Linux.Siggen.4081
Added to the Dr.Web virus database:
2021-08-02
Virus description added:
2021-08-01
Technical Information
Malicious functions:
Launches processes:
- /bin/bash <SAMPLE_FULL_PATH> -c exec '<SAMPLE_FULL_PATH>' \"$@\" <SAMPLE_FULL_PATH>
- <SAMPLE_FULL_PATH>
- /bin/bash <SAMPLE_FULL_PATH> -c
- mv /bin/pidof /bin/prednizons
- id -u
- rm -rf /usr/lib/.dsht
- rm -rf /usr/lib/scroll
- clear
- useradd -N -m -r -p 1234567890 aktif
- nscd -i passwd
- nscd -i group
- passwd aktif aktif aktif
- mkdir /home/aktif/ads
- sleep 3
- grep ^NAME
- grep CentOS
- cat /etc/os-release
- grep Ubuntu
- grep Debian
- apt-get update -y
- /usr/bin/dpkg --print-foreign-architectures
- /usr/lib/apt/methods/http
Kills the following processes:
- /usr/lib/apt/methods/http
Performs operations with the file system:
Modifies file access rights:
- /home/aktif
- /home/aktif/.bashrc
- /home/aktif/.bash_logout
- /home/aktif/.profile
- /etc/passwd+
- /etc/shadow+
- /etc/subuid+
- /etc/subgid+
Creates folders:
- /home/aktif
- /home/aktif/ads
Creates symlinks:
- /etc/passwd.lock
- /etc/group.lock
- /etc/gshadow.lock
- /etc/subuid.lock
- /etc/subgid.lock
- /etc/shadow.lock
Creates or modifies files:
- /bin/pidof
- /etc/.pwd.lock
- /etc/passwd.717
- /etc/group.717
- /etc/gshadow.717
- /etc/subuid.717
- /etc/subgid.717
- /etc/shadow.717
- /var/log/faillog
- /var/log/lastlog
- /home/aktif/.bashrc
- /home/aktif/.bash_logout
- /home/aktif/.profile
- /etc/passwd-
- /etc/passwd+
- /etc/shadow-
- /etc/shadow+
- /etc/subuid-
- /etc/subuid+
- /etc/subgid-
- /etc/subgid+
- /var/lib/apt/lists/lock
- /var/lib/apt/lists/security.debian.org_dists_jessie_updates_InRelease
- /var/lib/apt/lists/ftp.ru.debian.org_debian_dists_jessie-updates_InRelease
Deletes files:
- /usr/lib/.dsht
- /usr/lib/scroll
- /etc/passwd.717
- /etc/group.717
- /etc/gshadow.717
- /etc/subuid.717
- /etc/subgid.717
- /etc/shadow.717
- /etc/shadow.lock
- /etc/passwd.lock
- /etc/group.lock
- /etc/gshadow.lock
- /etc/subuid.lock
- /etc/subgid.lock
Network activity:
Establishes connection:
- <LOCAL_DNS_SERVER>
- 15#.##1.2.132:80
- 15#.##1.66.132:80
- 15#.##1.130.132:80
- 15#.##1.194.132:80
- [2####4e42::644]:80
- [2#####e42:600::644]:80
- [2#####e42:400::644]:80
- [2#####e42:200::644]:80
- 85.###.112.112:80
DNS ASK:
- ft#.##.debian.org
- se####ty.debian.org
Curing recommendations
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