FILE-OTHER -- Snort detected traffic targeting vulnerabilities in a file type that does not require enough rule coverage to have its own category.
FILE-OTHER Microsoft .NET API XPS file parsing remote code execution attempt
The rule is looking for following malicious compressed content of `FixedDocumentSequence.fdseq` file inside a XPS file. ``` |77 90 22 C5 8A 0B 88 5E 7D B8 50 B5 EA 7A 38 BC 51 AD F1 B5 DA 24 A4 FC 87 E1 6C 94 DD 0 F 25 59| ```
The rule alerts when clients attempts to download malicious XPS file. This XPS file can cause remote code execution by exploiting CVE-2020-0605
No public information
No known false positives
Cisco Talos Intelligence Group
No rule groups
Insecure Deserialization
Insecure Deserialization relates to web application security. Applications turn an object into data through serialization; the reverse of that process, deserialization, can be vulnerable to attacks when the application trusts the data that is being deserialized. Serialized data is machine readable and not encrypted; serialized user-supplied data should not be trusted. Deserialization attacks can lead to remote code execution.
CVE-2020-0605 |
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Tactic: Execution
Technique: User Execution
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org
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