2_dT {
Y;8
>=0ye printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
a]`itjL^ __leave;
/Z:N8e }
>Cvjs //写文件内容
llNXQlP\B while(dwSize>dwIndex)
1XG$ z@NN {
f:xUPH?+ [1NaH if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
?~!tM}X0:3 {
u0xQ;BQ printf("\nWrite file %s
*]5z^>
q;7 failed:%d",RemoteFilePath,GetLastError());
]K7`-p~T __leave;
HCJ;&C73& }
p:B
]Ft dwIndex+=dwWrite;
~u!gUJ: }
j5zFDh1( //关闭文件句柄
Z)NrhJC CloseHandle(hFile);
+i+tp8T+7 bFile=TRUE;
k,T_e6( //安装服务
|H:<:*=6c if(InstallService(dwArgc,lpszArgv))
s,w YlVYf! {
9GThyY //等待服务结束
}f0u5:;Zth if(WaitServiceStop())
JfkTw~'R {
q'.;W@m //printf("\nService was stoped!");
(]OFS;% }
f7Zf}1| else
"MTWjW*6 {
z4g+2f7h-X //printf("\nService can't be stoped.Try to delete it.");
eO'xkm }
)`<6taKx@n Sleep(500);
+I&J7ICV0 //删除服务
e[}],W RemoveService();
t~ -J %$ }
m*gj|1k }
E[UO5X
__finally
u^l*5F%DK {
>&1um5K //删除留下的文件
<