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。
#2dH2k\F OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
lNo]]a+_ <1>与远程系统建立IPC连接
WCP2x.gb5 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
HP,{/ $i: <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
4C }#lW9 <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
gn:&akg <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
P>hR${KE <6>服务启动后,killsrv.exe运行,杀掉进程
Hyb_>n <7>清场
fp?/Dg"49. 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
C.RXQ`-P} /***********************************************************************
!}hG|Y6s Module:Killsrv.c
' 7H"ezt Date:2001/4/27
0"l`M5-KP Author:ey4s
+' SG$<Xv Http://www.ey4s.org "XLFw;o ***********************************************************************/
1oI2 #include
Z4dl'v)9 #include
pwVaSnre` #include "function.c"
39bw,lRPV #define ServiceName "PSKILL"
@2~;)* M Al4g+es SERVICE_STATUS_HANDLE ssh;
YRyaOrl$< SERVICE_STATUS ss;
skF}_ /////////////////////////////////////////////////////////////////////////
fuT Bh6w& void ServiceStopped(void)
-
WQ)rz {
/<k]mY cu ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
g'NR\<6A ss.dwCurrentState=SERVICE_STOPPED;
l\37/Z ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
MxqIB(5k ss.dwWin32ExitCode=NO_ERROR;
,rX|_4n* ss.dwCheckPoint=0;
~Kt2g\BSok ss.dwWaitHint=0;
9vBW CCf SetServiceStatus(ssh,&ss);
,7)zavA return;
Ud_0{%@ }
t{e}3}LEd /////////////////////////////////////////////////////////////////////////
Pp.]/; void ServicePaused(void)
sn8l3h) {
GC[Ot~*_ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
&hJQHlyJM0 ss.dwCurrentState=SERVICE_PAUSED;
_q}^#- ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
K.Y.K$NjP{ ss.dwWin32ExitCode=NO_ERROR;
]4B&8n! ss.dwCheckPoint=0;
mM'uRhO+ ss.dwWaitHint=0;
mZ g' SetServiceStatus(ssh,&ss);
i.gagb return;
A+KpECP }
-ZoAbp$ void ServiceRunning(void)
UlPhW~F) {
a>&dAo} ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Zd]ua_)I%[ ss.dwCurrentState=SERVICE_RUNNING;
M63t4; 0A ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
23X-h#w ss.dwWin32ExitCode=NO_ERROR;
NbK67p: ss.dwCheckPoint=0;
I:M15 ss.dwWaitHint=0;
ir~4\G! SetServiceStatus(ssh,&ss);
|(=b return;
0*]ZC'pm }
G_#MXFWt /////////////////////////////////////////////////////////////////////////
L-Mf{z void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
ri49r*_1 {
6('CB|ga switch(Opcode)
~&WBA]w'+ {
*9US>m Vy case SERVICE_CONTROL_STOP://停止Service
|=[._VH1 ServiceStopped();
kR<\iT0j break;
5Vr#>W case SERVICE_CONTROL_INTERROGATE:
=3=8oF x8 SetServiceStatus(ssh,&ss);
<CWOx&hr break;
tlgg~MViS }
@2sr/gX^ return;
71Y3.1+ }
_
Gkb[H&RZ //////////////////////////////////////////////////////////////////////////////
;Q<2Y# //杀进程成功设置服务状态为SERVICE_STOPPED
v!#koqd1y. //失败设置服务状态为SERVICE_PAUSED
_$yS4= . //
@v/
8}n void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
|$[.X3i {
'M
fVZho{ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
8peK[sz if(!ssh)
@=K*gbq5 {
q:mqA$n ServicePaused();
*JO%.QNg return;
f.:0T&%G }
|eksvO'~ ServiceRunning();
