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。
MfWyc_ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
`,(,tn_ <1>与远程系统建立IPC连接
TmV,&['mg <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
xM&Wgei]10 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
<yH4HY <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
n74V|b6W <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
|='z{WS <6>服务启动后,killsrv.exe运行,杀掉进程
<y NM%P<Oy <7>清场
Gf<'WQ[ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Pf\D-1gi /***********************************************************************
#nPQ!NB/ Module:Killsrv.c
Dw<bn<e- Date:2001/4/27
([m
mPyp>L Author:ey4s
R&BTA Http://www.ey4s.org j+uLV{~g6 ***********************************************************************/
n4R(.N00 #include
sWc*5Rt #include
^Uf]Q$uCjE #include "function.c"
f>UXD #define ServiceName "PSKILL"
42(Lb'G ^5h]Y;tx SERVICE_STATUS_HANDLE ssh;
+
|#O@k SERVICE_STATUS ss;
n
T{3o;A /////////////////////////////////////////////////////////////////////////
D)m5 void ServiceStopped(void)
~5CBEIF(NS {
'z%o16F)L ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
fj;y}t1E] ss.dwCurrentState=SERVICE_STOPPED;
\1fN0e ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
%B5wH_p ss.dwWin32ExitCode=NO_ERROR;
uP~@U" ! ss.dwCheckPoint=0;
/7|V+6jV ss.dwWaitHint=0;
/2=#t-p+ SetServiceStatus(ssh,&ss);
8{^WY7.' return;
,0~n3G }
2Q/4bJpd /////////////////////////////////////////////////////////////////////////
NnDxq%l% void ServicePaused(void)
[d1mLJAR {
Af'" 6BS ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
hog=ut ss.dwCurrentState=SERVICE_PAUSED;
[f1
(`< ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
]%wVHC ss.dwWin32ExitCode=NO_ERROR;
z8SmkL ss.dwCheckPoint=0;
Kgi<UkFP ss.dwWaitHint=0;
w&o&jAb-M SetServiceStatus(ssh,&ss);
pgE}NlW return;
XBb~\p3y }
3L_\`Ia9 void ServiceRunning(void)
i]6`LqlO {
\KQ71yqY ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
ZjQ
|Wx ss.dwCurrentState=SERVICE_RUNNING;
ND>r#(_\ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
X[PZg{ ss.dwWin32ExitCode=NO_ERROR;
AGQ#$fh>7= ss.dwCheckPoint=0;
J;{N72 ss.dwWaitHint=0;
d%RC SetServiceStatus(ssh,&ss);
Q@<S[Qh[. return;
)4<__|52"1 }
]
2eK /////////////////////////////////////////////////////////////////////////
[z`31F void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
q_g+Jf
P-D {
gcPTLh[^Er switch(Opcode)
E_])E`BJ {
%,6#2X nX% case SERVICE_CONTROL_STOP://停止Service
UEM(@zD] ServiceStopped();
rV R1wsaL break;
:Q $K<)[ case SERVICE_CONTROL_INTERROGATE:
f]`#J%P SetServiceStatus(ssh,&ss);
JEahGzO break;
nrxo&9[@n }
gQxbi1!;9 return;
P@$/P99 }
\?0&0;5 //////////////////////////////////////////////////////////////////////////////
aqRhh=iS //杀进程成功设置服务状态为SERVICE_STOPPED
zR1^I~
% //失败设置服务状态为SERVICE_PAUSED
a(kg/s //
j9?}j#@ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Z&1T {
:km61 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
u frW\X if(!ssh)
u37'~&o{U {
CFzNwgv]z ServicePaused();
<>s`\ % return;
cZB7fmq% }
DnCP
aM4% ServiceRunning();
(l-tvk4Ln Sleep(100);
\6E|pbJ}x //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Q&wB$*u //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
l6YtEHNG if(KillPS(atoi(lpszArgv[5])))
t2F_uCr ServiceStopped();
v0-cd else
}.3nthgz ServicePaused();
