Linux.Packed.516
Added to the Dr.Web virus database:
2019-07-12
Virus description added:
2019-07-12
Technical Information
To ensure autorun and distribution:
Creates or modifies the following files:
Malicious functions:
Compiles a program from source codes:
- gcc /usr/local/lib/libioset.c -Wall -shared -fPIC -ldl -o /usr/local/lib/libioset.so
Launches processes:
- /bin/bash -c cp /tmp/watchdogs /usr/sbin/watchdogs
- cp /tmp/watchdogs /usr/sbin/watchdogs
- /bin/bash -c mkdir -p /etc/init.d
- mkdir -p /etc/init.d
- /bin/bash -c chkconfig --add watchdogs
- /bin/bash -c rm -rf /tmp/.systemd-private-*
- rm -rf /tmp/.systemd-private-*
- /bin/bash -c mkdir -p /usr/local/lib
- mkdir -p /usr/local/lib
- /bin/bash -c gcc /usr/local/lib/libioset.c -Wall -shared -fPIC -ldl -o /usr/local/lib/libioset.so
- /bin/bash -c mkdir -p /tmp && chmod 1777 /tmp
- mkdir -p /tmp
- chmod 1777 /tmp
- /bin/bash -c nohup /tmp/ksoftirqds >/dev/null 2>&1 &
- nohup /tmp/ksoftirqds
- /tmp/ksoftirqds
Performs operations with the file system:
Modifies file access rights:
- /usr/local/lib/libioset.so
- /tmp
Creates or modifies files:
- /tmp/.lsdpid
- /usr/local/lib/libioset.c
- /tmp/ccGUR5s7.s
- /tmp/cc534aP4.o
- /tmp/cc5L7GY2.res
- /tmp/cc3waBRE.c
- /tmp/ccpeUrgD.o
- /tmp/ccYHwDFB.ld
- /tmp/ccivz24z.le
- /usr/local/lib/libioset.so
- /etc/ld.so.preload
- /tmp/ksoftirqds
- /tmp/config.json
Deletes files:
- /etc/ld.so.preload
- /usr/local/lib/libioset.so
- /tmp/watchdogs
- /tmp/ksoftirqds
- /tmp/config.json
- /tmp/.systemd-private-*
- /tmp/ccYHwDFB.ld
- /tmp/ccivz24z.le
- /tmp/cc3waBRE.c
- /tmp/ccpeUrgD.o
- /tmp/cc5L7GY2.res
- /tmp/cc534aP4.o
- /tmp/ccGUR5s7.s
- /usr/local/lib/libioset.c
Network activity:
Establishes connection:
- <LOCAL_DNS_SERVER>
- [2########::f03c:91ff:fe70:2b9d]:9
- 17#.#8.123.25:9
- 19#.#68.0.0:22
- 19#.#68.0.1:22
- 19#.#68.0.2:22
- 19#.#68.0.3:22
- 19#.#68.0.4:22
- 47.###.39.92:13531
- 19#.#68.0.5:22
- 19#.#68.0.6:22
- 19#.#68.0.7:22
- 19#.#68.0.8:22
- 19#.#68.0.9:22
HTTP GET requests:
DNS ASK:
Sends data to the following servers:
Receives data from the following servers:
Curing recommendations
Linux
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