+*G<xW :M Sleep(100);
:ay`Id_tm //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
]?_V+F //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
_Nf%x1m5s if(KillPS(atoi(lpszArgv[5])))
=(Y+u ServiceStopped();
[f?x,W~ else
cXNR<` ServicePaused();
mcWN. return;
b@B\2BT }
j rg B56LL /////////////////////////////////////////////////////////////////////////////
OpmPw4?} void main(DWORD dwArgc,LPTSTR *lpszArgv)
OG^#e+ {
10tt' : SERVICE_TABLE_ENTRY ste[2];
=cI> { ste[0].lpServiceName=ServiceName;
/}(\P@Z ste[0].lpServiceProc=ServiceMain;
;".]W;I*O ste[1].lpServiceName=NULL;
WL;2&S/{@ ste[1].lpServiceProc=NULL;
x5k6"S"1, StartServiceCtrlDispatcher(ste);
`82^!7 ! return;
"YN6o_*] }
LAuaowE\v /////////////////////////////////////////////////////////////////////////////
%Lom#:L' 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
o`nJJ:Cxq- 下:
]3
76F7 /***********************************************************************
H< Module:function.c
:`S\p[5 Date:2001/4/28
1_>w|6;e Author:ey4s
`~1#X Http://www.ey4s.org *LQt=~ ***********************************************************************/
kQ|phtbI #include
"sed{? ////////////////////////////////////////////////////////////////////////////
X\5EF7:S BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
!(sL {
_8wT4|z5 TOKEN_PRIVILEGES tp;
.K+5k`kd LUID luid;
X3l6b+p rfOrh^ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
yJ!,>OQ%' {
<o@__l. printf("\nLookupPrivilegeValue error:%d", GetLastError() );
{<Xl57w-Q return FALSE;
ZFtN~Tg }
=91f26c!~ tp.PrivilegeCount = 1;
*Tq7[v{0*| tp.Privileges[0].Luid = luid;
`eKFs0M. if (bEnablePrivilege)
33NzQb tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
LG=_>:~t> else
uk3PoB^> tp.Privileges[0].Attributes = 0;
|%j7Es // Enable the privilege or disable all privileges.
Nk?L<' AdjustTokenPrivileges(
ht*;,[ea hToken,
JQSczE3 FALSE,
ZBjb f_M: &tp,
O*9d[jw[ sizeof(TOKEN_PRIVILEGES),
IW=%2n(<1 (PTOKEN_PRIVILEGES) NULL,
&7KX`%K"D (PDWORD) NULL);
rji<g>GQ // Call GetLastError to determine whether the function succeeded.
j#9n.i
%h if (GetLastError() != ERROR_SUCCESS)
z=TuUl@ {
v&xhS
yZ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
Se[>z( return FALSE;
k!!d2y6 }
]C>h_,EZc return TRUE;
nz Klue }
jtPHk*>^wu ////////////////////////////////////////////////////////////////////////////
q^b12@.
BOOL KillPS(DWORD id)
vZIx> {
o'ZW HANDLE hProcess=NULL,hProcessToken=NULL;
:-j/Y'H_ BOOL IsKilled=FALSE,bRet=FALSE;
/Tp>aW%}" __try
+[#^c3x2 {
fAD
{sg (n2=.9k! if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
qcfg 55]'c {
jNAboSf2Y printf("\nOpen Current Process Token failed:%d",GetLastError());
r:,"k:C __leave;
u4Z
Accj }
!lI1jb" //printf("\nOpen Current Process Token ok!");
<\L=F8[ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
:D:J_{HJ {
;RW5XnVx __leave;
dDqT#N?Y }
Z`ZML+;~6 printf("\nSetPrivilege ok!");
XpdjWLO]C< $~T|v7Y% if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
SKJ'6*6 {
xsg55` printf("\nOpen Process %d failed:%d",id,GetLastError());
kj`h{Wc[) __leave;
K?=g
IC: }
