892834734712fe5bc7a6614be6972de1be2d74ad424ef47b2c701046e4912426
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struppigel
|
medium
|
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Write a code-based signature with Yara for this sample.
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1
|
|
0
|
30 Dec 2025
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3d1a4b9e37868f54e7e7eb98aae0203e2c50b2977170e0006cd3cbcb071c6b94
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struppigel
|
medium
|
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Build a binary refinery pipeline or CyberChef recipe that extracts the download URL from the loader.
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1
|
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0
|
29 Dec 2025
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096607aa89ea6f17e5a815a67b94bc245ecbf18a87705e1dec2f1d85f8350e32
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struppigel
|
advanced
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|
Unpack the virus body of Virut and find the file infection code, figure out:
* Which file extensions does it target for infection and what other conditions must be true, e.g., values in the PE headers?
* What is the infect marker?
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3
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0
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28 Dec 2025
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eee8a68511bd00ff98425cf9e9bd12873a5e742548fe7e2b72add7ff8dbabb24
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struppigel
|
advanced
|
|
Unpack the payload and obtain the C2, bonus points for deobfuscating the AutoIt script
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1
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0
|
26 Dec 2025
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20946142795ea4b9fafad9a279e5da0e2f491f567380d7f37570d451f3aa6b8f
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struppigel
|
medium
|
|
This sample has multiple layers. Unpack the final one. Determine the malware family of the final payload.
|
1
|
|
0
|
26 Dec 2025
|
5544e6c66cbf6503cddef2797acbff4fb81ededaef2334a596e6484cfaa0b8e8
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struppigel
|
medium
|
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Unpack the payload. This can be done either with a debugger or using only static unpacking with binary refinery. Note: The payload is obfuscated with VMProtect, deobfuscating it is not part of the task.
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1
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0
|
26 Dec 2025
|
0d7e7c6c1e02f7e5e5d0bf8f191e9d50636e71cabc2b4883d112b0f04da3d9f0
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struppigel
|
advanced
|
|
Write a script or program that deobfuscates the strings and patches the assembly with the deobfuscated strings
|
1
|
|
0
|
26 Dec 2025
|
482a8b7ead1e07ac728e1e2b9bcf90a26af9b98b15969a3786834d6e81d393cd
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struppigel
|
easy
|
|
What's the password for the screenlocker? Extract the code.
|
1
|
|
1
|
26 Dec 2025
|
aad0a60cb86e3a56bcd356c6559b92c4dc4a1a960f409fb499cf76c9b5409fdb
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struppigel
|
easy
|
|
Markup the sample in Ghidra/IDA/Binary Ninja
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—
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0
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26 Dec 2025
|
3c086e76942fb9fd3d1e4384e9c1228c227c00c78dc29fca512ed95ee919ee5e
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struppigel
|
medium
|
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This application consists of almost 3000 files. Find proof that the sample is malicious by finding the malicious code. A weird filename with homoglyphs is not enough, nor is behavioral analysis in a sandbox.
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1
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0
|
26 Dec 2025
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