Linux.Siggen.6887
Added to the Dr.Web virus database:
2024-04-01
Virus description added:
2024-04-01
Technical Information
Malicious functions:
Removes itself
Launches itself as a daemon
Substitutes application name for:
- /usr/bin/dbus-daemon:mai!
Launches processes:
- useradd -m s1gna1bot
- chpasswd
- echo \x22s1gna1bot:ufohackyourdevicefree\x22 | chpasswd
Performs operations with the file system:
Modifies file access rights:
- /home/s1gna1bot
- /home/s1gna1bot/.profile
- /home/s1gna1bot/.bash_logout
- /home/s1gna1bot/.bashrc
- /etc/passwd-
- /etc/passwd+
- /etc/shadow-
- /etc/shadow+
- /etc/group-
- /etc/group+
- /etc/gshadow-
- /etc/gshadow+
- /etc/subuid-
- /etc/subuid+
- /etc/subgid-
- /etc/subgid+
- /etc/nshadow
Modifies file owner:
- /home/s1gna1bot
- /home/s1gna1bot/.profile
- /home/s1gna1bot/.bash_logout
- /home/s1gna1bot/.bashrc
- /etc/passwd-
- /etc/passwd+
- /etc/shadow-
- /etc/shadow+
- /etc/group-
- /etc/group+
- /etc/gshadow-
- /etc/gshadow+
- /etc/subuid-
- /etc/subuid+
- /etc/subgid-
- /etc/subgid+
- /etc/nshadow
Creates folders:
Creates symlinks:
- /etc/passwd.lock
- /etc/group.lock
- /etc/gshadow.lock
- /etc/subuid.lock
- /etc/subgid.lock
- /etc/shadow.lock
Creates or modifies files:
- /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/s1gna1bot/.profile
- /home/s1gna1bot/.bash_logout
- /home/s1gna1bot/.bashrc
- /etc/passwd-
- /etc/passwd+
- /etc/shadow-
- /etc/shadow+
- /etc/group-
- /etc/group+
- /etc/gshadow-
- /etc/gshadow+
- /etc/subuid-
- /etc/subuid+
- /etc/subgid-
- /etc/subgid+
- /etc/nshadow
- /etc/sudoers
Deletes files:
- /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
Changes time of creation/access/modification of files:
- /home/s1gna1bot/.profile
- /home/s1gna1bot/.bash_logout
- /home/s1gna1bot/.bashrc
- /etc/passwd-
- /etc/shadow-
- /etc/group-
- /etc/gshadow-
- /etc/subuid-
- /etc/subgid-
Network activity:
Awaits incoming connections on ports:
Establishes connection:
DNS ASK:
Curing recommendations
Linux
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