1fV\84m^ //printf("\nOpen Process %d ok!",id);
oi%IHX(` if(!TerminateProcess(hProcess,1))
xgWVxX^) {
D}?JX5. printf("\nTerminateProcess failed:%d",GetLastError());
t=n@<1d __leave;
'^BTa6W}m }
_j]vR IsKilled=TRUE;
sl*&.F,v= }
OmaG|2u __finally
4x" je {
J!iKW if(hProcessToken!=NULL) CloseHandle(hProcessToken);
bRx}ih if(hProcess!=NULL) CloseHandle(hProcess);
}SGb`l }
n;r
W return(IsKilled);
HG)h,&nc- }
m!:sDQn{3 //////////////////////////////////////////////////////////////////////////////////////////////
03 ;L OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
S,#UA%V" /*********************************************************************************************
nk+9J#Gs ModulesKill.c
.7n`]S/ Create:2001/4/28
O_Z Modify:2001/6/23
n ZzGak Author:ey4s
=]0AZ Http://www.ey4s.org ~.Cu,>fV PsKill ==>Local and Remote process killer for windows 2k
-7m7.>/M **************************************************************************/
xUDXg* #include "ps.h"
G V% @A #define EXE "killsrv.exe"
I0OfK3!^ #define ServiceName "PSKILL"
-aIB_ hFDo{yI #pragma comment(lib,"mpr.lib")
<2fvEW/#v //////////////////////////////////////////////////////////////////////////
i$z*~SuM# //定义全局变量
O_&Km[ SERVICE_STATUS ssStatus;
II(P SC_HANDLE hSCManager=NULL,hSCService=NULL;
S[RVk=A1 BOOL bKilled=FALSE;
8&v%>wxR@ char szTarget[52]=;
9S{0vc/2@ //////////////////////////////////////////////////////////////////////////
<is%lx(GDX BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
Bmi9U BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
- s0QEQ BOOL WaitServiceStop();//等待服务停止函数
;})so BOOL RemoveService();//删除服务函数
&MGM9
zm-] /////////////////////////////////////////////////////////////////////////
g;!,2,De} int main(DWORD dwArgc,LPTSTR *lpszArgv)
CK1gzIg> {
/XwwB BOOL bRet=FALSE,bFile=FALSE;
nY_+V{F char tmp[52]=,RemoteFilePath[128]=,
\_|r>vQ szUser[52]=,szPass[52]=;
&(A'uX.>pr HANDLE hFile=NULL;
EV N:3 DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
5}`e"X B k~% //杀本地进程
jNP%BNd1f if(dwArgc==2)
4|KtsAVp{ {
>('Z9<|r: if(KillPS(atoi(lpszArgv[1])))
eed!SmP printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
xBAASy else
e",0Er FT printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
x$24Nc1a' lpszArgv[1],GetLastError());
vkW]?::Cfd return 0;
X&.LX }
hi9@U]H# //用户输入错误
i}Cy q else if(dwArgc!=5)
R TeG\U {
]s~%1bd
printf("\nPSKILL ==>Local and Remote Process Killer"
%s[
n2w "\nPower by ey4s"
Xldz&&@ "\nhttp://www.ey4s.org 2001/6/23"
yUu+68Z6 "\n\nUsage:%s <==Killed Local Process"
IoWK 8x "\n %s <==Killed Remote Process\n",
x%,!px3s lpszArgv[0],lpszArgv[0]);
@'FO M return 1;
/7Ft1f }
r r(UE //杀远程机器进程
Nrk/_0^ strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
Eb9{ strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
hB-<GGcO < strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
S$ 91L Z;J{&OJ3qM //将在目标机器上创建的exe文件的路径
(c9!: sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
@]B
7(j<'R __try
vaj-|&
{
nh%Q"; //与目标建立IPC连接
t}-rN5GO if(!ConnIPC(szTarget,szUser,szPass))
D2Dk7//82Y {
