nscm.sys
Novell XTier Session Manager file version info
Driver on Windows LOLDrivers vulnerable driver 1 Sigma rule names it
A known vulnerable driver
https://www.loldrivers.io/drivers/90afa27c-0f67-46a6-b4a9-809f55157c71/
26 known samples
Show the 26 samples’ SHA-256 hashes
3.1.12.0 · its entry
1675eedd4c7f2ec47002d623bb4ec689ca9683020e0fdb0729a9047c8fb953dd3.1.12.0 · its entry
5351c81b4ec5a0d79c39d24bac7600d10eac30c13546fde43d23636b3f421e7c3.1.12.0 · its entry
c6feb3f4932387df7598e29d4f5bdacec0b9ce98db3f51d96fc4ffdcc6eb10e13.1.12.0 · its entry
e7b79fe1377b3da749590c080d4d96e59e622b1013b2183b98c81baa8bf2fffe3.1.12.0 · its entry
f77fe6b1e0e913ac109335a8fa2ac4961d35cbbd50729936059aba8700690a9e3.1.11.0 · its entry
202d9703a5b8d06c5f92d2c5218a93431aa55af389007826a9bfaaf9008122133.1.11.0 · its entry
2e665962c827ce0adbd29fe6bcf09bbb1d7a7022075d162ff9b65d0af9794ac03.1.11.0 · its entry
49ef680510e3dac6979a20629d10f06822c78f45b9a62ec209b71827a526be943.1.11.0 · its entry
5a661e26cfe5d8dedf8c9644129039cfa40aebb448895187b96a8b7441d52aaa3.1.11.0 · its entry
653f6a65e0e608cae217bea2f90f05d8125cf23f83ba01a60de0f5659cfa5d4d3.1.11.0 · its entry
76660e91f1ff3cb89630df5af4fe09de6098d09baa66b1a130c89c3c5edd5b223.1.11.0 · its entry
a855b6ec385b3369c547a3c54e88a013dd028865aba0f3f08be84cdcbaa9a0f63.1.11.0 · its entry
b0b6a410c22cc36f478ff874d4a23d2e4b4e37c6e55f2a095fc4c3ef32bcb7633.1.11.0 · its entry
fb81b5f8bf69637dbdf050181499088a67d24577587bc520de94b5ee8996240f3.1.10.0 · its entry
0cf91e8f64a7c98dbeab21597bd76723aee892ed8fa4ee44b09f9e75089308e23.1.10.0 · its entry
f62911334068c9edd44b9c3e8dee8155a0097aa331dd4566a61afa3549f35f653.1.6.0 · its entry
003e61358878c7e49e18420ee0b4a37b51880be40929a76e529c7b3fb18e81b43.1.6.0 · its entry
14938f68957ede6e2b742a550042119a8fbc9f14427fb89fa53fff12d243561c3.1.6.0 · its entry
28999af32b55ddb7dcfc26376a244aa2fe297233ce7abe4919a1aef2f7e2cee73.1.6.0 · its entry
41eeeb0472c7e9c3a7146a2133341cd74dd3f8b5064c9dee2c70e5daa060954f3.1.6.0 · its entry
53810ca98e07a567bb082628d95d796f14c218762cbbaa79704740284dccda4b3.1.6.0 · its entry
8e88cb80328c3dbaa2752591692e74a2fae7e146d7d8aabc9b9ac9a6fe561e6c3.1.6.0 · its entry
a495ffa623a5220179b0dd519935e255dd6910b7b7bc3d68906528496561ff533.1.6.0 · its entry
ce23c2dae4cca4771ea50ec737093dfafac06c64db0f924a1ccbbf687e33f5a23.1.6.0 · its entry
e4cf438838dc10b188b3d4a318fd9ba2479abb078458d7f97591c723e2d637ce2.0.0.0 · its entry
ca34f945117ec853a713183fa4e8cf85ea0c2c49ca26e73d869fee021f7b491dFrom LOLDrivers (Apache 2.0). A driver is known by its hash: a sample under another name is the same driver. In Ceplin, "<sha256>".whatis() says which sample a hash is.
Is it the real nscm.sys?
From the file’s version info, as recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look.
What detects it
Sigma names nscm.sys in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.