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Linux.Packed.313

Added to the Dr.Web virus database: 2019-02-19

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/init.d/watchdogs
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/cck95xff.s
  • /tmp/ccUIOAOI.o
  • /tmp/cchEwsHe.res
  • /tmp/ccwGCtaL.c
  • /tmp/cceR43fh.o
  • /tmp/ccFzbSlN.ld
  • /tmp/ccyiMRrj.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/ccFzbSlN.ld
  • /tmp/ccyiMRrj.le
  • /tmp/ccwGCtaL.c
  • /tmp/cceR43fh.o
  • /tmp/cchEwsHe.res
  • /tmp/ccUIOAOI.o
  • /tmp/cck95xff.s
  • /usr/local/lib/libioset.c
Network activity:
Establishes connection:
  • <LOCAL_DNS_SERVER>
  • [2########::f03c:91ff:fe70:2b9d]:9
  • 17#.#8.123.25:9
  • 47.###.190.245:13531
  • 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
  • 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:
  • id##t.me/
DNS ASK:
  • id##t.me
  • xm#.#2pool.com
Sends data to the following servers:
  • 47.###.190.245:13531
Receives data from the following servers:
  • 47.###.190.245:13531
Other:
Collects RAM information

Curing recommendations


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