G:{\-R' printf("\nConnect to %s failed:%d",szTarget,GetLastError());
r#/Bz5Jb* return 1;
\FjY;rqfKe }
;.b^A printf("\nConnect to %s success!",szTarget);
(Kaunp5_` //在目标机器上创建exe文件
B e2yS]U BI0 A0 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
Qb&gKQtt@ E,
VHTr;(]hk NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
+v"%@lC}; if(hFile==INVALID_HANDLE_VALUE)
+xRSd * {
gq an]b_ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
v6+<F;G3y> __leave;
3dC;B@ }
k^r-~q+NV# //写文件内容
?\![W5uuXG while(dwSize>dwIndex)
GYNLyd) {
?$AWY\ o|7
h if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
#"aL M6Cfs {
}A'Ro/n printf("\nWrite file %s
[5QbE$ failed:%d",RemoteFilePath,GetLastError());
nN!R!tJPa __leave;
xsSX~` }
>X-*Hu'U# dwIndex+=dwWrite;
,{u'7p }
-K%~2M< //关闭文件句柄
%&b70]S( CloseHandle(hFile);
QLe<).S1B2 bFile=TRUE;
:]^FTnO //安装服务
8S7 YVsDz" if(InstallService(dwArgc,lpszArgv))
ouR(l; {
${)s
~[ //等待服务结束
hDHIi\% if(WaitServiceStop())
vP{;'R {
P0XVR_TJf //printf("\nService was stoped!");
bdkxCt }
1PjqXgN5p else
Blnc y {
!0
-[}vvU //printf("\nService can't be stoped.Try to delete it.");
'7TT4~F }
d3K-| Sleep(500);
Hnc<)_DF //删除服务
3eP7vy RemoveService();
SjB#"A5 }
;OfZEy>7 }
wQ/Z: __finally
y]TNjLpo$ {
7H5t!yk|9 //删除留下的文件
F otHITw[ if(bFile) DeleteFile(RemoteFilePath);
Jl(G4h V'\ //如果文件句柄没有关闭,关闭之~
D^e7%FX if(hFile!=NULL) CloseHandle(hFile);
,?zOJ,wl //Close Service handle
W05>\Rl if(hSCService!=NULL) CloseServiceHandle(hSCService);
&[|P/gj#> //Close the Service Control Manager handle
5 ]v]^Y'? if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
;m cu(J //断开ipc连接
hz~jyH.h_ wsprintf(tmp,"\\%s\ipc$",szTarget);
g?d*cwtU WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
zCdzxb_h" if(bKilled)
>gLLr1L\ printf("\nProcess %s on %s have been
f6zS_y9gn killed!\n",lpszArgv[4],lpszArgv[1]);
JW-!m8 else
O)Mf/P' printf("\nProcess %s on %s can't be
"/}cV5=Z killed!\n",lpszArgv[4],lpszArgv[1]);
@O%d2bgEWV }
;IYH5sG{ return 0;
KK4"H]!. }
.WT^L2l% //////////////////////////////////////////////////////////////////////////
f:|O);nM BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
hXx. {
?\$\YX%/p NETRESOURCE nr;
[.`%]Z( char RN[50]="\\";
a#G]5TZ Ps_q\R strcat(RN,RemoteName);
S|?Ht61k strcat(RN,"\ipc$");
&b7i> () +Jv*u8T' nr.dwType=RESOURCETYPE_ANY;
C^ hCT nr.lpLocalName=NULL;
aR~Od Ys nr.lpRemoteName=RN;
Oe[qfsdW nr.lpProvider=NULL;
jJDYl( [ .&Ok53]b if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
xRU ~hQ return TRUE;
4%L-3Ij else
KGoHn6jM return FALSE;
l`A4)8Y@ }
Lb}
cjI: /////////////////////////////////////////////////////////////////////////
,dO$R.h BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
)mb RG9P {
XU19+mW=P BOOL bRet=FALSE;
J%n{R60b __try
XTOZ]H*^ {
x3++JG //Open Service Control Manager on Local or Remote machine
bR;Zc hSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);
C5^eD^[c if(hSCManager==NULL)
gYy9N=f+ {
/P3s.-sL printf("\nOpen Service Control Manage failed:%d",GetLastError());
Pqm)OZE? __leave;
}lzN)e }
]9}T)Df' //printf("\nOpen Service Control Manage ok!");
`bF]O" //Create Service