J
pFfzb
return;
{QcLu"?c }
D7lK30 /////////////////////////////////////////////////////////////////////////////
$@^pAP void main(DWORD dwArgc,LPTSTR *lpszArgv)
e,F1Xi#d {
z.$4!$q SERVICE_TABLE_ENTRY ste[2];
ORyE`h ste[0].lpServiceName=ServiceName;
*5vV6][ ste[0].lpServiceProc=ServiceMain;
=yr0bGy`- ste[1].lpServiceName=NULL;
T]t+E'sQ ste[1].lpServiceProc=NULL;
]h>_\9qO StartServiceCtrlDispatcher(ste);
o.w\l\ return;
G;v8$)Zj }
=Z P%mW&;} /////////////////////////////////////////////////////////////////////////////
,TXTS*V? function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
TD'L'm|2 下:
PZE0}>z /***********************************************************************
c_-drS Module:function.c
4{hps.$?~ Date:2001/4/28
xIxn"^' Author:ey4s
(g[h
8
c Http://www.ey4s.org +W:=e,= ***********************************************************************/
fBRo_CU8! #include
OUeyklw ////////////////////////////////////////////////////////////////////////////
^HV>`Pjd}= BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
[q/Abz'i {
JRSSn] pw TOKEN_PRIVILEGES tp;
dRj| g LUID luid;
lDOCmdt@N rs,2rSsg! if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
4SlADvGl {
tE@;X= printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Cnbz=z return FALSE;
^cczJOxB }
"}pNe"ok tp.PrivilegeCount = 1;
4a'N>eDR tp.Privileges[0].Luid = luid;
nQ q=7Gu if (bEnablePrivilege)
k.uMp<)D tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
DE%KW:Hug else
Min
^> tp.Privileges[0].Attributes = 0;
FrTi+& < // Enable the privilege or disable all privileges.
RoU55mL AdjustTokenPrivileges(
}emN9Rj hToken,
zUKmx y@ FALSE,
IB[)TZ2m &tp,
wQe_vY sizeof(TOKEN_PRIVILEGES),
9?0^ap,T (PTOKEN_PRIVILEGES) NULL,
Q^
pmQ (PDWORD) NULL);
l-SAC3qhG // Call GetLastError to determine whether the function succeeded.
Ezr:1 GJ if (GetLastError() != ERROR_SUCCESS)
t^6dzrF {
@xbQ Ye%J printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
GH+r?2< return FALSE;
2
dAB-d:k }
fjU8gV return TRUE;
4<% *E{` }
<)u`~$n2 ////////////////////////////////////////////////////////////////////////////
,wIONDnLZ BOOL KillPS(DWORD id)
sC='_h {
:a$\/E = HANDLE hProcess=NULL,hProcessToken=NULL;
nHm}zOLc BOOL IsKilled=FALSE,bRet=FALSE;
|962G1. __try
hS)'a^FV {
8>0e*jC '=Rs/EDME if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
KU8Jbl*
{
Jh
]i]7r printf("\nOpen Current Process Token failed:%d",GetLastError());
hnDBFQ{ __leave;
S"xKL{5 }
a'2$nbp} //printf("\nOpen Current Process Token ok!");
vJ'2@f$ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
YhDtUt}? {
^R# E:3e __leave;
*T5!{ }
UazP6^{L printf("\nSetPrivilege ok!");
bI:zp!-. i[?Vin if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
\3pc"^W {
R'C2o] printf("\nOpen Process %d failed:%d",id,GetLastError());
6f\Lf?vF __leave;
}Q=!Y>Tc }
)pq;*~IBI //printf("\nOpen Process %d ok!",id);
vvKEv/pN7 if(!TerminateProcess(hProcess,1))
OoA|8!CFa {
v"#mzd.tW printf("\nTerminateProcess failed:%d",GetLastError());
pKit~A,Q __leave;
X)7x<?DAy }
yuat" Pg IsKilled=TRUE;
HbXPok }
`/EGyN6X __finally
:9^;Qv* {
a{
?`t| if(hProcessToken!=NULL) CloseHandle(hProcessToken);
Fsif6k=4 if(hProcess!=NULL) CloseHandle(hProcess);
|j#C|V%kV }
Si6al78 return(IsKilled);
P!+'1KR }
t.`@{R$hoA //////////////////////////////////////////////////////////////////////////////////////////////
