Snort Subscriber Rules Update 2024-02-13

[Research <research () sourcefire com>]

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Talos Snort Subscriber Rules Update

Synopsis:
Talos is aware of vulnerabilities affecting products from Microsoft
Corporation.

Details:
Microsoft Vulnerability CVE-2024-21338:
A coding deficiency exists in Microsoft Windows Kernel that may lead to
an escalation of privilege.

Rules to detect attacks targeting these vulnerabilities are included in
this release and are identified with:
Snort 2: GID 1, SIDs 63000 through 63001,
Snort 3: GID 1, SID 300825.

Microsoft Vulnerability CVE-2024-21345:
A coding deficiency exists in Microsoft Windows Kernel that may lead to
an escalation of privilege.

Rules to detect attacks targeting these vulnerabilities are included in
this release and are identified with:
Snort 2: GID 1, SIDs 63004 through 63005,
Snort 3: GID 1, SID 300826.

Microsoft Vulnerability CVE-2024-21346:
A coding deficiency exists in Microsoft Win32k that may lead to an
escalation of privilege.

Rules to detect attacks targeting these vulnerabilities are included in
this release and are identified with:
Snort 2: GID 1, SIDs 62992 through 62993,
Snort 3: GID 1, SID 300822.

Microsoft Vulnerability CVE-2024-21371:
A coding deficiency exists in Microsoft Windows Kernel that may lead to
an escalation of privilege.

Rules to detect attacks targeting these vulnerabilities are included in
this release and are identified with:
Snort 2: GID 1, SIDs 62998 through 62999,
Snort 3: GID 1, SID 300824.

Microsoft Vulnerability CVE-2024-21379:
A coding deficiency exists in Microsoft Word that may lead to remote
code execution.

Rules to detect attacks targeting these vulnerabilities are included in
this release and are identified with:
Snort 2: GID 1, SIDs 62994 through 62995,
Snort 3: GID 1, SID 300823.

Talos also has added and modified multiple rules in the browser-chrome,
browser-ie, file-office, file-other, malware-cnc, malware-other,
os-windows, policy-other and server-webapp rule sets to provide
coverage for emerging threats from these technologies.


For a complete list of new and modified rules please see:

https://www.snort.org/advisories
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