OnKPD=< hSCService=CreateService(hSCManager,// handle to SCM database
AZTn!hrU ServiceName,// name of service to start
tSvklI ServiceName,// display name
U.B=%S SERVICE_ALL_ACCESS,// type of access to service
{k}EWV SERVICE_WIN32_OWN_PROCESS,// type of service
j$8i!C SERVICE_AUTO_START,// when to start service
q
T pvz SERVICE_ERROR_IGNORE,// severity of service
{UR&Y failure
j2/3NF5& EXE,// name of binary file
sUP!'Av NULL,// name of load ordering group
@~l?hf NULL,// tag identifier
P_w\d/3 NULL,// array of dependency names
4Dd7I NULL,// account name
S=wJ{?gzAK NULL);// account password
njy^<7; //create service failed
V^U1o[` if(hSCService==NULL)
yU@~UCmja {
?$T39U^ //如果服务已经存在,那么则打开
96.z\[0VZ if(GetLastError()==ERROR_SERVICE_EXISTS)
qJ|n73yn {
r4D6I, //printf("\nService %s Already exists",ServiceName);
pM i w9} //open service
F}lgy;=h hSCService = OpenService(hSCManager, ServiceName,
l< y9ue= SERVICE_ALL_ACCESS);
M5Twulz/w if(hSCService==NULL)
'C9H6)Zq) {
oYG].PC printf("\nOpen Service failed:%d",GetLastError());
gAY%VFBP0 __leave;
dTV:/QM }
K~# wvUb //printf("\nOpen Service %s ok!",ServiceName);
p~sfd }
$.z~bmH"D else
+H K)A%QI {
yeCR{{B/' printf("\nCreateService failed:%d",GetLastError());
<9s=K\- __leave;
f2#9E+IQ }
iZy`5 }
L8~nx}UP5 //create service ok
O&:0mpRZ else
VhAZncw {
P~+?:buqc //printf("\nCreate Service %s ok!",ServiceName);
ZQ^kS9N i }
[wM<J$=2 m7XJe[O // 起动服务
Iy}r'#N if ( StartService(hSCService,dwArgc,lpszArgv))
$DfaW3bJ {
J\%<.S> //printf("\nStarting %s.", ServiceName);
V+dfV`*k Sleep(20);//时间最好不要超过100ms
l}DCK while( QueryServiceStatus(hSCService, &ssStatus ) )
IKK<D'6 {
aqb;H 'F if ( ssStatus.dwCurrentState == SERVICE_START_PENDING)
lbES9o5 {
O^]I>A#d printf(".");
8dw]i1t< Sleep(20);
:8_`T$8i4 }
{tE/Jv $ else
4JHQ^i-aY break;
Or9@ X=C }
~EU[? if ( ssStatus.dwCurrentState != SERVICE_RUNNING )
3_atv'I printf("\n%s failed to run:%d",ServiceName,GetLastError());
4Pljyq: }
<(JsB'TK else if(GetLastError()==ERROR_SERVICE_ALREADY_RUNNING)
n/"T7Y\2 {
16\U'< //printf("\nService %s already running.",ServiceName);
vII8>x%* }
RZfC? else
_^RN
C)ol {
z#!xqIg0 printf("\nStart Service %s failed:%d",ServiceName,GetLastError());
7[-jr;v __leave;
v.1= TBh }
(oxe\Qk bRet=TRUE;
rI}E2J }//enf of try
~zz |U!TG __finally
ru`;cXa, {
T^a {#B return bRet;
B-[SUmHr }
s\&_Kbw]c return bRet;
Q;P ~' }
&,Q{l$`X /////////////////////////////////////////////////////////////////////////
fBH&AO$Q BOOL WaitServiceStop(void)
9ok|]d P {
R7KQ-+Zb BOOL bRet=FALSE;
(Df<QC`0v //printf("\nWait Service stoped");
bq4H4?j while(1)
'w%N(N tq {
JMOP/]%D Sleep(100);
7/vr!tbL`p if(!QueryServiceStatus(hSCService, &ssStatus))
.Qh8I+Q% {
dITnPb)i printf("\nQueryServiceStatus failed:%d",GetLastError());
G
7)D+],{Y break;
v%<_Mh }
fC3IxlG if(ssStatus.dwCurrentState==SERVICE_STOPPED)
s/[i>`g/9 {
^@L[0Z` bKilled=TRUE;
~~1~ _0?e bRet=TRUE;
Y%:p(f< break;
lSyp
k-c }
9L#B"lh if(ssStatus.dwCurrentState==SERVICE_PAUSED)
)C2d)(baEJ {
1|w,Z+/ //停止服务
ioi bRet=ControlService(hSCService,SERVICE_CONTROL_STOP,NULL);
~DZ;l/&Mz7 break;
p2~Q }
&SN$D5U' else
/&j4I