L$IQuy 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:
=8; {\ /*********************************************************************************************
!f&Kf,#b` ModulesKill.c
PYM(Xz$ Create:2001/4/28
f]JM / Modify:2001/6/23
DDPxmuNG Author:ey4s
4KH45|;3 Http://www.ey4s.org Gu2P\I2zx PsKill ==>Local and Remote process killer for windows 2k
v"OY 1<8 **************************************************************************/
:9$F'd\ #include "ps.h"
iVy7elT;R #define EXE "killsrv.exe"
V>A.iim #define ServiceName "PSKILL"
[&&1j@LQ* SRrw0&ts #pragma comment(lib,"mpr.lib")
PzA|t;* //////////////////////////////////////////////////////////////////////////
?i06f,- //定义全局变量
X_$Cb<e SERVICE_STATUS ssStatus;
0Sgaem` SC_HANDLE hSCManager=NULL,hSCService=NULL;
rz@=pR : BOOL bKilled=FALSE;
HA2k[F@3^ char szTarget[52]=;
BbgnqzU //////////////////////////////////////////////////////////////////////////
Bc6|n :;u BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
+;#Y]xy: BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
a^=-Mp BOOL WaitServiceStop();//等待服务停止函数
L7VG`h; BOOL RemoveService();//删除服务函数
5lm<% /////////////////////////////////////////////////////////////////////////
+TQ47Zc int main(DWORD dwArgc,LPTSTR *lpszArgv)
(Nx;0"5IX {
+eX@U;J,g BOOL bRet=FALSE,bFile=FALSE;
> 3&: 5 char tmp[52]=,RemoteFilePath[128]=,
@ ]/AjjLt szUser[52]=,szPass[52]=;
V}SBuQp" HANDLE hFile=NULL;
QoG cWJ DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
rxy&spX =9"W@n[>W //杀本地进程
/k<WNZM if(dwArgc==2)
#3_*]8K.R {
o]p|-<I Q if(KillPS(atoi(lpszArgv[1])))
k&.Jk
B" printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
pGK;1gVj else
}b0; 0j printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
t| 'N+-T3 lpszArgv[1],GetLastError());
U)o$WH.b return 0;
T+<A`k: - }
&d5ia+# //用户输入错误
^1L>l9F else if(dwArgc!=5)
aMvI?y { {
$.GOZqMs printf("\nPSKILL ==>Local and Remote Process Killer"
XLH+C ]pfr "\nPower by ey4s"
tX"Th'Qi "\nhttp://www.ey4s.org 2001/6/23"
FN%m0"/Z{t "\n\nUsage:%s <==Killed Local Process"
W@Lu;g.Yc "\n %s <==Killed Remote Process\n",
]f_6 '|5A lpszArgv[0],lpszArgv[0]);
YBP:q2H return 1;
a\:VREKj, }
K%X^n>O7C //杀远程机器进程
hQDTS>U strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
=n'
4?W@ strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
r,Nq7Txn? strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
zA!0l*H BYo/57&: //将在目标机器上创建的exe文件的路径
;x8k[p~2 sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
lME)?LOI __try
*r$+&8V\n {
{nvLPUL //与目标建立IPC连接
Wf&W^Q if(!ConnIPC(szTarget,szUser,szPass))
!\,kZ|#> {
*s>BG1$< printf("\nConnect to %s failed:%d",szTarget,GetLastError());
,57`D' return 1;
Gsc\/4Wx }
C$@yG)Pj printf("\nConnect to %s success!",szTarget);
}oKG}wgY //在目标机器上创建exe文件
yGsz2T;w ~35U]s@v hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
Xe^Cn
R E,
YTjkPj: NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
UD)e:G[Gat if(hFile==INVALID_HANDLE_VALUE)
fS"Hr 0 {
A,)VM9M_l printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
JB&\i# __leave;
cn-
nj] }
gt7VxZ //写文件内容
j$7Xs" while(dwSize>dwIndex)
/De^
{
}h}<!s &k1T08C* if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
1<<kA:d {
J-<^P5 printf("\nWrite file %s
S#-tOjU* failed:%d",RemoteFilePath,GetLastError());
Z-B%'/. __leave;
]D!k&