Malware.View on attack.mitre.org
Pisloader is a malware family that is notable due to its use of DNS as a C2 protocol as well as its use of anti-analysis tactics. It has been used by APT18 and is similar to another malware family, HTTPBrowser, that has been used by the group.
| Technique | Procedure example |
|---|---|
| T1016 System Network Configuration Discovery |
Pisloader has a command to collect the victim's IP address. |
| T1027 Obfuscated Files or Information |
Pisloader obfuscates files by splitting strings into smaller sub-strings and including "garbage" strings that are never used. The malware also uses return-oriented programming (ROP) technique and single-byte XOR to obfuscate data. |
| T1059.003 Windows Command Shell |
Pisloader uses cmd.exe to set the Registry Run key value. It also has a command to spawn a command shell. |
| T1071.004 DNS |
Pisloader uses DNS as its C2 protocol. |
| T1082 System Information Discovery |
Pisloader has a command to collect victim system information, including the system name and OS version. |
| T1083 File and Directory Discovery |
Pisloader has commands to list drives on the victim machine and to list file information for a given directory. |
| T1105 Ingress Tool Transfer |
Pisloader has a command to upload a file to the victim machine. |
| T1132.001 Standard Encoding |
Responses from the Pisloader C2 server are base32-encoded. |
| T1547.001 Registry Run Keys / Startup Folder |
Pisloader establishes persistence via a Registry Run key. |
None recorded.
Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.
