SHELLCODE: Base64 X86 NOOP Detection Over TCP-STC (2)
This signature detects payloads being transferred over network that have been using base64 x86 NOOP. This may be an indication of someone trying to evade anti-virus/IPS solutions and possibly drop malicious code.
Short Name
SHELLCODE:X86:BASE64-NOOP-STC-2
Severity
Critical
Recommended
True
Recommended Action
None
Category
SHELLCODE
Keywords
(2) Base64 Detection NOOP Over TCP-STC X86
Release Date
12/06/2016
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3324
Port
TCP/0-79,81-442,444-3127,3129-7999,8001-8079,8081-65535
False Positive
Unknown