UNIX_BASHKAI.B
Linux, UNIX, Mac OS X
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
129 bytes
Script
No
06 Oct 2014
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- http://{BLOCKED}.{BLOCKED}.100.170/manual/a.c
It saves the files it downloads using the following names:
- /tmp/a.c - detected as TROJ_KAITEN.A
NOTES:
/tmp/a.c is a C source file.
This malware will compile the source file using GNU C Compiler (GCC) and save the compile binary as /tmp/.a - detected as ELF_KAITEN.SM.
Then, it will execute the compiled binary. As a result, malicious behavior are exhibited in the system.
It will perform self cleanup by deleting /tmp/.a.
SOLUTION
9.700
Step 1
Remove malware/grayware files dropped/downloaded by UNIX_BASHKAI.B. (Note: Please skip this step if the threats listed below have already been removed.)
- TROJ_KAITEN.A
Step 2
Scan your computer with your Trend Micro product to delete files detected as UNIX_BASHKAI.B. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
NOTES:
Please perform this as Step 1 of the solution:
Remove malware/grayware files created upon compilation of TROJ_KAITEN.A. (Note: Please skip this step if the threats listed below have already been removed.)
- ELF_KAITEN.SM
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