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Linux.Siggen.5590

Added to the Dr.Web virus database: 2023-09-18

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • /etc/rc.local
Malicious functions:
Launches itself as a daemon
Launches processes:
  • cat /proc/cpuinfo
  • sed -e s/.*:[^0-9]//
  • cat /proc/cpuinfo|grep cpu\x5c MHz|sed -e \x27s/.*:[^0-9]//\x27
  • ulimit -HSn 20480
  • ehco <SAMPLE_FULL_PATH> start >>/etc/rc.local
  • grep cpu MHz
Performs operations with the file system:
Creates or modifies files:
  • /etc/sysctl.conf
Network activity:
Awaits incoming connections on ports:
  • 0.0.0.0:47895
Establishes connection:
  • 43.###.16.52:9022
DNS ASK:
  • ar#.##shabig.pro
Sends data to the following servers:
  • 8.#.8.8
  • 43.###.16.52:9022
Receives data from the following servers:
  • 43.###.16.52:9022
Other:
Collects CPU information

Curing recommendations


Linux

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